# Questions Asked onFebruary 4, 2014

1. ## Physics - General Physics

An airplane with a speed of 74.5 m/s is climbing upward at an angle of 64.8 degrees with respect to the horizontal. When the plane's altitude is 687 m, the pilot releases the package. (a) Calculate the distance along the ground measured from a point

2. ## Accounting

What do the “transfer” items in the notes to the financial statements relate to? (in the capital assets section; Plant, property & equipment and Intangible assets)

3. ## English literature

Thoreau writes, "When our lives cease to be inward and private, conversation degenerates" to become

4. ## Physics - General Physics

An airplane with a speed of 74.5 m/s is climbing upward at an angle of 64.8 degrees with respect to the horizontal. When the plane's altitude is 687 m, the pilot releases the package. (a) Calculate the distance along the ground measured from a point

5. ## Chemistry

Sodium sulfate is slowly added to a solution containing 0.0500 M Ca2 (aq) and 0.0370 M Ag (aq). What will be the concentration of Ca2 (aq) when Ag2SO4(s) begins to precipitate?

6. ## English

Choose the word modified by the adjective clause in the sentence below. The dog, which was brown and white, walked all the way back to Staci's house. A.) Dog B.) House C.) Staci D.) Walked I think it is A. Thank You.

7. ## Research Report

I'm doing a research report on the Stonehenge. Would a good thesis be that building Stonehenge took a lot of hard work, and that its construction took a lot of planning? This is not my actual thesis statement, but would this be a good idea to prove?

8. ## Quick socials

who represents the kamloops area in parliament? who represents the kamloops area in the legislature? Identify one of the kamloops council members

9. ## English

Question's about shakespeare? 1. What kind of music speaks to him the most? 2. For him, what role should the government have in a person's life? 3. For him, is the glass half empty or half full and why? I cannot find the answers for these questions online.

10. ## Physics

Meteorologists track a storm using radar. The radar shows a storm centered 30km west of town. Ninety minutes later, it's 30km north of town. Let the +x-axis point east and the +y-axis north. Assuming the storm moved with constant velocity, find that

11. ## Physics

A running track consists of two straight 88.5m segments and two semicircles of radius 39.0m The distance a runner travels in one complete lap I calculated to be 422 m. How do you find the displacement in x.y of a runner who covers half a lap?

please check my math!! THANKS SO MUCH 1. Identify the decimal And simplified fractional form of 80%. A. 0.8 and 3/5 B. 0.8 and 4/5(I PICK THIS) C. 0.08 and 3/5 D. 0.08 and 4/5 2.A baseball team wins 45% of its games. What fraction of games does it win? A.

13. ## Biology: Genetics

In guinea pig, short hair (L) is dominant to long hair (l) and the heterozygous condition for yellow coat (Y) and white coat (y) gives cream coat. A short haired guinea pig is bred to long haired white guinea pig and one of the offspring is a long haired

14. ## math

least to greatest 3/4 2/3 7/8

15. ## physics

the work function of zinc is 3.6ev what is maximum enegy photoelectron by ultraviolet wave of light 3000angstrome

16. ## calculus

Use the principles of translating and reflecting to graph the function f(x)=(x-5)^3 +2

17. ## Biology:Genetics

In guinea pig, short hair (L) is dominant to long hair (l) and the heterozygous condition for yellow coat (Y) and white coat (y) gives cream coat. A short haired guinea pig is bred to long haired white guinea pig and one of the offspring is a long haired

18. ## Math-Algebra

DMF Feeds has two different types of cattle feed containing crude protein in the amount of 45% and 20% respectively. How many of each type must a feed lot manager mix together to obtain 10000lbs of a mixture that is 25% protein?

19. ## Math-Algebra

Meg has a solution that is 40% alcohol and another solution that is 60% alcohol. If Meg wants 12 gal of a solution that is 45% alcohol, how much of the two solutions must be mixed?

20. ## mathematic

how to do eucliodean geometry

21. ## solid mechanics

the maximum stress intensity will be

22. ## maths

how to write 04 feb 2014 in 5 letters without using numbers.

23. ## math

i am a 4 digit number my first number is the double of the last number and my middle two numbers are the same what number am i

24. ## Physics

plz any one i am abit confused can you answer these questions thx 05. The space surrounding a charge within which the influence of its charge extends is known as. (a) Electric field (b) Magnetic field (c) Line of force (d) Electric intensity 06. A region

25. ## science

plz any one i am abit confused can you answer these questions thx 05. The space surrounding a charge within which the influence of its charge extends is known as. (a) Electric field (b) Magnetic field (c) Line of force (d) Electric intensity 06. A region

26. ## cups of milk

A recipe calls for 2 3/4 cups of milk. How many cups of milk, written as a fraction greater than one, are used in the recipe

27. ## Math

Hi, could you please provide a step by step solution explaining how to do this: [(a^2 - b^2 + a + b)/(a - a^3)] x [(1-a^2)/(a - b + 1)] The answer should be (a + b)/ a Thanks

28. ## Accounting

Suppose you want to have $5,000 saved at the end of five years. The bank will pay 2% interest on your money. How much would you have to deposit today to have the$5,000 you want at the end of five years?

