# Questions Asked onOctober 24, 2009

1. ## Physics

a 75-kg petty theif wants to escape from a third story window. unfortunately a makeshift rope of sheets tied together can support a mass of only 58 kg. how might the theif use this rope? give a quantitative answer.

2. ## physics

In Figure (a), a block of mass m lies on a horizontal frictionless surface and is attached to one end of a horizontal spring (spring constant k) whose other end is fixed. The block is initially at rest at the position where the spring is unstretched (x =

3. ## 12th grade Physics

how much tension must a rope withstand if it is used to accelerate a 1200-kg car vertically upward at .80 m/s^2?

4. ## Physics

Suppose that in the same Atwood setup another string is attached to the bottom of m1 and a constant force f is applied, retarding the upward motion of m1. If m1 = 5.30 kg and m2 = 10.60 kg, what value of f will reduce the acceleration of the system by 50%?

5. ## chemistry

how would you prepare a 500 mL of 0.020M KMnO4 solution?

6. ## Geography

20. What role do West African women play in the region's economy? a. tradition will not allow women to work outside the home b. women make most of the economic decisions in West Africa's matriarchal society c. women help grow crops and run local markets d.

7. ## science

a teacher pushed a 98 newton desk acrosss a floor for a distance of 5 meters she exerted a horizontal force of 20 newton How much work was done?

8. ## Physics

A sign is supported by a cable and a horizontal beam.The beam has a length 1.4 m and a uniform mass of12 kg.a) If the cable is attached to the beam at a distance of 1.0 m from the hinge, what is the tension in the cable? (b) If the cable breaks, what is

9. ## science

a 49 newton rockis lifted 2meters in 5 seconds How much work is done? b what power is used?

10. ## MELODY

The parachute on a race car of weight 8850 N opens at the end of a quarter-mile run when the car is traveling at 31 m/s. What total retarding force must be supplied by the parachute to stop the car in a distance of 1000 m? [so for this one, i need to know

11. ## physics

A 1.30 kg toaster is not plugged in. The coefficient of static friction between the toaster and a horizontal countertop is 0.400. To make the toaster start moving you carelessly pull on its electric cord. (a) For the cord tension to be as small as

12. ## science

a womans lifts a 300 newton child a distance of 1.5 meters and carries her forward for 6.5meters. how much work does the woman do in lifting the child? b.how much work does the child do?

13. ## Chemistry

A quantity of N2 occupies a volume of 1 L at 290 K and 1.5 atm. The gas expands to a volume of 2.7 L as the result of a change in both temperature and pressure. Find the density of the gas at these new conditions (in grams per liter).

14. ## Physics

The tracks of Angel's flight extend 96.0 m along the side of a hill at an angle of 18.4 degrees with respect to the horizontal. If each car has a passenger with a mass of 70.0 kg, what is the total mechanical energy associated with the two passengers when

15. ## math

How would I do this? A sum of money is divided among three persons, X,Y,Z, kn the ratio 10:7:5. If Y gets \$14 more than Z, how much will X get and what is the total sum of money? There is no total sum so how do I find it?

16. ## Chemistry

What will happen to a well stoppered bottle filled with water left in the freezer overnight?

17. ## Chemistry

You are confronted with an unknown metal, M, and need to determine its identity. Using the following information identify the metal. M(s) Reacts vigorously with water and acid. M(s) does not react with K+(aq) M(s) reacts with Co+2(aq) M(s) does not react

18. ## Math

Find the least number divisible by each natural number less than or equal to 10.

19. ## Advanced Functions

A rectangle has perimeter 64cm and area 23cm squared. Solve the following system of equations to find the rectangle's dimensions. l=(23/w) l+w=32

20. ## Math

prove lim x->0 sinx/x=1

21. ## physics

A student drops a ball from the top of a tall building; the ball takes 2.8 s to reach the ground. 1. what was the ball's speed just before hitting the ground? 2. What is the height of the building? help please?

22. ## Science

Mass= 48g; volume=24 cm3 . What is the density of this substance ?

23. ## Technology

is there anything i should add to my answer: 1. List the four major categories of technology and give one positive example of each one in your life. (im not sure if these are the four categories:) The four major categories of technology are communication

24. ## chemistry.

