# 1.3 /73.814 In significant digit notation, divid, and the answer to two significant digits. I will be happy to critique your work

71,152 questions, page 482
1. ## World History (CHECK ANSWERS!)

In what way did Hammurabi's Code set a precedent in law making? -It was the first set of laws, either secular or religious(my answer) -It provided specific punishments for specific offenses -It gave the ruler complete power over the people -It limited

asked by Bel on August 29, 2016
2. ## Algebra

Alfred is saving up money for a down payment on a house. He currently has \$4185, but knows he can get a loan at a lower interest rate if he can put down \$5019. If he invests the \$4185 in an account that earns 4.1% annually, compounded quarterly, how long

asked by Tim on October 9, 2015
3. ## physics

An engineer in a locomotive sees a car stuck on the track at a railroad crossing in front of the train. When the engineer first sees thecar, the locomotive is 310 m from the crossingand its speed is 10 m/s.If the engineerâ€™s reaction time is 0.39

asked by nelly on August 29, 2010
4. ## Physics

Having landed on a newly discovered planet, an astronaut sets up a simple pedulum of length 1.29 m and finds that it makes 567 oscillations in 1020 s. The amplitude of the oscillations is very small compared to the pendulum's length. What is the

asked by Katy on January 7, 2010
5. ## Physics

Please help. Thanks. 1. Volt meter measures the potential between two large parallel plates to be 60 volts. The plates are 3cm apart. Find the magnitude of the electric field between them. 2. What work is done when 5C is raised potential by 12.45 volts? *

asked by Jezrell on July 5, 2012

What is the length of a diagonal of a square with sides 16 ft long? Round to the nearest tenth. & The length of the hypotenuse of an usosceles right traingle is 30 meters. Find the area of the triangle. Round to the nearest tenth, if necessary. Any help?

7. ## Science

If the 2nd ice age happened, would dolphins be able to survive? I am doing research at the same time as asking this question so I'm not just depending on the site, but I do need an answer before tomorrow. Thanks so much, London Sure. They could just

asked by London on June 3, 2007
8. ## Chemistry-Acids

Write a balanced chemical equation to show the reaction that occurs when each weak acid reacts with water. (Omit states-of-matter from your answer. Use the lowest possible whole number coefficients.) (b) HCHO2 I've gotten a and c correct, and from that I

asked by Bridget on May 3, 2015
9. ## English

In "The Canterbury Tales" Chaucer uses the pilgrimage primarily as a device to ___________. A.emphasize the characters' religious aspirations B.frame the stories told by individual characters C.describe the rigors of medieval life D.create a vivid and

asked by Beth on October 23, 2012
10. ## ALegbra

If an apartment complex will need painting in 3 1/2 years and the job will cost \$25,000, what amount needs to be deposited into an account now in order to have the necessary funds? The account pays 8% interest compounded semiannually. (a) State the type of

asked by Mary Ann on May 16, 2014
11. ## Physics

A baseball is hit so that it travels straight upward after being struck by the bat. A fanobserves that it takes 3 seconds for the ball to reach it's maximum height. Find the balls initial velocity and the height it reaches. My teacher gave me a similar

asked by Ri on September 9, 2016

A store is designing a new catalog for its fall collection. Which of the following is LEAST likely to increase the store's credibility? (a) Creating a glossy photo layout with a varety of pictures (b) Stating the facts about each product (c) Promising

asked by Carol on November 4, 2011
13. ## Chemistry

15.00g of ammonium nitrate decomposes into an expandable container acoording to the following equation. 2NH4NO3 ==> 2N2 g + 4H2O g + O2 g which has the highest partial pressure a. N2 b. H2O c. O2 i am not sure how to approach this problem. is there a

asked by Anonymous on October 4, 2016
14. ## personality and Social Development

treavor is unable to engage in nonverbal comunication behaviors, and his language tends to be imitative ,He pays little attention to the people around im, prefering to sit and play intensely at activities requiering repetative motions.Travor is desplaynid

asked by daniela on July 25, 2014
15. ## English

1. Based on the reading selections in Unit 3 of Journeys in Literature, consider the varied purposes the authors had for writing. What do they reveal about diversity (variety) within the new nation? Note: Do not write about issues with diversity as we see

asked by Linda on November 11, 2015
16. ## Social studies

1. The silk road latrading route lasted for centuries and streactched 4.000 miles from china to= my answer the eastern mediterannean sea4. what is one acheivment of the tang dinasty? the compleation of the grand canal. the buliding of the taj mahal and

