# Questions Asked onJanuary 11, 2011

1. ## physics

saturn has a mass of 5.68 x 10^26 kg and a radius of 6.03 x 10^7 m. a) what would be the weight of a 65.0-kg person on the surface of saturn? b) what would be the weight of a 65.0-kg person 1000 km above the surface of saturn?

2. ## science

Harry walks 1.5 km/h to the mall. Earl walks 2.75 km/h to the mall. What is Earl's relative velocity with respect to Harry?

3. ## science

Harry walks 1.5 km/h to the mall. Earl walks 2.75 km/h to the mall. What is Earl's relative velocity with respect to Harry?

4. ## physics

Tarzan is crossing a river by swinging on a 10.0-m long vine with a breaking point of 1.0 x 10^3 N. If Tarzan's speed at the bottom of his swing is 8.0 m/s, what is the largest mass that Tarzan can have and still make it across the river? [Hint: There are

5. ## physics

baseball thrown horizontally takes 1.1 seconds to reach the ground. What is the height at which the ball was thrown?

6. ## physics

baseball thrown horizontally takes 1.1 seconds to reach the ground. What is the height at which the ball was thrown?

7. ## physics

baseball thrown horizontally takes 1.1 seconds to reach the ground. What is the height at which the ball was thrown?

8. ## English

IS this agood essay A major theme in the book Of Mice And Men is the relationship between the two main characters, George and Lennie. the relationship between them is like a parent and a son, one character is taking care of an uneducated character. Yet

asked by Needs Help
9. ## Chemistry

Which method increases the surface of a solid, allowing it to dissolve faster? A)changing the state of the solid B)adding gas to the solid C)heating the solid D)reducing the size of the solid ****Please help!!!!******* I think the answer is C but i am not

10. ## statistics

the scheduled commuting time on Long Island Rail Road from Glen Cove to New York is 65 minutes. Suppose that the actual commuting time is uniformly distributed between 64 and 74 minutes. What is the probability that the commuting time will be a) less than

11. ## math

what do you write when you have to describe a way to compare two fractions when the denominators are the same

12. ## math

what do you write when you describe a way to compare two fractions when the denominators are the same

13. ## stat

given an exponential distribution with mean = 30 what is the probability that the arrival time is a) less than X = 0.1 B) greater than X = 0.1 c) between X=0.1 and X =0.2 d) less than X =0.01 or greater than X = 0.2

14. ## stat

the time between unplanned shutdowns of a power plant has an exponential distribution with a mean of 20 days. Find the probability that the time between two unplanned shutdow is a) less than 14 days B) more than 21 days c) less than 7 days

15. ## com 170

identify the three key parts of a paragragh. discuss their relationship with one another.

16. ## science

if earth is one astronomical unit from the sun and has a period of 1 year, approximately how far is planet X form the sun if it has a period of 26 yearS

17. ## physics

calculate the force between two 5.0 kg spheres that are 2.5 m apart.

18. ## physics

calculate the force between two 5.0 kg spheres that are 2.5 m apart.

19. ## health

what is a 12 letter word for the process by which alcohol enters the blood stream and travels to all body parts?

20. ## science

on a planet whose mass is twice that of earth and whose radius is the same, with what acceleration will a body fall at sea level

21. ## com 170

write a brief paragraph about which paragraph was more effective and analyze why this is so from chapter 32 real essays with readings appendix g include a discussion of sentence variety and rythem of the author's writing

22. ## science

How many grams of CO are needed to react with an excess of Fe2O3 to produce 558 g Fe? The equation for the reaction is: Fe2O3(s) + 2 CO(g) → 3 CO2(g) + 2 Fe(s)

23. ## Math

in 1992, the life expectancy of males in a certain country was 69.8 years. in 1999, it was 72.4 years. Let E represent the life expectency in year t and let t represent the number of years since 1992. The linear function E(t) that fits the data is E(t) =_

24. ## Chemistry

The grams of oxygen that would produce 13.4 g Cl^2O^7 molecules.

25. ## math

A shaded circle just fits inside a 2m x 3m rectangle. What is the radius in metres, of the largest circle that will also fit inside the rectangle but will not intersect the shaded circle? ------------------------------------------ I have a diagram with me,

26. ## math

Prove that if a subset C of R*R is symmetric with respect to both the x-axis and y-axis, then it is symmetric with respect to the origin

27. ## math

an equation is being tested for symmetry with respect to the x-axis, the y-axis, and the origin. explain why, if two of these symmetries are present then remaining one must also be present.