A student was asked to make some copper(II) sulfate-5-5 (CuSO4.5(H2O) BY reacting copper(II) oxide (CuO) with sulfuric acid. a) Calculate the molar mass of the copper (II) sulfate-5-water which is (64+32+64) + (10+80)=250 mol b)Calculate the amount (in

25. ## Chemistry

You are confronted with an unknown metal, M, and need to determine its identity. Using the following information identify the metal. M(s) Reacts vigorously with water and acid. M(s) does not react with K+(aq) M(s) reacts with Co+2(aq) M(s) does not react

26. ## Trig

Verify the Identity (sin m +sin n)/ (cos m + cos n) = tan(m + n/2)

27. ## physics

A 2.00 kg aluminum block and a 5.20 kg copper block are connected by a light string over a frictionless pulley. They sit on a steel surface, where Î¸ = 28.0°. Determine the sum of the magnitudes of the forces of friction acting on the

28. ## physics

Suppose that in the same Atwood setup another string is attached to the bottom of m1 and a constant force f is applied, retarding the upward motion of m1. If m1 = 5.30 kg and m2 = 10.60 kg, what value of f will reduce the acceleration of the system by 50%?

29. ## spanish sra JMcGuin

1. Approximately what percentage of the world's Spanish-speaking population lives in the United States? 5 9 14 2. According to the Guinness record book, how many letters does the longest Spanish word have? 22 29 42 3. The word chocolate came to Spanish

30. ## programming

I really need help in this it makes me confuse.I should make a program to find a pattern...so can somebody help me... Write a function to recognize an pattern within another array. Your function should have the following prototype. const int

31. ## Chemistry

You are confronted with an unknown metal, M, and need to determine its identity. Using the following information identify the metal. M(s) Reacts vigorously with water and acid. M(s) does not react with K+(aq) M(s) reacts with Co+2(aq) M(s) does not react

32. ## Florida studies weekly

why can't we fnd many of the remains of the spanish missions in florida this period?

33. ## physic

Please help me I have no idea how to do this problem at all. Question:A sledge loaded with bricks has a total mass of 17.8 kg and is pulled at constant speed by a rope inclined at 20.8° above the horizontal. The sledge moves a distance of 20.6 m on a

34. ## Math

Determine whether the statement is true, false, or sometimes true. Explain or show why. If x is positive and y = -x, then xy is negative. Is this always true or sometimes true?

35. ## Math

Arectangle has perimeter 64cm and area 23cmsquared. Solve the following system of equations to find the rectangle's dimensions.

36. ## Geography

16. Why was the Sahel's location important to the early empire of Ghana? a. its location in the Sahara made it difficult to attack. b. its coastal location gave it vast fishing resources c. the Sahel was the trade link between the Mediterranean coast and

37. ## computers

. When you link a worksheet and a chart in a business report as well as on a slide, which Microsoft Office applications are integrated? A. Word, Excel, PowerPoint B. Excel, Access, Word C. Word, Access, PowerPoint D. Excel, PowerPoint, Publisher 2. Which

38. ## Math subject Calculus

Hi there I am having some difficulties to solve this problem from my homework package and i don't understand how to approach this problem. Please help me by giving me advice on how to approach this problem. Let z = xsin(x/y), y does not equal zero. Show

39. ## math

solve and check results 3x + 7(x-2)-13=12-3x

40. ## geometry

Figures that correspond under a translation, rotation, or reflection are said to be translation congruent, rotation congruent, or reflection congruent. Position two congruent figures on a piece of paper to satisfy each combination of congruences listed.

41. ## // calculus - derivatives

y = sec(5x) / x^2 my notes say y' = 5x^2sec5xtan5x-2xsec5x i get y'= sec5x(-2x^-3)+sec5xtan5x(5)(x^-2) when i change it to (sec5x)(x^-2) or by quotient rule [ (x^2)(sec5x)(tan5x)(5)-(sec5x)(2x) ] / (x^4) which is correct?

42. ## Biology

Anaerobic fermentation in yeast produces (include all of the final products). A. Lactic acid, NAD and CO2 B. Lactic acid and NADH C. Lactic acid, NADH and CO2 D. Lactic acid and NAD E. Ethanol and CO2 F. Ethanol, NADH and CO2 G. Ethanol, NAD and CO2 H.