29. ## Physics

In a physics experiment, 250g of water is placed in a 50g calorimeter cup made of aluminum when both are at 15C. Steam at 100C is completely absorbed by passing it through the water, raising the temperature of water and cup to 45C. Find the mass of steam

30. ## Physics

After a snow storm, your driveway of area 50m^2 is covered with a layer of ice 10cm high at a temperature of 0C. You decide to use sunlight falling at 200 W/m^2 to melt the ice? Is it good idea? (Density of ice is 920kg/m^3 and 1 cal = 4.184 J.

31. ## Chemistry

How many grams of sucrose (molecular weight = 342.3 g/mol) would you dissolve in 350 ml to get a 7% solution?

32. ## Math

1. The base of an isosceles triangle is 14 cm in length and the angle opposite the base measures 86 degrees. Find the length of each of the congruent sides. 2. A ski slope has a 42 degrees incline and 170 yard long. Find the vertical drop.

33. ## science

In which of the following units is acceleration expressed? A.Newtons B.foot-pounds c.Kilograms

34. ## Accounting. Present Value.

Suppose you want to have $5,000 saved at the end of five years. The bank will pay you 2% interest on your money. How much would you have to deposit today to have the$5,000 you want at the end of five years.

35. ## scienceWhich of the following is a term used to de

Which of the following is a term used to describe a body's resistance to a change in motion? A. inertia B. acceleration c. gravity D. Mass

36. ## Writing

Which sentence is punctuated correctly? (To see that it's italicized, I quoted it in *) A. The article called "A Persistent Rebel" in *American History* magazine told about Elizabeth Blackwell. B. The article called *A Persistent Rebel* in *American

37. ## Physics

A metre rule is found to balance at 51cm mark.When a body of 70g is suspended at the 10cm mark,the balance point is found to be at 25cm mark.Find the mass of the ruler and the distance of the balance point from the zero end,if the body were move to the

38. ## World History

1. Yuan tried to rule China without... A. an army B. understanding the influence of new Western ideas. C. dictating his views D. the use of terror In my book it states C and D...but it also says that Yuan was in charge of the army and did not understand

39. ## Biology

After a strain of bacterial cells is exposed to a chemical mutagen, only 30% of the cells produce new colonies that continue to grow. Which of the following can be concluded? A. Some cells underwent advantageous mutations. B. Some cells underwent neutral

40. ## Biology

A portion of DNA has the following sequence: ATACCG. What number of codons would this segment code for? A. 6 B. 3 C. 2*** D. 1 I think it is C...?

41. ## chemistry

6Na+Fe2O3=3Na2O+2Fe if Interact 100g of Na with 100g of Fe2O3,Calculate: - The resulting mass of iron?

42. ## chemistry

a 2.50-mole quatity of NOCL was initially in a 1.50-L reaction chamber at 400 degrees celcius. after equilibrium was established, it was found that 28.0 percent of the NOCL had dissociated. 2NOCL(g) 2NO(g)+ Cl2(g)

43. ## english

What sentence uses italics, question marks, and punctuation correctly? ( I'm stuck on this problem) A, "How many r's are there in the word February"? B,"How many r's are there in the word February?" asked ty. c, "How many r's are in the word February,"

44. ## Art

Hello. I'm suppose to examine the "winged genie fertilizing a date tree" and explain the elements of art found in the work, one particular element that helped with the overall success of the artwork, and explain what type of movement is shown in the work.

45. ## science

how can diseases like AIDS be prevented?

46. ## STATISTICS

1. 28 young adults are asked how much time they spend, in minutes, per week on Pokémon. Their responses are shown below. 96 17 97 35 24 57 27 34 87 5 21 87 6 52 2 66 18 29 84 39 19 37 63 58 39 10 51 75 QUESTION IS THIS SAMPLE OR POPULATION?

47. ## teas test

a population decreases from 404 million to 288 million. what is the percent decrease of the population?

48. ## science

in the purification of copper,which electrode should be connected to the positive terminal of the battery and why?

49. ## Chemistry

What is the normal boiling point in ∘ C ^\circ {\rm C} of a solution prepared by dissolving 1.50 g {\rm g} of aspirin (acetylsalicylic acid, C 9 H 8 O 4 {\rm C}_{9}{\rm H}_{8}{\rm O}_{4}) in 75.00 g {\rm g} of chloroform (CHCl 3 ) ({\rm CHCl}_{3})? The

50. ## Maths literacy,life science,geography and economics

What job will i work?

51. ## Chemistry

If 20mL of a 0.100 M NaOH solution are required to titrate 0.25 grams of an unknown acid, what is the equivalent mass of the acid? If the acid actually contains 3 moles of H+ per mole of acid what is the molecular mass of the acid?

52. ## Language Arts~!

When finding out a person’s descent, it would be a good idea to identify his or her (1 point) friends. favorite food. parents. personality.***

53. ## English

Because the subject of a composition is like a crystal with many facets, you should A. offer a positive idea for every negative one. B. pick one point of view and stay with it. C. offer your reader ideas from several sides. D. be very critical of your

54. ## english(2 Qs)

please answer these 2 questions. please 7..which of these sentences shows correct comma usage? A.Yes i enjoy writing poetry in my spare time. B.After,a while,i suppose,the boy became less scared of the new girl. C.By the end of the first stanza,i had

55. ## Chemistry II

what is the complete & balanced equation for the following reactions & include the catalysts if any: 1. Combustion of Methane: 2. Halogenation of Cyclopentene with Br2 4. Hydrogenation of 3-methyl-1-butyne 5. Combustion of 2-methylpropene 6.