28. ## chemistry

what is the chemical equation for these situations..? a) there is a straight iron nail in the solidified gelatin solution. the gelatin solution was prepared with phenolphthalein and K3Fe(CN)6. b) same scenario as with (a) but the nail is bent c) same with

A bond price of $987.50 has a face value of$1000, pays 5% semiannually, and will repay the face value in 15 years. 5% tables Present Values Pv Annuity year 13 .53032 9.39357 year 14 .50507 9.89864 year 15 .48102 10.37966 What is the yield to maturity of

58. ## spelling

what is the analogy for thorn

59. ## Math

Find the volume of a rectangular pet carrier whose dimensions are 18.20 in wide, 14.00 in long, and 18.80 in high. Report the answer to the nearest hundredth of a cubic inch.

60. ## physics

A flower pot is thrown out of a window with a horizontal velocity of 8 m/s. If the window is 1.5 m off the ground, how far from the window does it land?

64. ## Physics

The following wave function represents a travelling wave: y = 5.35 / [4.95 + (6.55x+2.15 t )2] where y and x are in cm, and t is in seconds.a) What is the maximum displacement of the wave at t = 4.30 s ? b)What is the wave velocity?

65. ## calculus

An athlete is running around a circular track of radius 50 meters at the rate of 5 meters per second. A spectator is 200 meters from the center of the track. How fast is the distance between the two changing when the runner is approaching the spectator and

66. ## Chemistry

C2H2(g) + 2 H2(g)--> C2H6(g) Bond Bond Energy (kJ/mol) C-C 347 C=C 611 C-H 414 H-H 436 Calculate the value of the C C (triple bond) energy in C2H2 in kJ/mole.

67. ## com 170

write a brief paragraph about which paragraph was more effective and analyze why this is so from chapter 32 real essays with readings appendix g include a discussion of sentence variety and rythem of the author's writing

68. ## Chemistry

Which describes a quark? A)one of the most basic types of particles B)a variety of an element that has different number of neutrons C)a particle in the nucleus that has one of the most significant amounts of mass D)the smallest atom identified by

69. ## English

I have a few more things I'm not sure of. I hope you can help me with them. Thank you. 1)I prefer living in the countryside to living in a big city. I hate busy streets and places jammed with people. (How can you describes streets in which there is a lot

70. ## math

Tell if the relationship is linear? Write the equation for the relationship. values for x are showing 1,2,5,8,10,11 values for y are showing 1.5,2.5,5.5,8.5,10.5,11.5 I could not get any relationship I could think of to make these linear. I tried y=2x just

71. ## math

Teena's favorite jeans were marked down from $30 to$25. What was the percent discount on the jeans?

72. ## social studies

help!!! What are the reason that immigrants in the 1900s came to our country?What did there brought to our country?

73. ## english/Hamlet

I need a better understanding of this quote "once you have friends and find the trustworthy hold on to them" please paraphrase this for me

74. ## chemistry

A 1-\rm L flask is filled with 1.35 g of argon at 25 {\rm ^\circ C}. A sample of ethane vapor is added to the same flask until the total pressure is 1.15 atm.What is the partial pressure of argon, P_Ar, in the flask?What is the partial pressure of ethane,

75. ## Econimics

What has been the effect of DRGs on hospital admissions and the length of stay? What are some advantages and disadvantages of DRGs?

76. ## Physical Science

To create a supernaturated solution, a student heats a beaker of water on a hot plate and adds sugar until no more sugar will dissolve. The student then strains the solution through a funnel using filter paper and allows the solution to cool. Name two

asked by Mr. Sandwich
77. ## social studies

i need help with a acrostic for maryland

78. ## cjs203 criminal justice

do you think that inmates behave better if they feel that they have some say on what goes on?

79. ## Chemistry

Chemicals are supplied in different grades,e.g. ACS,AR...etc.What do we mean when we say that the chemical is for synthesis?

80. ## math

Write the base 10 number 945 s a base 6 number and as a base 12 number. then, using these numbers as base 10 numbers, find the positive difference between them.

81. ## math

A dartboard has the numbers 3, 6, 9, 12, 15, 19, 21, 25, 27, and 30 on it. What is the fewest number of darts that could be thrown if two darts canot land on the same number and if the sum of those scores must be 50?