43. ## Chemistry

You are confronted with an unknown metal, M, and need to determine its identity. Using the following information identify the metal. M(s) Reacts vigorously with water and acid. M(s) does not react with K+(aq) M(s) reacts with Co+2(aq) M(s) does not react

44. ## Math-Fractions

Solve the proportion. 2/5=x-4/4

45. ## Geometry

A polyhedron has 33 edges and 20 faces. How many vertices does it have?

46. ## social studies

why we can't find many of the Spanish missions from this period in Florida?

47. ## pre calc

Solve: (x+5/x)+(6/x-4)=(-7/x^2-4x) I multiplied the entire function by x and x-4 and after doing that I got down to the quadratic equation x^2+7x-13=0 I did the quadratic and got x=1.525 and -8.525 I feel like I made a mistake because when I plug in both

48. ## algebra

you are driving at a speed of 55 miles per hour to your sister's house. at 1pm, you are 150 miles from her house. write an equation that models the distance from you sister's house in terms of the number of hours since 1pm.

49. ## Geography

48. Discuss the various patterns of prevailing wind in each area of latitude (low, middle, high) --I posted this yesterday and bobpursley told me I had some wrong information so I fixed up the essay a bit. Is it OK? The air movements toward the equator are

50. ## Pre Calc still confused

Solve: (x+5/x)+(6/x-4)=(-7/x^2-4x) I multiplied the entire function by x and x-4 and after doing that I got down to the quadratic equation x^2+7x-13=0 I did the quadratic and got x=1.525 and -8.525 I feel like I made a mistake because when I plug in both

51. ## calculus

f(x) = (3x^2) (csc4x)^4 // f'(x)=? my notes say : f'(x) = (3x^2)5(csc4x)^4(-csc(4x)(tan4x)(4)+(csc4x)^5(6) I redid it and i got : f'(x) = (3x^2)5(csc4x)^4(-csc4x)(cot4x)(4) + (csc4x)^5(6x) which is correct? if its my notes why?

52. ## Chemistry

CO + 2H2 ---> CH3OH Change in heat= -90.7 KJ/mol Calculate the mass of hydrogen formed when the change in heat is +90.7 KJ/mol 2 moles of H2= 1 mole of CH3OH 2(1x2)g 2(2)g =4g Am I correct?

53. ## algebra

during the first trip a canoeist travels 79 miles at a certain speed. the canoist travels 24 miles on the second part of the trip at a speed of 5 mph slower. the total time for the trip is 5 hrs. what was the speed on each part of the trip

54. ## science

a box pushed across the floor for a dis tance of 5 meters with a force of 50 newtons in 5 second how much work is done? what is the power?

55. ## Geography

48. Discuss the various patterns of prevailing wind in each area of latitude (low, middle, high) --I posted this yesterday and bobpursley told me I had some wrong information so I fixed up the essay a bit. Is it OK? The air movements toward the equator are

56. ## Social Studies

Who called Julius Caesar the "divine Julius" ? Thanks:)

57. ## Math Analysis

6. Prove that f(x) = (3/4)x^4 + 2 and g(x) = (4sqrt(108x-216))/3 are inverses. I know you solve it with composite functions f(g(x)) and g(f(x)), and I solved f(g(x)), but I can't seem to solve g(f(x)) to equal x, like it should. Can someone show me how to

58. ## animal research

can some list some stuff loggerhead sea turtle do in its life style? please and thank you

59. ## science

Napolweon pencil has a mass of 3 grams (0.27Napoleon ) when he lifts his pencil from the desk to his paper he moves it an average of 20cm (o.20m) He then returns it to his desk moving it another 20cm How much work did he do on his pencil? w=FXD

60. ## math115

Please help You find an old savings bond that originally cost \$50. It has been compounding 3% interest annually for the last 75 years. How much is it worth? Make sure you round your answer to the nearest cent.\$459

asked by margie o
61. ## Math

Please help You find an old savings bond that originally cost \$50. It has been compounding 3% interest annually for the last 75 years. How much is it worth? Make sure you round your answer to the nearest cent.\$459

asked by margie o
62. ## Calculus

ok I don't understand how this was done inergral(y2 and y1) pgywdy = 1/2 pgw(y2^2 - Y1^2) ok it's been a while sense calc I rember you add one to the power of the term that was a dervitative and divide by that power hence (1/2)(y2^2 - Y1^2) but what