17. ## Theories in Science

Why are theories "not proven"? Typically because they involve observations that are beyond our limits. Speculating about the universe is theory because of the size of the universe. Similarly, wetheorize about sub-atomic particles because we can't see what

asked by Amanda on September 14, 2006
18. ## Art

An artist creates a painting of the Cinco de Mayo celebration originating in the state of Puebla, Mexico, honoring ideals of freedom and democracy. What colors is the artist most likely to use to convey the high energy of this festivity? pale blues and

asked by Carmen33 on April 15, 2019
19. ## History

What ongoing change is further complicating China’s ability to feed its people? A. Members of China’s middle class are refusing to become farmers. B. The Chinese dietary preference is switching from rice to meats. C. Agricultural workers are moving

asked by Sergio on February 15, 2019
20. ## AP Art History

The association of imperial power with religious figural art, evident at todai-ji, reflects which of the following? A) a blend of Shinto and ancient Chinese cultures B) a combination of Hindu and Tibetan influences C) both Buddhist and Islamic focus on

asked by Aylin on October 24, 2018
21. ## english

I posted this before with my answer as the one being wrong as b, but that was wrong. CAn someone explain to me the one that doesn't make sense out of the four. a. The private hospital has never been accredited.... b. The crew's incompetent performance on

asked by kayla on September 7, 2008
22. ## physics

An oceanic depth-sounding vessel surveys the ocean bottom with ultrasonic waves that travel 1530 m/s in seawater. How deep is the water directly below the vessel if the time delay of the echo to the ocean ﬂoor and back is 8 s? Answer in units of m 004

asked by ally on September 20, 2013
23. ## Biology

MEIOSIS 1)name the process unique to meiosis that occurs during bivalent formation that may increase genetic diversity? 2)how are sister chromatic made and what is the structure that holds them together? 3)what do we call package of genetic information

asked by sk on February 22, 2016
24. ## personal finance

Hal Thomas wants to establish a savings fund from which a community organization could draw \$800 a year for 20 years. If the account earns 3 percent, what amount would he have to deposit now to achieve this goal? (Round time value factors to 3 decimal

asked by pat on February 6, 2015
25. ## AP Art History

The association of imperial power with religious figural art, evident at todai-ji, reflects which of the following? A) a blend of Shinto and ancient Chinese cultures*** B) a combination of Hindu and Tibetan influences C) both Buddhist and Islamic focus on

asked by Aylin on October 22, 2018

Selecting concrete words 22. we have found that young men are best for this work. 23. She makes good grades 24. John lost a fortune in Las Vegas. 25. if we don't receive the goods soon we will cancel. 26.some years ago she made good money 27. His grades on

asked by efi on October 18, 2011
27. ## Math

Please help me with the following problem, I have submitted the answer: 88.2 and was told that it was incorrect. The word problem reads: If you do not consider air resistance, gravity causes a falling object to descend a distance of (9.8)t2 where t is the

28. ## Language

Write the complete subject in each sentence. 1/The sound of the piano mixes with the sound of the voices. 2/Beautiful music floats on the evening air. 3/Their next-door neighbors hear the music. 4/mrs. Ruiz listens from her window. 5/The tired woman falls

asked by Joji on October 26, 2013
29. ## physics

An accelerating voltage of 2.46 * 10^3 V is applied to an electron gun, producing a beam of electrons originally traveling horizontally north in vacuum toward the center of a viewing screen 34.0 cm away. What is the magnitude of the deflection on the

asked by Rachel on April 5, 2011
30. ## American History

Critics of American policy in Vietnam claimed all of the following except that a. the war was a civil conflict in which the United States had no part. b. the president had subverted the role of Congress in declaring war. c. the North Vietnamese Communists

asked by CM on April 30, 2008
31. ## enlish

why do authors use rhetorical devices in essays? a. to simplify the meaning of the main idea b. to increase the credibility of the essay c. to evoke a personal response from readers d. to show their skill as diverse writers e. to compare two or more essays

asked by catie on March 9, 2017
32. ## AP US History

How did the compromises made when writing and ratifying the Constitution encourage the development of political factions? Compare and Contrast the effectiveness of Washington?s and Adams' presidencies in obeying and promoting the Constitution during their