82. ## math

Three brothers divide 17 candy bars. The oldest child gets 1/2, the middle child 1/3, and the youngest child 1/9. So that they do not have to cut any bars, Mom provides an extra one. The oldest chidl then takes 9 candy bars, the middle child 6, and the

83. ## math

A number of girls form a singing group. All but 3 of the girls are blondes, all but 4 are brunettes, and all but 5 are redheads. How many girls are in the group?

84. ## math

In a variant of the game of Nim, two players alternate taking turns in removing 1, 2, or 3 beans from a pile. The object is to remove the last bean. If the initial pile has 29 beanss, should you want to go first or second to guarantee a win?

85. ## math

In another variation of Nim, players are allowed to remove only perfect square numbers of beans and apply this condition. How many beans should you as the first player select to guarantee that you will win the game?

86. ## math

Two contestants on the show The Biggest Loser start out weighing the same. At the end of year one, contestant A had lost 10% of his weight while contestant B gained 10% of his starting weight. At the end fo year two, contestant A had gained back 10% of his

87. ## Geometry

a Farmer want to put up a fence with a total perimeter of 250 ft. It is the shape of a rectangle but there is a river on one side. What is the maximum area of feet that the fence can be?

88. ## math

The equations y=-2X+12, y=6-X, and X=0 enclose a region in quadrant I. when that region is reflected over the line y=6-X, a portion of the reflection is in quadrant II. Find the area of that resulting region.

89. ## math

A dog is tied to a leash that is hooked to the outside corner of a barn that measures 12 ft.x20 ft. The length of the leash is 16 ft. What is the maximum area in which the dog can wander?

90. ## math

Compute the maximum number of intersections of 17 straight lines.

91. ## chem

how many grams of hydrogen chloride is needed to produce 200 grams of hydrogen

92. ## Physics

Two objects of equal mass m are separated by a distance r. Which expression gives the gravitational potential at the point P mid way between the two objects? The answer shows as -4Gm/r, but I can't see where this comes from.

93. ## bio

Discuss the impact of mutation on somatic cells versus germ cells. Which kind of mutation affects the individual and which kind of mutation affects the population? Why?

94. ## math

On the unit circle the coordinates of P(theta) are (0.588, 0.809). Find the coordinates of P(2theta). Please help.

95. ## social studies

what have many immigrants done for our country in 1900s??? What happend with the immigrants in 1900s when there went into the building?(Ellis Island) Thank's

96. ## algebra 1b

A customer wants to make a teepee in his backyard for his children. He plans to use lengths of PVC plumbing pipe for the supports on the teepee, and he wants the teepee to be 12 feet across and 8 feet tall (see figure). How long should the pieces of PVC

97. ## Allied Health

which one of the following is an example of a leading question?

98. ## algebra

factor the following... y^2-16y+64

99. ## algebra

81r^2-36rs+4s^2

x^2+4x+3

x^2+8x+12

102. ## physics

A child's toy consists of a piece of plastic attached to a spring. The spring is compressed against the floor a distance of 2.00 cm, and the toy is released. If the toy has a mass of 105 g and rises to a maximum height of 75.0 cm, estimate the force

103. ## Science

why do Lithium (Li), Magnesium (Mg), and Aluminum (Al) react with HCl and Iron (Fe), Zinc (Zn), Lead (pb), and copper (Cu) don't react as much or don't react at all?

104. ## Math

To win one million dollars, you must draw two cards whose sum is nine, from a stack of cards numbered through 10. After the first draw you replace the card and shuffle the stack again for the the second draw. What is the chance that your two cards will

105. ## physics

A 0.44 kg object connected to a light spring with a spring constant of 22.0 N/m oscillates on a frictionless horizontal surface. The spring is compressed 4.0 cm and released from rest. (a) Determine the maximum speed of the mass. 28.28 cm/s (b) Determine

106. ## Physics

Calculate the volume of a spherical balloon which has a surface area of 0.0793 m2

107. ## calculus

given 7sin^2 theta + cos theta sin theta = 6 show that tan^2 theta + tan theta - 6 = 0

108. ## Science

draw diagrams illistrating balanced forces. you must show and object at rest and one in motion.

asked by jaswant singh dosanjh
109. ## Physics-Please check

If I went tubing with my little sister, and I have a larger mass, why would we both reach, in terms of energy, the bottom of the hill at the same time; Originally I thought becuase we would both be accerlerating at the same rate but that doesn't explain

110. ## Biology

What is a cell?