63. ## math

Richard's age in 7 years will be twice what it was 19 years ago. How old is Richard now?

asked by Bob roboto
64. ## physic

please help, I really appriciate you help alot. Question:A 0.34 kg particle has a speed of 2.0 m/s at point A and kinetic energy of 7.5 J at point B. (a) What is its kinetic energy at A? ___ J (b) What is its speed at point B? ____ m/s (c) What is the

y+5/3=x+2

66. ## accounting

Cournot Company sells 100,000 wrenches for \$12 a unit. Fixed costs are \$300,000, and net income is \$200,000. What should be reported as variable expenses in the CVP income statement? (a) \$700,000. (c) \$500,000. (b) \$900,000. (d) \$1,000,000.

67. ## Math

g(x)= 8/10-9x would the correct answer be a) {xIx is a real number and x ==/== 10/9? b){xIxis a real number and x equals lesser or equal to >_ 10/9 c){xIx is a real number and x =/= 0 d){xIx is a real number and x =/= 8 my answer is c is this correct?

68. ## 6th grade

What is a letter to the editor? I'm doing a book report, but all I know is that I'm suppose to write if I would or wouldn't suggest this book to my classmates. I'm just wondering if that's all I have to do.

69. ## English1A

Writeacher, is this better? Greetings and Gestures Culture plays a large role on how individuals communicate with one another, including how they express themselves. There are various ways of communication such as through speaking, sign language, or body

70. ## earth science

Why are some crystals large and perfect, while others are small and irregular? The only answer in my book that seems close is : The crystal shape, hardness, cleavage and density of a mineral are determined by the internal arrangement of its atoms or ions.

71. ## Physics

A 2-hp motor drives a sanding belt. If the efficiency of the motor is 87% and that of the sanding belt 75% due to slippage, what is the overall efficiency of the system? The answer has to be 65.25%. Can someone please help me to work it out?

72. ## Chemistry

Zinc coats Iron and prevents it from rusting. However Iron cannot be used to coat zinc and prevent it from corroding.Explain this phenomenon.HELP PLEASE URGENT!!

73. ## science

Mr beck gigantic gas guzzling exhaust spewing urban assault vehicle suburban weighs 10000ponds it takes mr becck 2 minutes to drive 1.5 kilometers to west valley fitness so he can ride the stationary exercise bike for a half hour How much work and power

74. ## science

a mr wikinson backpack weighs 45 pounds if there are 453.7grams in one pound what is the mass of his backpack?

75. ## Trig

The state highway commission has decided to build a bridge over a dangerous railroad crossing. The approach ramp has to be constructed so that the bridge is 10 meters above the track. If the maximum desired grade of this ramp is 4 degrees, how far back

76. ## math finals

14. There is a rectangular piece of property that measures 188 ft by 100 ft. On the property there is a circular lake with a diameter of 72 ft. In the center of the lake there is a circular island with radius of 12 ft. The rest of the property is land.

77. ## Trig

Your school is getting a 10,000 seat stadium to hold spectators for your home football and baseball games. For each row of seats, which rise like stairs, the dimensions are 30 inches wide and 12 inches deep. What is the pitch(angle) by which the rows of

78. ## science

Napolweon pencil has a mass of 3 grams (0.27Napoleon ) when he lifts his pencil from the desk to his paper he moves it an average of 20cm (o.20m) He then returns it to his desk moving it another 20cm How much work did he do on his pencil? w=FXD

79. ## Math

Find the LCM for the given numbers by an appropriate method. 135, 56, and 150

80. ## ELA

What is the difference between memoirs and biographies????????????

81. ## Math

Would the answer to (-1)^5 be -5?

82. ## Math

Convert to standard notation. 7.53 × 10^3. Can someone show me the proper way to do this?