asked by Andrea on September 26, 2012
33. ## social studies

What conditions caused by World War I led to the outbreak of the Russian Revolution? A.the takeover of Russia by Germany B.the death of millions of Russians in battle C.the invasion of Russia by Britain and France D.the Russian victory over the Central

asked by freeze help on January 25, 2019
34. ## Chemistry

I've literally been trying to understand this for hours: MgCI2 does not decompose when heated. A student inadvertently uses hydrochloric acid, HCI, instead of nitric acid in this experiment, thus forming MgCI2 rather than MgO as a product. What numerical

asked by Em on October 18, 2011
35. ## Math

The table below shows the height (in inches) and weight (in pounds) of eight basketball players. Height=67 69 70 72 74 74 78 79 Weight=183 201 206 220 226 240 253 255 What is the correlation coefficient of the set of data? Round your answer to the nearest

asked by Kaai97 on January 25, 2016
36. ## statistics

Bill wants to write the equation that demonstrates the model for explaining quarter-life crisis. He is using optimism, locus of control, income, and years since completing college as explanatory variables. Which of the following equations is most

asked by Lara on February 17, 2011
37. ## History

How did Saul rule the people of ancient Israel **** 1, He conquered neighboring Judah and Canaan. 2, He set up a religious empire modeled after the Persians 3, He unted twelve tribes under on king. 4, He wrested power from Nebuchadezzar I think the answer

asked by Sage on September 11, 2016
38. ## social studies

The number of multiple births (twins, triplets, etc.) has grown rapidly in the United States since 1980. The main reason for this increase is that: A. studies show that people are having more frequent intercourse. B. less frequent intercourse has resulted

asked by phia on September 28, 2012

Picture: Contemporary Retro Molded Black Accent Plastic Dining Armchair with Wood Eiffel Legs its the first picture in google. This wooden and plastic chair design by Ray and Charles Eames communicates a a sense of which artistic charateristic? A. Balance

asked by Anonymous on April 22, 2015
40. ## American Government

I need help with the following question I am not sure if the answer is B or C. General Revenue Sharing offers states and localities even greater flexibility than block grants because they? A.are given a blank check. B.are completely unaccountable to the

asked by Molly on October 5, 2014
41. ## Physics

Three identical small Styrofoam balls of mass 1.53 g are suspended from a ﬁxed point by three nonconducting threads, each with a length of 56.4 cm and negligible mass. At equilibrium the three balls form an equilateral triangle with sides of 31 cm. What

asked by John on April 12, 2012
42. ## physics

hi- I have a problem I can't seem to get right. here it is. "A retired bank president can easily read the fine print of the financial pages when the news paper is held no close than arm's length, 66.4 cm from the eye. What should be the focal length of an

asked by Ty on June 8, 2008
43. ## management

I have a question I would like to know if you agree with my answer. How does the nature of management jobs create the possibility for ethical abuses? Ethical abuse can be intentional such as taking resources for personal use or mishandling information or

asked by RT on September 25, 2010
44. ## Biology

The Clydesdale is a large breed of horse that was used for specific farming purposes such as plowing and pulling wagons. The biggest and most muscular male horses were crossed with the biggest and most muscular females to produce the strongest offspring

asked by Anonymous on February 7, 2019
45. ## human biology

I hope someone can help me answer this queestion: which of the following does NOT involve the sharing of electrons? H20, HCl, NaCl, H2 or C6, H12, O6 and why? The last three compounds you listed do not exist. Among the others, NaCl does not share

asked by sophia on March 18, 2007
46. ## math

Good day to you. How can I approach this math problem. "To save for a child's education, the Petersens deposited \$2500 into an account that pays 6% annual interest compounded daily. Find the amount of interest earned on this account over a 20-year period".

asked by Cliff on October 23, 2011
47. ## social studies

A socialist economy is characterized by: A. an extensive reliance on markets to allocate final goods and services. B. an extensive reliance on the profit motive to govern resource allocation decisions C. elimination of the problem of scarcity since all

asked by ciara on December 20, 2010
48. ## Literary Analysis and Composition I

1. What roles do the adults or older figures play in the lives of the various narrators? Select a figure from each of the four memoirs and write one sentence answering the question for each memoir. Answer: 1. Barrio Boy- 2. A Cub Pilot- 3. No Gumption- 4.