56. ## accounting

Classify the following items as (a) deferred expense (prepaid expense), (b) deferred revenue (unearned revenue), (c) accrued expense (accrued liability), or (d) accrued revenue (accrued asset). 116117 • 2. A three-year premium paid on a fire insurance

57. ## Anatomy and Physiology

A medical procedure performed to keep the ends of a broken bone together is called A. remodeling. B. casting. C. reduction. D. traction.

please check answers 7.which of these sentences shows correct comma usage? A.Yes i enjoy writing poetry in my spare time.(I PICK THIS) B.After,a while,i suppose,the boy became less scared of the new girl. C.By the end of the first stanza,i had guessed that

59. ## algebra

1. Which number makes this equation true? v 2 + 10v + 16 = (v + 8)(v + ?) (1 point) 2 4 6 8 2. What is the factored form of x 2 + 6x + 8? (1 point) (x + 5)(x + 3) (x + 4)(x + 2) (x + 7)(x + 1) (x + 3)(x + 3) 3. What is the factored form of x 2 – 7x + 12?

60. ## algebra

suppose that the population of deer in a state is 19,900 and is growing 3% each year. predict the population after 10 years.

which of these sentences shows correct comma usage? A.Yes i enjoy writing poetry in my spare time.(I PICK THIS) B.After,a while,i suppose,the boy became less scared of the new girl. C.By the end of the first stanza,i had guessed that the new kid was a

63. ## chemistry

if you are asked to "obtain about 3 g of sodium chloride weighed to the nearest 0.001 g should you weigh out exactly 3.000 g? explain your answer.

64. ## Precalculus II

1. The number of hours of daylight D(t) in Halifax at day t can be approximated by the function D(t) = a sin(bt + c) + d, where t = 1 on January 1, and t = 365 on December 31. The period is one year, and the cycle starts on the vernal equinox, March 21,

65. ## chemistry

3 part question List the three techniques that can minimize error in measuring temperatures. What should you do if you spill anything on or near the balance? Name a piece of laboratory equipment is specifically designed to measure volumes.

66. ## chemistry

3 part question If an object is completely submerged in a liquid, what volume of liquid does the object displace? List the special waste disposal instruments that must be followed. List the special safety precautions that must be taken.

67. ## science

According to Newton's Second Law of Motion, when an object is acted on by an unbalanced force, how will that object respond?

68. ## math

7ab-2b^2+4a^2

After a strain of bacterial cells is exposed to a chemical mutagen, only 30% of the cells produce new colonies that continue to grow. Which of the following can be concluded? A. Some cells underwent advantageous mutations. B. Some cells underwent neutral

A portion of DNA has the following sequence: ATACCG. What number of codons would this segment code for? A. 6 B. 3 C. 2*** D. 1 I think it is C...?

71. ## college chemistry

Ifwater cools to body temp.37 degrees C., how many kilocalories of heat could be transferred to sore muscles?

72. ## cook

I want to know wat all the weighing equipment is

73. ## English

Hello. Will you please help me with the use of articles in English? 1)The situation is as follows: I heard something bad about a person I know, for example my friend Anna, and I want to say it's not true, which is correct then "it's an unfair accusation of

74. ## math

a piece of silver density 10.5g displaces 4.5ml {cubed} of water in a test tube what is its mass?

75. ## Math

1.--Cody and Carolyn have a 20/7 balloon mortgage for $216,000 with a rate of 4.55%. How much will they pay in interest over the life of the loan? 2.--Sarah finances$549,000 with a 30/6 balloon mortgage at 5.35%. How much will she pay for principal and

76. ## Physics

The molecular mass of oxygen molecules is 32, and the molecular mass of nitrogen molecules is 28. If these two gases are at the same temperature, the ratio of nitrogen's r m s speed to that of oxygen is: (8)1/2:(7)1/2 8:7 (7)1/2:(8)1/2 7:8

77. ## physics

An ideal gas has a pressure of 2.5 atm, a volume of 1.0 L at a temperature of 30.°C. How many molecules are there in the gas? 6.1 × 1023 6.0 × 1022 2.4 × 1022 2.3 × 1023

78. ## physics

A 100-cm3 container has 4 g of ideal gas in it at 250 kPa. If the volume is changed to 50 cm3 and the temperature remains constant, what is its new density? Answer 400 kg/m3 250 kg/m3 80 kg/m3 50 kg/m3

79. ## Physics

The process shown on the PV diagram is A P – V graph with a vertical line with an arrow pointing up.The process shown on the PV diagram is: adiabatic. isothermal. isochoric isobaric.

80. ## Science

Which of the following characteristics of the Arctic rabbit is specifically an adaptation to living in the tundra? A) Small Size B) Keen eyesight C) Strong Legs D) White Fur** I think it's D, but I'm just not sure...

81. ## business,maths lit tourism economics

can i be a lawyer?