111. ## Physics

A 0.012-kg bullet is fired straight up at a falling wooden block that has a mass of 5.0 kg. The bullet has a speed of 670 m/s when it strikes the block. The block originally was dropped from rest from the top of a building and had been falling for a time t

asked by Tom Atlus
112. ## physics

A bomber flies horizontally with a speed of 235 m/s relative to the ground. The altitude of the bomber is 3570 m and the terrain is level. Neglect the effects of air resistance. The acceleration of gravity is 9.8 m/s2 . a) How far from the point vertically

113. ## Chemistry

U+F6-->UF6 If 8.4 g UF6 are recovered from 55 kg of ore, what is the weight % of uranium in the ore? Answer in units of %

114. ## Physics

The speed of a vehicle is 3.56 meters per second. Select from the list below all of the answers which express that speed and which are formatted so that CAPA can judge the answer [* means multiply, ^ means raise to a power, / means divide]. (Entering the

115. ## History

how did boundary settlements help national unity?

116. ## English

What is the adjective in the sentence: It is about the same size as the United States. Also, what are the adjectives and what do they describe in the sentences: The flutes are a third group of instruments. The small keys send a burst of air to large pipes

117. ## child care

any idea about how to write a lesson plan on diversity...

118. ## physics

You drop a frog (initial velocity = 0) into a cart moving at 4 m/s. The frog has a mass of 1 kg. The cart has a mass of 3 kg. How fast are the cart and the frog going after the frog was dropped into the cart?

119. ## Physical Science

To create a supernaturated solution, a student heats a beaker of water on a hot plate and adds sugar until no more sugar will dissolve. The student then strains the solution through a funnel using filter paper and allows the solution to cool. Name two

asked by Mr. Sandwich
120. ## Physics

If the wavelength of the sound wave is 1.3 meters, what is the frequency?

121. ## german

Can someone check if everything is OK? Thank you. Ich habe Weihnachten bei meinen Großeltern im Piemont verbracht. Dort habe ich ein paar wunderschöne Tage mit meinen Verwandten und meiner Familie verbracht. Ich habe auch meine alten Freunde wieder

129. ## Alg II

I have a rectangle whose sides are in the proportion b:a, where b is the longer side. I draw a line parallel to a inside the rectangle in order to break it up into a square with sides of length a and a second rectangle. Amazingly, the sides of the new

130. ## algebra

x 10 - + - = 7 1 x

131. ## chemistry

Draw a line-bond structure for propene,CH3CH=CH2; indicate the hybridization of eachcarbon, and predict the value of each bond angle. Can someone explain the steps, im lost with how our teacher explained, about sp2 and sp3, ect. help?

132. ## 9th algebra

You store square notepaper in cube-shaped box with an inside edge length of 3 inches. What is the volume of the box?

133. ## math

how do i write twenty-three hundredths as a number

134. ## English

what is the difference between a Synopsis and a summary? thank you soo much :)

135. ## Trig/Math

3. f(x)=1/3sin(2/3x-π/4)+4 Find the amplitude, period, phase shift, and vertical shift of the function please.

136. ## science

a student stands at the edge of a diving board that is 3 m high. the student's weight is 350 N. what is the student's gravitational potential energy relative to the surface of the water?

137. ## physic

A bobsled slides down an ice track starting (at zero initial speed) from the top of a(n) 146 m high hill. The acceleration of gravity is 9.8 m/s2 . Neglect friction and air resistance and de- termine the bobsled’s speed at the bottom of the hill. Answer

138. ## Math

You earn $7.25 per hour babysitting. Write and solve an inequality to find how many full hours you must work to earn at least$200

139. ## physics

You place a box weighing 302.1 N on an in- clined plane that makes a 35.6 angle with the horizontal. Compute the component of the gravita- tional force acting down the inclined plane. Answer in units of N.

140. ## Physics

A certain spring stretches 5.3 cm when it supports a mass of 0.65 kg . If the elastic limit is not reached, how far will it stretch when it supports a mass of 10 kg ?Answer in units of cm

141. ## physics

Some enterprising physics students working on a catapult decide to have a water balloon fight in the school hallway. The ceiling is of height 3.2 m, and the balloons are launched at a velocity of 12 m/s. The acceleration of gravity is 9.8 m/s2 . At what

142. ## math

a car travels 12 miles on 0.3 gallon of gas. how far can it travel on 1 gallon?