asked by Lilith on September 19, 2012
49. ## Art

Picture: Contemporary Retro Molded Black Accent Plastic Dining Armchair with Wood Eiffel Legs its the first picture in google. This wooden and plastic chair design by Ray and Charles Eames communicates a a sense of which artistic charateristic? A. Balance

asked by Dove on April 22, 2015
50. ## History

How did Dorothea Dix's study of prison conditions in Massachusetts and Europe change American beliefs? She argued that poverty causes lawbreaking. She argued that innocent people are imprisoned. She showed that mental illness is treatable. She showed that

asked by Carla on May 3, 2018
51. ## math,correction

is this correct? simplify: ((1+(2)/(3))/((2+(1)/(2)) My answer: (2)/(3) assuming that 2/3 and 1/2 are separate fractions, 8/3 x 5/2 40/6 20/3 hmm.. perhaps you need to check your arithmetic. unless i'm wrong, which wouldn't be surprising It is hard to read

asked by jasmine20 on April 20, 2007
52. ## chemistry

Suppose 3.50g each of sulfamic acid and sodium nitrite were allowed to react together. What would be the theoretical yield, in moles, of N2. Equation: NaNO2 + NH3SO3 -> N2 + H2O + NaHSO4 Notes: The theoretical yield of N2 can be calculated from the amounts

asked by Failure on November 9, 2015
53. ## Physics

An electron with speed 2.35×107m/s is traveling parallel to a uniform electric field of magnitude 1.16×104N/C . How far will the electron travel before it stops? A=0.135m How much time will elapse before it returns to its starting point? I solved for the

asked by James on February 16, 2014
54. ## Math

How do I get the common multiple of 12, 20, and 35? I am not sure I understand the process. I have 18 toy vans I give7 to lexiev. and 2 to kaitlynne how many do I stil have The common multiple is the number that can be divided evenly by all three numbers.

asked by Anonymous on June 9, 2007
55. ## Health care

Please check my answer thanks :) By creating a committe on social welfare, the Americain Association of Labor Legislation helped to 1. decrease public hospital costs 2. implement fee schedules 3. implement health care coverage for the working class and

asked by Michalea on February 23, 2008
56. ## Physics Thanks

Please help... Let g be the acceleration due to gravity at the surface of a planet of radius R. Which of the following is a dimensionally correct formula for the minimum kinetic energy K that a projectile of mass m must have at the planet's surface if the

asked by Kelly on May 13, 2007
57. ## biology help?

We anticipate the evidence gathered by you will indicate that three of the five species are in greater need of prioritising for conservation compared with the other two. You should start your account by very briefly explaining why these two species were

asked by centya on February 21, 2013
58. ## Cultural Diversity

I am working on an autobiographical research paper that analyzes the influences of race as it relates to your community. Can someone please answer a few of the following questions to help me with different openions on the subject? Thank you! Do members of

asked by Russell on December 30, 2006
59. ## Algebra 1

In a right triangle c=90 degrees a=52 degrees b = 38 degrees the base length =11 What is the hypotenuse length? a-6.8 b-8.7 c-14.0 d-17.9 my answer is 17.9 d

asked by Steve on March 29, 2015
60. ## maths

rationalise 5+2square root 5 divided by square root 5. please can someone help me on how to get the answer 2+square root 5

asked by anonymous on September 9, 2010
61. ## maths

rationalise 5+2square root 5 divided by square root 5. please can someone help me on how to get the answer 2+square root 5

asked by nabiha on September 9, 2010
62. ## FFA

is FFA is only for high schoolers or it's for high schoolers and middle schoolers????? Please answer this question.

asked by Laruen on December 31, 2011
63. ## Math HELP!