82. ## Anatomy and Physiology

In which step of cell division does the nucleus disappear and spindle fibers are formed? A. Metaphase B. Prophase C. Anaphase D. Telophase

83. ## Biochemistry

A buffer solution is prepared by mixing 2.50 mL of 2.00M sodium acetate with 3.30mL of 0.500M HCl and diluting the buffer with water to a final volume of 500.0mL. pK acetic acid: 4.76 what is ph of buffer? what is final concentration of buffer?

84. ## Spanish

I need to do a 300 word composition on my interpersonal relationships. I wanted to know id someone could proofread it for me after I finish

85. ## art

Renaissance thinkers promoted _______, individualism, and secularism.

86. ## science

please help me im stuck on this last one !! .A car driver accelerates to a speed of 35 mph and then takes her foot of the gas pedal.Even though she does not press the brake pedal at any time,she eventually rolls to a stop.which of the following most likely

87. ## Science help.

Which of the following characteristics of the Arctic rabbit is specifically an adaptation to living in the tundra? small size keen eyesight strong legs white fur*** Which set of words below could be used to describe the dispersal of seeds to a new region?

88. ## REVISION

what good websites are there that help with science and maths revision? I have tried Google but there is nothing that has interested me. Also the websites, which are a good source of revision i.e. Bite size etc. Are already what I am using. I have asked

89. ## maths

Given that the first term of an A.P is 7 and its 10th term is twice its second calculate a)19th term b) sum of 28 term c) different between the 9th and 6th term

90. ## physics

In what circumstances can the angular velocity of system of particles change without any change in the system\'s angular momentum? This cannot happen under any circumstances. This can happen if an external net torque is applied properly to the system. This

91. ## college chemistry

to calulate the calories(kcal) in 1/2 cup of soft ice cream that contains 16g carbs, 17g fat, 5g protein. do I multiply 16g x 4 for carbs 17g x 9 for fat 5g x 4 for proteins? then do I do conversion factors for grams to 1/2cup? am I on the right road?

92. ## math

name a line segment

this type of ad implies the product will make you beautiful. slogan testimonial icon rich-and-famous i think its testimonial but i want to be sure. this happens as symbolic, traditional dress in africa is replaced with western styles of clothing. the dress

94. ## math

laura favorite clothes are five sweater, four skirts, three jackets, two pairs of shoes and one belt. how many ways can laura wear her favorite clothes without repeating the exact outfit

this type of ad implies the product will make you beautiful. slogan testimonial icon rich-and-famous i think its testimonial but i want to be sure. this happens as symbolic, traditional dress in africa is replaced with western styles of clothing. the dress

96. ## Science

Which word or phrase below best describes the function of the urinary bladder? a. filter b. storage tank c. blender d. passageway B A patients comes in to see a physician. This patient lacks the ability to keep warm and needs to wear heavy clothing even

97. ## Math

Trail mix is sold in 1 pound bags Mary will buy some trail Mix and repackage it so that each of the 15 members of her hiking club gets one 2/5 pound bag how many 1 pound bags of trail mix should mary buy to have enough trail Mix without leftovers

A sound of 7 kHz frequency is well within the normal hearing range of most people. True. False.

99. ## math

guess my rule with two rules. Having such as hard time understanding this and would like to be able to explain to my 2nd grader! home wor sheet has 2 circles joined togeather, rule A has 2 girls in it with glasses, in the middle there is another girl with

100. ## Mrs.Sue?

The artist Grant Wood created this well-known painting. On the Farm Couple in Front of a House American Gothic American Countryside This term refers to a humorous or satirical imitation of a serious work of art. paradigm parody paraffin parallel

101. ## heat energy

What happens to coffee as the heat enery escapes from a polystyrene cup

102. ## math

using your van de waals shapes sort at least 5 shapes in a circle. Explain the rule for how the shapes are sorted. Are you up for a challenge? sort at least using a venn diagram. Explain the rules for how the shapes are sorted

103. ## Science.

Which abiotic factor is essential to all aquatic ecosystems except ocean hydrothermal vents, and why? Phytoplankton, because it provides a source of food salt, because it provides a source of minerals deep water, because it provides the necessary

104. ## science (check new answer)

please check my answser .A car driver accelerates to a speed of 35 mph and then takes her foot of the gas pedal.Even though she does not press the brake pedal at any time,she eventually rolls to a stop.which of the following most likely causes the car to

105. ## Physics

A ball is dropped from a height of 20 m. You can use the relation between the work done by gravity and the change in the ball's kinetic energy to determine the speed of the ball at any point in its free fall. The speed of the ball when it hits the ground =

118. ## Anatomy & Physiology

Which joint is capable of circumduction? A. Shoulder B. Jaw C. Knee D. Elbow

119. ## math

A student performs the following addition of fractions, 2/3 + 3/5 = 5/8. There is an error with the process the student used. What is the error and how can it be corrected? What would be the correct answer if the fractions were multiplied instead of added?

120. ## math

W÷5/6=11/12 how to do the problem

121. ## math

Keenan is training for a bicycle race. His goal is to ride 150 miles each week. By Tuesday of one week, he has ridden 35% of His goal. How many miles did he have left to ride to meet his goal that week.