143. ## maths

in a sequence the 50th term is 349 51st term is 354 and the 52nd term is 359 what is the first and the 100th term

144. ## math

please i need this question answered in a hurry how do you make a fraction as a decimal (Well i know how to do that) But how do you round the decimal to the nearest hundredth i need it answered in a hurry please

145. ## English

Can you please check if my sentences are OK? Thank you very much 1)I worked in a jym for one year ("a year" is a mistake?) 2)If you don't have a choice between two different parts do you say: What part did he play in the film Top Gun? The film director (is

146. ## English

I forgot to include these few more sentences. Thank you. 1) As tradition my uncle dressed up (disguised himself as?) as Nikolaus and at midnight sharp he knocked at our door and brought us all the presents. 2)We didn't exchange the presents lying under the

147. ## Chemistry

What are the repulsion of protons from one antoher and the repulsion of electrons from one another responsible for?

148. ## world history

compare/contrast the rise of communism and modern events in china and Russia help please!

149. ## world histor

what are three major events, ideas, or poicies that contributed to the end of the soviet Union? including something about easern europe! help pleaseee!!

150. ## com220

what is the thesis statement in the article " A Nation Apart"

30 plus 30

152. ## Money Sense

which do individuals usually hve more control over? How much they make or how much they spend? i think its 2nd one?

153. ## Money Sense

is looking for best price on items a good stragety to spend less?

154. ## Physics-Please check my answer-I've been working o

If I went tubing with my little sister, and I have a larger mass, why would we both reach, in terms of energy, the bottom of the hill at the same time; Originally I thought because we would both be accerlerating at the same rate but that doesn't explain

155. ## chemistry

what volume of 1.5M NaOH would be required to neutralize 0.65g of pure aspirin?

If u have 2 months to save enough money to buy item worth $300, how much wud u need to save each week?$30 $40$10 $20 ???? asked by Anonymous 157. ## geomatry in triangle abc angle c is 90.write a indirect proof that angle a is less than 90. asked by suborna 158. ## Physics Calculate the ratio of the kinetic energy to the potential energy of a simple harmonic oscillator when its displacement is half its amplitude. Wouldn't it just be K/U=1/1 or just 1 Because at half the amplitude, it's going to be a combination of K and U. asked by Jon 159. ## Physics A block hangs in equilibrium from a vertical spring. When a second identical block is added, the original block sags by 5.00 cm. What is the oscillation frequency of the two block system? asked by Tara 160. ## Trig/Math f(x)=1/3sin(2/3x-π/4)+4 Find the amplitude, period, phase shift, and vertical shift of the function. Amplitude:1/3 Period:?????? Phase Shift:??????? Vertical Shift:+4 Please Help ? asked by Tabby 161. ## chemistry C2H2(g) + 2 H2(g)--> C2H6(g) Bond Bond Energy (kJ/mol) C-C 347 C=C 611 C-H 414 H-H 436 Calculate the value of the C C (triple bond) energy in C2H2 in kJ/mole. asked by Brenda 162. ## algebra (4x^4-5x^2+2x-10)/(2x-3) asked by johnny boy smithy 163. ## math Each prize for a carnival booth cost$0.32. how many prizes can you buy with $96? asked by roxanne 164. ## chemistry A gas tank holds 15.0 liters of gas at 37C and 342 kPa. What volume would this gas occupy at STP? asked by Hunter 165. ## chemistry A gas tank holds 15.0 liters of gas at 37C and 342 kPa. What volume would this gas occupy at STP? asked by Hunter 166. ## Geological Events Two factors that result in a volcano at a plate boundary are.. I don't get what this question is asking. asked by Anonymous 167. ## math ted wrote the following ruleand exspresion to represent the relationship between a and b in the input/output table input a 9 15 21 24 36 output b 7 9 11 12 16 what did ted forget to do when he wrote the rule and exspresion asked by Anonymous 168. ## Geological Events Hot spot volcanoes appear as volcanic chains in the middle of an oceanic plate because as the plate moves away from the hot spot, the volcano becomes less active, then the hot spot forms a new volcano. Is my answer correct. asked by Anonymous 169. ## math Kari buys 3 goldfish at$4 each she sees bowls marked"3 for $10" and buys 6 of them.she also buys 2 jars of fish food marked 2 for$3.00". which expression could you use to find her total coast?how would the problem

asked by james willson
170. ## math

ted wrote the following ruleand exspresion to represent the relationship between a and b in the input/output table input a 9 15 21 24 36 output b 7 9 11 12 16 what did ted forget to do when he wrote the rule and exspresion write the correct rule and

171. ## Geological Events

The terms focus and epicentre are linked by the epicentre being found on the surface, directly above the focus. Is my answer correct.