The length of the hypotenuse of a right triangle is 15 ft. The length of one leg is 9 ft. Find the length of the other leg. A. 6 ft. B. 21 ft. C. 12 ft. D. 18 ft. Is the answer C? Thank you

asked by Callie on November 5, 2014
64. ## maths

rationalise 5+2square root 5 divided by square root 5. please can someone help me on how to get the answer 2+square root 5

asked by anonymous on September 9, 2010
65. ## math

At the animal shelter, 1/3 of the animals are dogs, 2/12 are cats, and 19 are other animals. How many animals are at the shelter? is the answer 22?? help me please

asked by Lynnese on April 8, 2009

In this question how do you know when to add or subtract?? Simplify 100^12/100^8 A.100^12/8 B.100^96 C.100^4 D.100^20 Is the answer C or D?? Thank you

asked by penny on May 19, 2015
67. ## statistics

Answer the following: What does it mean to say that x = 152 has a standard score of +1.5? What does it mean to say that a particular value of x has a z-score of -2.1? In general, what is the standard score a measure of?

asked by Laly on January 24, 2008
68. ## geometry

If a triangle has a 4 meter side and a 9 meter side, between what lengths could the last side be? I have the answer, but I can't figure out why/how. Thanks!

asked by Katie on December 12, 2017

How can the right equation be converted into the answer on the left? (sec^4x)(tan^2x)=(tan^2x + tan^4x)sec^2x

asked by Misty on October 26, 2011
70. ## Algebra2

can somenone please check my answer and if i'm doing it right.... The sum of a number and 17 more than twice the same number is 101. N+17(2)=101 N=67? N + (2N +17)= 101 3N = 84 Take it from there THANK YOU! =)

asked by Anonymous on July 25, 2007
71. ## Math

The mean of a set of four test scores is 85. If three of the test scores are 81,83, and 85, what is the fourth test score? A. 89 B. 87 C. 91 D. 85 Is the answer A? Thank you

asked by Anonymous on April 5, 2015
72. ## to: bobpursley

asked by Sophie on September 8, 2013
73. ## Algebra

Simplify x/6x-x^2 I know that the answer is 1/6-x but the answers look like this: A. 1/6-x where x is not equal to 0,6 B. 1/6-x where x is not equal to 6 Please help me with understand why is says x is not equal to, I have like 5 problems just like this so

asked by Dani on May 7, 2018
74. ## math

The length of the hypotenuse of a right triangle is 26 cm the length of one leg is 24 cm. find the length of the other leg? is the answer 10?

asked by Mel❤nie on December 19, 2018
75. ## math

I think of a number,multiply it by 3 and add 7.i get the Same answer if I multiply the number by 4 and subtract 12.find the number

asked by Juli on November 23, 2016
76. ## physics.

The fastest recorded pitch in the MLB was thrown by Nolan Ryan in 1974. If this pitch were thrown horizontally, the ball would falll .809m (2.65 ft) by the time it reached home plate, 18.3 m away (60 ft). The acceleration of gravity is 9.81 m/s^2. How fast

asked by Autumn on October 25, 2010
77. ## Assistance Dogs

Please check my answer thanks:) After a dog learns to perform a specific task, the task must then be generalized to various locations. The task must then be _______, so that the dog is able to perform the response despite any distractions such as crowds,

asked by Malie on January 7, 2009
78. ## Physics

A car travelling with constant acceleration increases its speed from 10 m/s to 50 m/s over a distance of 60 m . how long does this take? a. 2 seconds b. 4 seconds . Data : Avg Velocity = 10 + 50 / 2 = 30m/s Distance = 60 meter time = ? Solution : S= V x T

asked by Shahab Mirza on July 12, 2015

two cards are dealt in succession from a standard deck of cards. what is the probability that the second card is red give that the first card was a heart. so i do p(R/H), then i know you go R*H/H. but how do i get the probability please explain! thanks. if

asked by Kennedy on January 19, 2009
80. ## statistics

the quality control inspector of a production plant will reflect a batch of syringes if two or more defectives syringes are found in a random sample of ten syringes taken from the batch of two percent defective syringes.what is the probability that the

asked by gaio on December 7, 2010
81. ## Chemistry

Oops I posted the right question but wrong answer options... What mass of propane (C3H8) is needed to produce 346g carbon dioxide in the following reaction? C3H8(g)+5O2(g)->3CO2(g)+4H2O(g) A. 346g C3H8 B. 115g C3H8 C. 5075g C3H8 D. 1.86g C3H8

asked by Amy on August 27, 2013
82. ## Physics

A student throws a baseball at a large gong 73 m away and hears the sound of the gong 1.7744 s later. The speed of sound in air is 330 m/s. What was the average speed of the base- ball on its way to the gong? (For simplicity, assume its trajectory to be a

asked by Leslie on May 8, 2011
83. ## CHEM

To identify a diatomic gas (X_2), a researcher carried out the following experiment: She weighed an empty 1.00-L bulb, then filled it with the gas at 1.10atm and 23.0 degrees celsius and weighed it again. The difference in mass was 1.27g . Identify the