122. ## SS

One way that political leaders can avoid paying the full costs of a policy is by raising taxes. borrowing money. cutting other spending. retiring from office. A

123. ## physics

An object (with charge -4.2 µC and mass 0.024 kg) hovers at rest above the ground, its weight being held up by a uniform electric field.(a) Find the size and direction of this electric field.(b) If the electric charge on the object is quadrupled while its

124. ## Physics

A bat in a cave emits a sound pulse and receives an echo 0.15 second later. Assuming that the speed of sound is 345 m/s, how far did the sound (a longitudinal wave!) travel during this time?

125. ## Science

2. According to the continental drift theory, which of the following land regions should show the greatest similarities in fossil types? (1 point) A) east coast of South America and west coast of Africa B) east coast of South and west coast of South

126. ## math 2

Ms. Angelino made 2 pansof lasagna and cut each pan into twelfths. Her family ate 1 and 1/12 pans of lasagna for dinner. How many pans of lasagna were left? Please anser asap. thanks

127. ## math

Ali and her friend handed out nutrition pamphlets at the health fair. they were given 560 pamphlets and they handed out 35% of them. How many pamphlets were left at the end of the health fair?

128. ## math

What make a cube a cube?

129. ## math

W÷5/6=11/12 how to do the problem

130. ## Math

A hole shaped like a rectangular prism is 3 feet wide, 5 feet long, and 3 feet deep. If the hole is made 2 feet deeper, how much will the volume of the hole increase? V=45+2= 47

131. ## math

What is the maximum number of cubes with a side length of 2 inches that can fit in a box that has a length of 6, a width of 2, and a height of 4? 6 cubes?

132. ## math

KEENAN IS TRAINING FOR A BICYCLE RACE. HIS GOAL IS TO RIDE 150 MILES EACH WEEK. BY TUESDAY OF ONE WEEK HE HAD RIDDEN 35% OF HIS GOAL. HOW MANY MILES DID HE HAVE LEFT TO RIDE TO MEET HIS GOAL THAT WEEK?

133. ## Algebra

The surface area of a cylinder is approximately? a-- 151 m sq b-- 273 m sq c-- 179 m sq d-- 302 m sq my answer is Surface Area of a Cylinder = 2 pi r 2 + 2 pi r h c

134. ## Science

Which contains only biotic factors? A. grass water and rocks B. soil ants and fish C. flower tree and firewood D. dog fish and wind Answer : B Moving of sediments or materials from its original location? erosion What is the depositing of eroded sediments

135. ## statistics

A study was conducted to count the different age groups of kids that usually play in a park on a Sunday morning. The following data was collected Years Old Number of Kids 1 3 2 22 3 8 4 16 5 9 a) List the simple events of the experiment. b) What is the

136. ## statistics

A study was conducted to count the different age groups of kids that usually play in a park on a Sunday morning. The following data was collected Years Old Number of Kids 1 3 2 22 3 8 4 16 5 9 a) List the simple events of the experiment. b) What is the

137. ## physics

An object (with charge -4.2 µC and mass 0.024 kg) hovers at rest above the ground, its weight being held up by a uniform electric field.(a) Find the size and direction of this electric field.(b) If the electric charge on the object is quadrupled while its

138. ## Chemistry

A solution is 3.00M NaCl. The solution density is 1.05 g/mL. Calculate the molality?

139. ## physics

a 1710 kg passes over a hill that follows the arc of a circle of radius 41.5 meters. what is the maximum speed the car can have passing this point so the car does not leave the road

140. ## math

complete the what's my rule? table, and state the rule input output 28 7 16 1 5 0

141. ## Anatomy and Physiology

. A 32-year-old man has trouble tying his shoelaces, writing, and walking in a straight line. A computed tomographic (special x-ray) scan of the brain would likely reveal that the man has an abnormality in the A. cerebellum. B. brain stem. C. diencephalon.

142. ## math

Klonda and Jeremy sold 25 bodes of popcorn for a fundraiser. Klonda sold 60% of the boxes. How many boxes did they each sell?

143. ## Anatomy & Physiology

A patient is admitted with burns over the legs, arms, and torso. What will be used to determine the percentage of body surface area burned? A. Number of eccrine glands affected B. Amount of hair singed from the body C. Rule of nines D. Type of burn

144. ## math

7/8 p = 14 how to do problem

145. ## Math Multiplying Fractions

A swimming pool in the shape of a rectangular prism is 50 meters long 25 meters wide and 3 meters deep. A liter is the same as 0.001 cubic meters. How many liters of water are needed to completely fill the pool? I know how to find the volume which is 3750

146. ## Math

Danny needs to buy sand for this box. He wants to nearly fill the box leaving only 6 inches empty at the top. How much sand does Danny need if the length is 12 feet the width is 2 feet and the height is 3 feet. I first found the volume which was 72 feet

147. ## physic 1

On a spacecraft, two engines are turned on for 910 s at a moment when the velocity of the craft has x and y components of v0x = 5710 m/s and v0y = 7490 m/s. While the engines are firing, the craft undergoes a displacement that has components of x = 5.78 x

148. ## MATH

Select the measure of the complement or supplement of the angle. If there is no complement or supplement, select no complement or supplement. 55.1° 124.9° 119.9° 49.9° no complement or supplement

149. ## ap chemistry

A buffer solution is made by dissolving 0.45 moles of a weak acid (HA) and 0.23 moles of KOH into 680 mL of solution. What is the pH of this buffer? Ka = 2.4×10−6 for HA.