83. ## Physics

(a).A 220-kg sleigh is pulled by one horse at constant velocity for 0.90 km on a snowy, horizontal surface, the coefficient of kinetic friction between the sleigh runners and snow is 0.27. What power must the horse deliver to the sleigh for the trip to

84. ## Chemistry

I have Sodium Benzoate and Benzyl Alcohol in a solution. I used an ether to separate the two. I know the alcohol dissolved into the ether and benzoate stayed in the aqueous solution. However, So my question is.. why the alcohol is able to dissolve better

85. ## environmental science

1. Checkpoint: Population Size • View the Ch. 7 Alien Invasion VLR located under the Week Four Materials section of your student Web page. • Post a 200- to 300-word response to the following: o Explain the four factors that produce changes in

86. ## algebra

how do you solve 2(2^2x)-5(2^x)+2=0 for x

87. ## hindu arabic conversion

does anyone know where I can find a conversion chart of the Hindu Arabic numeral system? Everything I have searched just brings me to Roman numeral

88. ## Physics

A rock of a mass 0.2kg is attatched to a 0.75m long string and swung in a vertical plane. What is the slowest speed that the rock can travel and still maintain a circular path. so, i started with the following equation: Fc= mv2/r but where do i go from

89. ## Math 156

Decide whether the following statement is true or false and justify your answer. if n(A) < n(B), then A( B

90. ## Japanese Question

What do these four sentences mean: 1. Kono hon wa anata no desu ka. 2. Enpitsu wa soko desu. 3. Soko wa enpitsu desu. 4. Koko wa anata no shashin desu.

91. ## Math 156

Yesterday 12 students brought their lunches from home. 7 of the students had peanut butter sandwiches and 5 of the students had 5 apples. Did 7+5=12 students have peanut butter sandwiches or apples in their lunches? Why or Why not?

92. ## Math 156

Use the distributive property to solve: (x+10)*(3x+2)

93. ## music

Many composers of the Impressionist era wrote harmonies consisting of chords that moved in _______ motion.

94. ## math

1. unite similar terms with parenthesis. x=2 y=-3 and z=5 find the value of ax to the 2nd power-cy+ax-2ax to the 2nd power+ 2cy to the 2nd power-ax-cy to the 2nd power+ ax to the 2nd power+ cy

95. ## geometry

Why does a regular pentagon not tessellate the plane?

96. ## geometry

tell if the figure is a star polygon, a polygon, or other, and how many sides it has. {9/3}

97. ## geometry

Answer the following questions to determine why Euler’s formula continues to hold for the polyhedron formed by cutting corners off of an octahedron, as in Figure 11.35(b): a. For an octahedron V = , ____,F = ____, and E = _____. b. When you slice off one

98. ## geometry

Name three regular polygons that will tessellate the plane

99. ## Biology

Which monosaccharide requires the most steps to proceed through glycolysis? A. Glucose B. Galactose C. Fructose

100. ## Physics

A rock of a mass 0.2kg is attatched to a 0.75m long string and swung in a vertical plane. What is the slowest speed that the rock can travel and still maintain a circular path. so, i started with the following equation: Fc= mv2/r but where do i go from

101. ## chemistry

How do I figure this out? In the reaction CS2 + 3O2 → CO2 + 2SO2, when 160 g of CS2 and 195 g of O2 are reacted, the theoretical yield of SO2 is 260 g.

102. ## Social Responsibility

Social Responsibility at School Explain the importance of social responsibility and independent action. I don't how to answer this question. I've searched on GOOGLE for 'social responsibility' but all the results are about corporate social responsibility.

103. ## english

CAN SOMEONE HELP ME IN GETTING STARTED WRITING A NARRATIVE POEM IN THE ANGLO-SAXON STYLE OF BEOWULF?

104. ## Math Help

Use the mean value theorem to determine the value of c, given that f(x) = cos 5x. I got f(x)=cos 9.96. Pls check

asked by Beta plus
105. ## science

mrs rossow ran the Yakima river cayons marathon the course is 27.2 miles long and it took her 2 hours and 15 minutes to finish if she weighs 135pounds calculate the work and power she used. A.work B.power

106. ## Calculus

find the acceleration at time t=9s if the position (in cm) of a particle moving along a line is s(t)=6t^3-7t^2-9t+2 at time t.