172. ## Math

How do you find the perimeters of the letter C?

173. ## Math

what is the best measure of central tendency? Explain

174. ## English

Is this sentence a type of figurative language? "That laid their guilt upon my guiltless shoulders"

175. ## art

what is significance of picassos tete de cheval painting

176. ## Math

What change you should be made in this sentence:Her parents thought she might need help copeing with her loss of her arm, but Bethany proved them wrong. F. Change parents to parent's G. Change copeing to coping H. Delete the comma J. Change them to her

177. ## algebra

if a student has an average of 8 after 20 tests and then gets a 0 on his 21st test, what would his new average be?

178. ## 6th grade Math

How to convert 4.65 into a fraction but in simpilest form while showing your work?

179. ## physics

A car was seen driving off the edge of a cliff at an angle of 10.° above the horizontal. The cliff is 95. m high and the car impacted the ground at a distance of 156. m from the base of the cliff. The speed of the car as it left the cliff was closest to:

180. ## history

How did brown vs board of education impact americans during the cold war?

181. ## Physics

You place a box weighing 353.8N on an incline plane that makes a 42.5 degree andle with the horizontal. Compute the component of the gravitational force acting down the incline plae. Answer in Units of N

182. ## physics

A cylindrical pipe 30 cm in diameter carries water at a volumetric flow rate of 10-3 m3/s. The pattern of the flow in the pipe ...

207. ## Plate Movement

What parts of earth's interior are involved in a convection current? The mantle. Core. Is that right?

working on a crossword puzzle on analogies it has 10 letters and the words given are story:narrative:: editorial:?

209. ## Science

Definition of behavioral adaptation. Two examples please????

210. ## Reiny MATH HELP

I think you are a math tutor, could u help me with my problem?

211. ## Science

Different species of plants have structure/characteristics that allow them to adapt to their environment. What is this called

212. ## English

Would this be an example of figurative language? Sorry, I am really terrible at this kind of thing, and knowing what is right and wrong really helps me. "O, gentlemen, see, see! dead Henry's wounds Open their congeal'd mouths and bleed afresh!"

213. ## Biology

What role do high-energy electrons play in the electron transport chain?

214. ## Measuring

Would using the unit CM be the best for measuring my finger?

215. ## History of education

How do you Contrast education in Old Massachusetts Bay Colony, New England with the Middle and Southern States

216. ## math

jared wants to save $100 to buy a tennis racket.he saves$8 each week,and his mother gives him an extra $0.25 for each dollar he save.determine the number of weeks it will take jared to save$100.

217. ## Math

A set of data has a mean of 25 and an outlier of 5. You find the mean without the outlier. Which of the following best describes your new mean? A. The new mean is the same as the original mean. B The new mean is the as the meadian C. The new mean is

218. ## algebra

factor trinomial 9x(2) + 9x + 2 i do not know how to type the 9x and the little x over the 2 ( to the x power ) thank you for your help.

219. ## Geometry

If ∆ ABC ~ ∆ DEF, BC = 12 cm, EF = 10 cm, and AC = 18 cm, find DF.

220. ## science

when do plates have the most potential energy

221. ## math

Algebra use the function . Find the output of Y, for each input,x. y=4x-6 for x+5,7,9.

222. ## Science/language arts

I need a poem that I need about lithosphere

223. ## Math

Solve the proportion for u. (u-2):(u+3) = 4:3

224. ## Cellular Anatomy and Musculoskeletal Systems

A seven-year old boy breaks his tibia and requires immobilization by a hard cast for 6 weeks until the break heals. A potential consequience of this therapy is atrophy of the pectoralis major?

225. ## human services

where can I find information on reinforcement affect theory? I need information on the population that it is used and the theory of helping.

226. ## math

how to mixed #s or whole #s 18/7

227. ## Biology

why is a cell small? and how can this be related to the diffusion rate and the synthetic capacity?

228. ## Physics

Three identical stars of mass M form an equilateral triangle that rotates around the triangle's center as the stars move in a common circle about that center. The triangle has edge length L. What is the speed of the stars?

229. ## us history

What are some results of the Whiskey Rebellion?

230. ## math

buses to the stadium leave central station every 10 minutes buses to the zoo leave central station every 16 minutes both buses leave central station at 4 p.m. find the next time both buses will leave central station at the same time.