150. ## Math

Commission Rate = .0425 Original Price= 268000 (use a = p*w) Commission = ----

151. ## Science

Which contains only abiotic factors? A.firewood wind and fish B. water wind and soil C. rocks soil and grass D. water grass and firewood Answer : b Which is not a type of grassland Savanna Plains prairie sahara Answer : sahara Which is not a characteristic

152. ## proportional relationship

An airplane is flying at an altitude of 4000 feet and descends at a rate of 200 feet per min. Determine whether the altitude is proportional to the # of min.

161. ## ap chemistr

The ionization constant of HA is 1×10−6. What must be the ratio of [A−] to [HA] for the preparation of a buffer solution with a pH of 5.74?

162. ## math

THESE TINS ARE MATHEMATICALLY SIMILAR. ONE HOLDS 400ml AND THE OTHER HOLDS 800ml. THE HEIGHT OF THE SMALLER TIN IS 8cm. CALCULATE THE HEIGHT OF THE LARGER TIN. GIVE YOUR ANSWER TO TH NEAREST MILLIMETRE.

163. ## Science

Asexual reproduction results in A.more diversity in their offspring B.less diversity in their offspring C. variation and diversity in the offspring D. a species adapting to its changing environment Answer : B Sexual reproduction results in A: offspring

164. ## math

cleon would like to estimate the difference between$579 and$85.explain how cleon ccoulduse rounding to make an estimate

165. ## ap chemistry

What is the concentration of H+ ions in a buffer solution containing 0.305 M benzoic acid (with ionization constant 6.5 × 10−5)and 0.834 M sodium benzoate (a salt of benzoic acid)?

166. ## physics

Vector has a magnitude of 5.10 units and points due east. Vector points due north. (a) What is the magnitude of , if the vector + points 27.4 ° north of east? (b) Find the magnitude of + .

167. ## Science

Work or no work? Work=ForcexDistance 1. A person holding a box of potatoes. No work 2. A batter holds his bat at his side while waiting for his turn to play. No work 3. Your sister carries home her books from school. No work 4. You push a box from point A

168. ## ap chemistry

What is the concentration of hydrogen ions in a solution containing 0.785 M HOCN (cyanic acid) and 0.659 M (NaOCN) (sodium cyanate)? The ionization constant of cyanic acid is 3.5 × 10−4. Answer in units of M

169. ## ap chemistry

What mass of solid sodium formate (of MW 68.01)must be added to 125 mL of 0.48 mol/L formic acid (HCOOH) to make a buffer solution having a pH of 4.07? Ka = 0.00018 for HCOOH. Answer in units of g

170. ## chemistry

Two naturally occurring isotopes exist for the hypothetical element dippium. 25.0 percent of dippium atoms have a relative mass of 17.0 amu and 75.0 percent a relative mass of 21.3 amu. What is the atomic mass of dippium? Please show the work thanks

171. ## ap chemistry

The ionization constant of HF is 7.2 × 10−4. What is the molar concentration of H+ in a solution which is 0.353 molar in HF and 0.145 molar in KF?

172. ## Math

A company’s profit is described by the equation P(x) = – 5x^2 + 300x + 15,000 where x is the price in dollars that the company charges for its product. What should the company charge for the product to generate the maximum profit? a.) $20 b.)$30 c.)

173. ## ap chemistry

How many moles of sodium acetate (NaCH3COO) must be added to 1.000 liter of a 0.500M solution of acetic acid (CH3COOH) to produce a pH of 5.027? The ionization constant of acetic acid is 1.8 × 10−5. Answer in units of mol

174. ## physics

A beach ball, moving with a speed of +1.28 m/s rolls off a pier and hits the water a horizontal distance of 0.74 m from the end of the pier. How high (magnitude only) above the water is the pie?

175. ## ap chemistry

Calculate the ratio of [NH3]/[NH4+] that gives a solution of pH = 10.60.

176. ## ap chemistry

Calculate the pH at the equivalence point for the titration of a solution containing 150.0 mg of ethylamine (C2H5NH2) with 0.1000 M HCl solution. The volume of the solution at the equivalence point is 250.0 mL. Kb for ethylamine is 4.7 × 10−4.

177. ## Science

A list of materials of alloys of iron.

178. ## trig

Find all the solutions from [0, 2pi] cot^2x+csc=x

179. ## Algebra 2

How would you find the probability of drawing a face card and a 4 out of a standard deck of 52 cards? I got 4/13 but I don't think its right.

180. ## Chemistry

5. On the basis of a solubility curve for KNO3 what type of substance would you expect KNO3 to be? Choices: solid liquid gas It is impossible to tell. I don't want the answer. All I want to know is, can you tell whether something is a liquid/solid/gas just

181. ## Math

I have a triangle with sides measuring x^3 + 1, x^3 - 1, and x - 1. I'm asked to find its perimeter. Is the triangle's perimeter 2x^3 + x - 1?