107. ## Math

Find the Cartesian product B × A. A = {3, 5, 9, 7} B = {0, 1} Is it {(0, 3), (0, 5), (0, 9), (0, 7), (1, 3), (1, 5), (1, 9), (1, 7)}

108. ## biology

how was vinegar able to remove the calcium shell of an egg?

109. ## math

what would the graph of this look like xy

110. ## Algebra

How do you factor 1/2x^3-x so that the zeroes can be found? Thank you-Adriana

111. ## Math

Evaluate |-37-22|-|-11|=4

112. ## Math

9-1/2y=4x Solve for y.

113. ## biology

describe the role of mitochondria in the metabolism of eukaryotic cells.

114. ## Essay for College Appl

--- I want to say something along the lines of ...even though it may make a little difference it still is a difference. any suggestions on how to say this intelligently?

115. ## Pigskin Geography

What are the Interstates for pigskin week seven. They are like the last problems and I can't find them anywhere.!!

116. ## 3rd grade

Dean works with baby animals at a Zoo. This week he measured a giraffe, an ape and a tiger. The tiger had grown 4 inches less than the giraffe. The giraffe had grown twice as much as the ape. The baby ape had grown 6 inches since it was measured the last

117. ## Geometry

Will any kite tessellate the plane? why or why not?

Pigskin week seven interstates help please

119. ## math

find the slope-intercept equation of the line that has given characteristics slope = 3 and y-intercept is (0,9) the slope equation is y= how do I start this? I don't know why I always freeze up.. can someone please help me?

120. ## math

are these two lines perpendicular? x+2y=5 2x+4y=7 How do I determine if these two are perpendicular?

121. ## math

are these two lines perpendicular? x+2y=5 2x+4y=7 How do I determine if these two are perpendicular?

122. ## spanish

What Does This MEan?? te llams me gusta comer es coreer

123. ## Math

g(x)= 8/10-9x would the correct answer be a) {xIx is a real number and x ==/== 10/9? b){xIxis a real number and x equals lesser or equal to >_ 10/9 c){xIx is a real number and x =/= 0 d){xIx is a real number and x =/= 8 my answer is c is this correct?

124. ## math

using method of partial fractions to decompose this 1/(x-3)(x+3) is 1/6(x-3)-1/6(x+3) correct or have i gone wrong somewhere

125. ## equations

The linear equation y=0.15x + 0.79 represents an estimate of the average cost of gas for year x starting in 1997. The year 1997 would be represented by x = 1, for example, as it is the first year in the study. Similarly, 2005 would be year 9, or x = 9.

126. ## economics

what is the correlation between increasing GDP and rising inflation or interest rates?

127. ## math

mrs.ellis is 28 years older than her daughter. in 11 years she will be 3 times as old as her daughter. how old is each now?

128. ## chemistry.

Write the symbols for three other species, which also have the electron arrangement of 2.8.

129. ## Biology

Which is the most common complex carbohydrate on earth? A. Starch B. Glycogen C. Cellulose D. Hemicellulose E. Chitin

130. ## Chemistry

What is the purpose of adding quicklime to the soil?

131. ## // calculus - trig derivatives

how do i do i do y=cos(radt)+ rad(cost)? ---- f(x) = (3x^2) (csc4x)^4 // f'(x)=? my notes say : f'(x) = (3x^2)5(csc4x)^4(-csc(4x)(tan4x)(4)+(csc4x)^5(6) I redid it and i got : f'(x) = (3x^2)5(csc4x)^4(-csc4x)(cot4x)(4) + (csc4x)^5(6x) which is correct? if

132. ## Algebra 2 honours

can someone please tell me how to factor out (x^6+1)^4? please show me how you got the answer... Thank You... :D

133. ## math115

find lowest common multiple of 24,15,44=1 or none

134. ## Math

14. There is a rectangular piece of property that measures 188 ft by 100 ft. On the property there is a circular lake with a diameter of 72 ft. In the center of the lake there is a circular island with radius of 12 ft. The rest of the property is land.