231. ## MATH

Use the formula p - 2L + 2W to find th perimimeter of the triangle Length- 8.6 m Widith- 2.5 m

232. ## Grammar

What is the complete subject in the sentence: Every year, blackbirds and blue jays migrate south? Is there a simple way to know the complete subject? Would it be everything before the verb, migrate?

233. ## chemistry

If you have 25 liters of carbon dioxide at STP, how many grams of it do you have?

234. ## government

why did many people call for changes to the articles of confederation?

235. ## Biology

why is a cell small? and how can this be related to the diffusion rate and the synthetic capacity?

236. ## Trig/Math

f(x)=1/3sin(2/3x-π/4)+4 Find the amplitude, period, phase shift, and vertical shift of the function. Amplitude:1/3 Period:?????? Phase Shift:??????? Vertical Shift:+4 Please Help ?

237. ## Physics

What's earth's rotation period?

238. ## science

How are fossil fuels formed?

239. ## government

what event showed the need for a stronger federal government?

240. ## geometry

the diagonals of a rectangle are 12 inches long and intersect at an angle of 60 degrees. find the perimeter of the rectangle. please help :)

241. ## english

I need to write a 5 paragrah essay using Herringbone,decriptive words,transtiton and a metaphor in the fith paragraph. this is the topic: If I werepresident of the United states, what three areas would you fous on to improve public education across the

242. ## Ferdinand Marcos University

What are the condensed structure of each of the following: a.)2-pentene b.)1chloro 3 metyl 2 -pentene c.)3 methyl 1 butyne d.)2,3dimethyl pentane e.)2 ethyl 1 methyl hexane

243. ## algebra

write the equation of the line in slope intercept form that goes through the given point and is parallel (4,-7),y=1/2x

244. ## Math

Using my faucet, it takes 6 minutes to fill our water tank. Using my neighbor's hose, it takes 9 minutes. How long would it take if i used both the faucet and the hose?

245. ## Math

If a right triangle has legs of 9in. and 12in. What is the length of the hypotenuse?

246. ## government

as part of the great compromise,what fraction of enslaved people were counted to determine representation?

247. ## chemistry

What is the volume of a gas tank which contains 10.4 g of nitrogen gas a 2 g and 4.50 atm?

248. ## chemistry

What is the pressure of sulfur hexafluoride gas in a 10.0 liter tank which holds 235 g of the has at 17C?

249. ## government

how did Shay's Rebellion lead to the creation of the Constitution?

250. ## Math

9.6 L = _____ mL

251. ## Chemistry

a 5.00 Liter tank holds argon gas a 675 kPa and 11C. what would be its pressure if this argon is transferred to a different tanks whose volume is 17.0 liters at 135C?

252. ## MATH

Erics 4 test grades are 85, 75, 97, 93 . What must she make on her 5th test to have an average of 87?

253. ## Math

In a right triangle, if the median from the right angle to the hypotenuse is 5 in. what is the length of the hypotenuse?

254. ## algebra

Tom's mother pays him $.50 for each problem his gets correct on his test, but he has to give her .25 for each problem he gets wrong. If Tom makes$8.00 on the test, and there were 25 total problems on the test, how many did he answer correctly? Thanks!

255. ## Chemisrty

as you move left to right across period 3 from mg to cl, the energy needed to remove an electron from the atom does what?

256. ## science

(This homework question was removed due to a copyright claim submitted by K12 Inc.)

257. ## geology

Is Lake Erie considered a part of the Interior Plains?

258. ## Physics

a ship coming into port blows its whistle, you see its steam 1.86 seconds before you hear the sound. How far away is the ship if the air temperature is 10 degrees Celsius?

259. ## math

A shaded circle just fits inside a 2m x 3m rectangle. What is the radius in metres, of the largest circle that will also fit inside the rectangle but will not intersect the shaded circle? Drawing a diagram would help with this question. Thanks.

260. ## physics 11

brutus, a champion weightlifter, raises 240 kg a distance of 2.35 m. How much work is done by Brutus lifting the weights?

261. ## Chemistry

a 5.00 Liter tank holds argon gas a 675 kPa and 11C. what would be its pressure if this argon is transferred to a different tanks whose volume is 17.0 liters at 135C?

262. ## Chemistry

a 5.00 Liter tank holds argon gas a 675 kPa and 11C. what would be its pressure if this argon is transferred to a different tanks whose volume is 17.0 liters at 135C?

263. ## physics 11

if you have the formula W=Fd, where W=work, F=force, and d=displacement, how do you find W if you don't have F, but you have a mass and displacement?