182. ## ap chemistry

What is the pH at the point during a titration when 34 mL of 0.200 M HCl has been added to 29 mL of 0.0500 M NH3 solution? HCl is a strong acid, Kb=1.8×10−5 for NH3. Answer in units of pH

183. ## ap chemistry

What is the pH at the equivalence point in the titration of 10.0 mL of 0.56 M HZ with 0.200 M NaOH? Ka = 6.6 × 10−5 for HZ.

184. ## ap chemistry

What is the ratio of the molarities of PO3^4- and HPO4^2− ions in a buffer solution having a pH of 13.16? What mass of K3PO4 must be added to 1 L of 0.1 M K2HPO4(aq) to prepare a buffer solution with a pH of 13.16? Answer in units of g What mass of

193. ## Physics

A girl sitting on a merry-go-round moves counterclockwise through an arc length of 3.75 m. If the girl’s angular displacement is 2.12 rad, how far is she from the center of the merry-go-round? Answer in units of m

194. ## Physics

A girl sitting on a merry-go-round moves counterclockwise through an arc length of 3.75 m. If the girl’s angular displacement is 2.12 rad, how far is she from the center of the merry-go-round? Answer in units of m

195. ## physics

truck covers 40.0 m in 7.50 s while uniformly slowing down to a final velocity of 2.65 m/s. (a) Find the truck's original speed. (b) Find its acceleration. m/s2

196. ## Chemistry

I did a lab the other day where we separated a mixture of NaCl, SiO2, and CaCO3. The Mixture was made by my professor and we did not know the original amounts of each compound. After recovering all of the compounds we found that there was.. 36.4% NaCl

197. ## math

A carpenter sawed a piece of wood into 3 pieces. The ratio of the pieces is 1:3:6. The longest piece is 2.5 feet longer than the shortest piece. Find the length of the original piece

198. ## Math

Which of the following is equal to (n - 3)^2 if n = 11? A. (n + 6) (n - 6) B. (n + 5) (n - 7) C. (n + 4) (n - 8) D. (n + 3) (n - 9) E. (n + 2) (n - 10)

199. ## biology

The name of a binary compound ends with _____.

200. ## english/writing

does my thesis statement make sense? is it clear? any suggestions are welcomed In "The Love Song of J Alfred Prufrock," T.S. Eliot used Prufrock to symbolize modern man's fruitless struggle to find self-worth, love, and insecurities of owns appearance.

201. ## alegebra

1. What is the factored form of 4x 2 + 12x + 5? (1 point) (2x + 4)(2x + 3) (4x + 5)(x + 1) (2x + 1)(2x + 5) (4x + 1)(x + 5) 2. What is the factored form of 2x 2 + x – 3? (1 point) (2x + 3)(x – 1) (2x + 1)(x – 3) (2x – 3)(x + 1) (2x – 1)(x + 3) 3.

202. ## physics

Consider a swimmer who wants to swim directly across a river as shown in the figure below. If the speed of the current is 0.29 m/s and the swimmer's speed relative to the water is 0.64 m/s, how long will it take her to cross a river that is 14 m wide?

203. ## Math

How do I find a factor of x^3 - 3x^2 - 28x?

204. ## Precalculus

1. Gas Mileage Problem The EPA efficiency rating Ina particular model of new car says that the car is expected to get 22.7 miles per gallon (mpg) of gasoline. Assume that the standard deviation is 1.4 mpg and that the actual mileage are normally

205. ## Math

How do I find the x-intercepts of an equation like y = x^5 + 9x?

206. ## accounting

On December 31, 2013, a company issues bonds with a par value of $600,000. The bonds mature in 10 years, and pay 6% annual interest, payable each June 30 and December 31. The bonds sold at$592,000. The company uses the straight-line method of amortizing

207. ## accounting

On December 31, 2013, a company issues bonds with a par value of $600,000. The bonds mature in 10 years, and pay 6% annual interest, payable each June 30 and December 31. The bonds sold at$592,000. The company uses the straight-line method of amortizing

218. ## Calculus

A steady wind blows a kite due west. The kite's height above ground from horizontal position x = 0 to x = 60 ft is given by the following. y= 155-(1/40)(x-50)^2 Find the distance traveled by the kite.

219. ## English

Choose 1/ ashraf(willbe, is) 20 next week. Answer: will be 2/ i (will go, am going) to paris tomorrow as every thing is ready. Answer: will go 3/ he (is buying, is going to buy) this car next month as he planned. Answer: is going to buy 4/ i think he (

220. ## Geometry

Jenny is 5ft 2in tall to find the height of The light pole she measured her shadow And the poles shadow what is The height of the light pole

221. ## precalculus II

Solve: (x-2)5^x = 5^(x+2)

222. ## precalculus II

Solve: (x-2)5^x = 5^(x+2)

223. ## math

You are putting a brick walkway along two sides of a rectangular garden that measures 6 meters by 15 meters. The path will run the length of the garden, turn the corner, and run along the width. You only have enough brick to cover 46 square meters. How

224. ## CALCULUS 2

Use calculus to find the volume of the following solid S: The base of S is an elliptical region with boundary curve 9x^2+4y^2=36. Cross-sections perpendicular to the x-axis are isosceles right triangles with hypotenuse in the base.

True or False? Abilities are natural, inborn aptitudes to do specific things.