135. ## sra jmcguin

Hi sra does these look okay now - every last point counts atteh end of the quarter I could have a 4.0 this quarter - serioulsy I am so gratful for all of your help. 1. Según el libro de récord Guinness, ¿cuántas letras tiene la palabra más larga de

136. ## Math

Evaluate |-37-22|-|-11|=4

137. ## math

it is greater than 43 and less than 52. if you add the digits the sum is 8. what is the number

138. ## science

mr mcmurry taked 4327 sips of mountain dew each day. each time he takes a drink he moves the bottle 45cm to his mouth and another 45cm to his mouth and another 45cm back to the table .If the bottle has a massof 567 grams (5.1newtons)how much work does Mr

139. ## latin

I need help putting a few words into the dative case. 1)parvus puer 2)rex fortis thank you in advance

140. ## Physics

what does it mean to have a constant acceleration does that mean that a= 0 or a=x? I particularly need help with::::>> Suppose the pilot, starting again from rest, opens the throttle only partway. At a constant acceleration, the airboat then covers a

141. ## social studies

Excuse me can some one please tell me why we can't find many of the Spanish missions from this period in Florida. Sincerrly, Stacy Goodman

142. ## Math

Evaluate |-37-22|-|-11|=4

143. ## science

Mr.wilinson carried his backpack 12kilometers and set up camp on the edge of cutthroat lake it took him 3 hours to get there from the trailhead how much work did he do on his backpack on the hike in?(1pound=453.7grams=4.1newtons)EXPAIN

144. ## science

Mrs leuenberger ran the same marathon but since her husband was hunting and she couldn"t find a babysitter she had to carrY her two daughter in her arms they weighs 40pounds and 55 pounds mrs leuenberger weights 145pound (butyou didn't hear that from me)

145. ## Math

Find the simple interest for the indicated length of time. \$7915 at 9% interest for 9 months?

146. ## 4th grade

clues:i am less than 100 the sum of my digit is 8 if you divide me by 2,iam an even number my tens digit and my ones digit are the same

147. ## Medical Law and Ethics

Trying to summarize the duties of the public duties of the physician as specified by law. I cant figure out how to put all that information into 2 or 3 paragraphs.

asked by tamara jones
148. ## Technology

is there anything i should add to my answer: 1. There are seven inputs common to all technological systems. List these inputs and give an example of each one. There are seven inputs common to all technological systems. These include people, materials,

149. ## Pigskin Geography

Does anyone know the interstates for week seven. Ithink its numbers 12-15 or something like that

150. ## latin

how do you say intelligent, athletic and funny in latin?

151. ## Physics

How much pressure is required to crack an egg under water Is there like a table I could look at that has values for how much pressure things can withstand before cracking

152. ## College Algebra

I need help with the following problem. I do not understand how to finish working it. -3y^4/5+72=-15 -3y^4/5=-87 y^4/5=29 y=29^5/4 What next? Round answer to two decimal places. Thanks for your help.

153. ## statastics

21. Payne (2001) gave participants a computerized task in which they first see a face and then a picture of either a gun or a tool. The task was to press one button if it was a tool and a different one if it was a gun. Unknown to the participants while

154. ## geometry

Name three regular polygons that will tessellate the plane

155. ## geometry

a. Describe the different types of planes of symmetry and axes of symmetry of a regular octahedron. b. How many planes and axes of symmetry does a regular octahedron have? c. Make a sketch and compare the symmetry properties of a regular octahedron and a

156. ## English1A

I'm still having a bit of trouble with my introduction and thesis. This is what I have, I hope it's any better. Greetings and Gestures All culture groups have various ways of communicating with each other whether it is through speaking, sign language, or

157. ## Mathematics

The surface area of a piece of gold is directly proportional to the square of its weight. By what ratio should the weight be adjusted so as to double the surface area.

158. ## Literature

What would be a good start for an introduction for a persuasive essay on proving that learning about literature is relevant and/or valuable in some way. I don't want anyone to write anything for me but ideas would be greatly appreciated.

159. ## German

Hallo Leute! Hy everybody! Ich brauche HIlfe= I need help! Weisst jemand, wie soll man eine Buchbesprechung schreiben? = How to write a book-essay? danke, thanks

160. ## statistics

What do these following symbols mean:X ¡Ü x - ¦Ì) / ¦Ò) X ¡Ý X ¡Ü