264. ## Algebra 2

Can you check my answer and the work? Thank youu~~ (2x-y)7 128x7 -448x6y -672x5y2 -560x4y3 -280x3y4 -84x2y5 -14xy6 -y7 orr 128x7 -448x6y +672x5y2 - 560x4y3 +280x3y4 -84x2y5 +14xy6 -y7 Ps: the 7 in the equation is the exponent and the numbers after the

269. ## physics

A box having a mass of 50kg is dragged across a horizontal floor by means of a rope tied on the front of it. The coefficient of friction between the box and the floor is .3. If the angle between the rope and the floor is 30 degrees, what force must be

270. ## problem solving

theotis has to load a truck with tv sets. the cargo area of the truck is a rectangular prism that measures 1 1/2 ft. by 1 2/3 ft. by 1 1/3 ft...how many sets can be loaded into the truck?

271. ## math

18x + 9 10x - 4 ________ > _________ 3 2

272. ## physics

What is physics?

273. ## physics

(a)If a crate slides down a 10 degree incline at uniform speed, what is the coefficient of friction between the crate and the incline?(b)What is the coeffiecient of friction using a 20 degree incline?(c)What is the coefficient of friction using an n degree

274. ## chemistry

How would set up a problem like this? A mass of 20.0 g of NaOH is dissolved in water to form 5.0 dm^3 of solution. What is the molarity of the hydrogen ion concentration if the temperature is 25 degrees Celsius?

275. ## algebra

Describe what are the graphs of the intervals [-4,10], (-4, 10], [-4, 10) and (-4, 10) looks like. Are these graphs in the xy-plane or on the number line?

276. ## pre calc

solve the equation 1+4sin(x)=4cos^2(x)

277. ## PHYSICS

HOW DO U COMPUTE g USING THE EQUATION g=GM/r^2 WHEN GIVEN THE QUESTION IN THIS FORM: "COMPUTE g AT A HEIGHT OF 4 RE ABOVE THE SURFACE OF EARTH" -basically how can i find the answer to a question given in this form

278. ## Math

In a rhombus all angles are right angles. True or False?

279. ## math

Theotis had to load a truck with television sets. The cargo area of the truck is a rectangular prism that measures 8 ft. by 21 ft. by 11 ft. Each television set measures 1 ½ ft by 1 2/3 ft. by 1 1/3 ft. How many tv’s can be loaded into the truck?

280. ## Math

Every Square is a rhombus. True or False? This one has me confused.

281. ## math

What is the area of a square that has the perimeter (inches) equal to the number of days in February (not during a Leap year)?

282. ## English

What quote from huckleberry Finn is a overstatement? Is "Then the old man got to cussing and cussed everything and everybody he could think of, and then cussed them all over again to make sure he hadn't skipped any, and after that he polished off with a

283. ## physics

A ventilation fan has blades 0.25 m in radius rotating at 20rpm. What is the tangential speed of each blade tip? i don't understand how to do tangential speed.

284. ## physics

A boy exerts a horizontal force of 2nt to pull his 2kg sled over the snow. If he gives someone a ride on his sled and he has to exert a 12nt force to pull the sled, how much does that person weigh and what is their mass?

285. ## physics

What is the force required to move a 22kg ccrate up an incline of 35 degrees, if the coefficient between the two surfaces is .30?

286. ## physics

what is the coefficient of sliding friction between a 3.2kg sled and snow when the sled, carrying a 25kg boy, can be pulled with a force of 35nt?

287. ## Chemistry Lab

How many milligrams are there in 1.57 kg?

288. ## math

How would you set up a system of linear equations to find out how many packages of 8 and 12 you would have to buy to have no left?

289. ## Chemistry Lab

Penicillin is an important antibiotic isolated from a type of mold. If you have 0.0468 g Penicillin, C14H20N2SO4MW = 31239 gmol , answer the following questions. A. How many moles of Penicillin do you have? B. What is the number of moles of nitrogen that

290. ## Chemistry Lab

You are given 350 mL a stock solution of 1.66E-02 M benzoic acid, MW = 122.125 g/mol. Answer the following questions. A. What is the number of moles present in the original stock solution? B. You need to dilute the benzoic acid stock solution to 1.24E-03

291. ## Chemistry Lab

You are given 350 mL a stock solution of 1.66E-02 M benzoic acid, MW = 122.125 g/mol. Answer the following questions. A. What is the number of moles present in the original stock solution? B. You need to dilute the benzoic acid stock solution to 1.24E-03