226. ## Science

Intrinsic control of heartbeat rate involves what mechanism(s)? a) The AV node initiates heartbeat although the SA node can generate a slower beat rate. b) The atrioventricular bundle initiates signals that travel to the Purkinje fibers. c) The SA node

227. ## math

The bottom of a ladder is placed 4 feet away from a house and it reaches a height of 16 feet on the side of the house. What is the slope of the ladder?

228. ## Physics

The earths mass is m=5.98*10^24 kg and physics students masss is 70 kg. Knowing that the gravitational force between the student and the earth is 392 N of force, what is the distance between the student and the Earths center?

229. ## physics

have homework due soon, need help thanks. Two point charges are placed on the x axis.(Figure 1) The first charge, q1 = 8.00nC , is placed a distance 16.0m from the origin along the positive x axis; the second charge, q2 = 6.00nC , is placed a distance

230. ## physics

Two point charges, -20μC and +40μC , are separated by a distance of 17.0cm . What is the magnitude of the electric field at a point halfway between the two charges? Express your answer to two significant figures and include the appropriate units

231. ## physics

A 23.6μC point charge lies at the origin. Find the electric field at the point (0.55m , 0). What is the magnitude of the electric field? Express your answers using two significant figures. Enter the x and y components of the field separated by a comma.

232. ## math

three numbers are in the ratio 6:3:1, and the sum of these numbers is 420. If the first number is reduced by 50%, the second number is increased by 42, and the sum of the numbers remains the same, find the resulting ratio of the numbers.

233. ## physics

Two point charges are placed on the x axis. (Figure 1) The first charge, q1 = 8.00nC , is placed a distance 16.0m from the origin along the positive x axis; the second charge, q2 = 6.00nC , is placed a distance 9.00m from the origin along the negative x

234. ## physics

An electric dipole lies on the x-axis, consisting of a -2.3nC charge at x = -11cm and a +2.3nC charge at x = 11cm . Part A Compute the electric field at the point (–16cm , 0). Find the magnitude of the electric field. Express your answer to two

235. ## physics

if a charged plane has a uniform surface charge density of −1.5×10−7C/m2 , what is the magnitude of the electric field just outside the plane’s surface? Express your answer to two significant figures and include the appropriate units.

236. ## physics

A large plane having uniform charge density has an electric field just outside the plane that points directly toward the plane with magnitude 1.25×104N/C . What is the surface charge density? Express your answer with the appropriate units.

237. ## physics

What must the charge (sign and magnitude) of a particle of mass 1.47g be for it to remain stationary when placed in a downward-directed electric field of magnitude 690N/C ? Use 9.81m/s2 for the magnitude of the acceleration due to gravity. PART B What is

238. ## physics

If the field strength is E = 9 V/m a distance of 1 m from the charge, what is the field strength E a distance of 3 m from the charge?

239. ## Chemistry

When 3.10 g of a nonelectrolyte solute is dissolved in water to make 755 mL of solution at 26 °C, the solution exerts an osmotic pressure of 821 torr. What is the molar concentration of the solution? How many moles of solute are in the solution? What is

240. ## math

A robotic basketball player tosses a ball upward from a height of 7 feet, at an initial speed of 111 feet per second. The height of the ball is modeled by the equation: h=−16t2+111t+7, where h is the height above the ground in feet and t is the time

241. ## physics

For which of the following motions of an object must the acceleration always be zero? I. Any motion in a straight line II. Any free fall motion III. Any motion in a circle it can be more than one :P

242. ## physics

The figure above shows an object of mass 0.5 kg that is suspended from a scale and submerged in a liquid. If the reading on the scale is 4 N, then the buoyant force that the fluid exerts on the object is most nearly: 1.3 N 1.0 N 0.75 N 0.33 N 0.25 N

243. ## physics

Two trains face each other on adjacent tracks. They are initially at rest, and their front ends are 34 m apart. The train on the left accelerates rightward at 1.18 m/s2. The train on the right accelerates leftward at 1.19 m/s2. (a) How far does the train

1. Career Fairs allow job-seekers to contact several prospective employers in a short time. (T/F) 2. It is illegal for businesses to screen applicants for skills and abilities in pre-employment tests. (T/F) 3. You would study business and economics trends

245. ## english

9. What personality trait does Odysseus reveal when he devises a plan to listen to the Sirens' song and yet escape destruction? (1 point) irritability loyalty curiosity generosity10. Read the following passage from the Odyssey: Tell me, where was it, now,

246. ## math

If x varies inversely withy 3, and x=6 when y=3, find x when y=2.

247. ## physics

The two blocks of masses M and 2M shown above initially travel at the same speed v but in opposite directions. They collide and stick together. What is the final velocity of the mass M after the collision? negative one sixth v. negative one third v. Zero

248. ## physics

The cart of mass 10 kg shown above moves without frictional loss on a level table. A 30 N force pulls on the cart horizontally to the right. At the same time, a 10 N force at an angle of 60° above the horizontal pulls on the cart to the left. What is the

249. ## Math

find the points on x^2+y^2=11 where the tangent line has slope 11/60

250. ## physics

A constant force of 900 N pushes a 100 kg mass up the inclined plane shown above at a uniform speed of 5 m/s. ( hight= 1m) The power developed by the 900 N force is most nearly: 400 W 800 W 900 W 1000 W 4500 W