asked by Kara on October 24, 2008
84. ## physics

A man cleaning his apartment pushes a vac- uum cleaner with a force of magnitude 57.6 N. The force makes an angle of 25.3◦ with the hor- izontal floor. The vacuum cleaner is pushed 2.71 m to the right along the floor. Calculate the work done by the 57.6

asked by Edgar on December 14, 2014
85. ## social studies

I have another Civil War question. How did the war split families and divide friends? My answer-- It pitted brother against brother, parents against their children, and neighbor against neighbor. For example, John Crittenden had two sons who were generals

asked by Reed on August 28, 2011
86. ## Physics

A particle travels between two parallel ver- tical walls separated by 39 m. It moves to- ward the opposing wall at a constant rate of 8.8 m/s. It hits the opposite wall at the same height. The acceleration of gravity is 9.8 m/s2 . 39 m 9.8 m/s2 8.8 m/s a)

asked by Bethany on September 18, 2011
87. ## ECONOMICS HELP

a draft system, whether professional sports or the military, enable those who are hiring to A.avoid paying a living wage B.produce what they produce at a lower cost C.educe the cost of labor D.transfer part of the cost of labor to someone other than

asked by Brittany on October 11, 2010
88. ## Physics

Assume that all of the mass of a bicycle wheel is concentrated at its rim. Such a wheel of mass 1.2 kg and radius 30 cm starts from rest at the top of a hill 100m long and inclined at 20 degrees to the horizontal. What will be the speed of the wheel at the

asked by kelsey on March 25, 2014
89. ## Science

The fictitious compound, arrhenium fluoride (AhF), reacts with itself to form a dimer with the formula Ah2F2. The reaction is second order in AhF. The value of the rate constant is 1.091×10−3 M−1s−1. What is the initial rate of reaction in a reactor

asked by Shelly on December 5, 2012
90. ## physics

The fastest recorded pitch in the MLB was thrown by Nolan Ryan in 1974. If this pitch were thrown horizontally, the ball would falll .809m (2.65 ft) by the time it reached home plate, 18.3 m away (60 ft). The acceleration of gravity is 9.81 m/s^2. How fast

asked by autumn on October 25, 2010
91. ## Financial maths year 9

Sophie borrowed \$2000 at a simple interest rate of 15% for 3 years to repay the loan and has \$900 in interest. If Sophie's interest was calculated at the same rate on the balance owing, how much would she have owed after 6 months if she repaid \$40 per

asked by Laura on March 2, 2017
92. ## Algebra!!!

Complete this sentence with the correct choice: y = 4 is a horizontal line with ________. undefined slope. a slope of 4. a slope of 0. None of the above will make a true statement. Think this through... If y=4, then x can be any number, but y will always

asked by Margie on November 1, 2006
93. ## chemistry

The fictitious compound, arrhenium fluoride (AhF), reacts with itself to form a dimer with the formula Ah2F2. The reaction is second order in AhF. The value of the rate constant is 2.591×10−3 M−1s−1. What is the initial rate of reaction in a reactor

asked by mike on November 29, 2012
94. ## statistics

I don't know where to start with this one. What is the formula and how do I go about answering this? Question: If one of the 255 subjects is randomly chosen, what is the probability that the person prefers orange juice, given they are over 40? Round your

asked by Looking for someone to check my answer on March 16, 2010
95. ## chemistry

The fictitious compound, arrhenium fluoride (AhF), reacts with itself to form a dimer with the formula Ah2F2. The reaction is second order in AhF. The value of the rate constant is 2.091×10−3 M−1s−1. What is the initial rate of reaction in a reactor

asked by Anonymous on December 8, 2012
96. ## biology

A person(between 11-17) gets up and goes somewhere after sitting 20 mins in a place then he stops at a place for his work but a blackish region surrounds his face for 5secs and he falls on the ground ?after 10secs he feels that now his brain is ok and he

asked by satyajit on September 14, 2013
97. ## physics

A soccer player kicks the ball toward a goal that is 27.8 m in front of him. The ball leaves his foot at a speed of 18.5 m/s and an angle of 30.4° above the ground. Find the speed of the ball when the goalie catches it in front of the net. (Note: The

asked by Kelly on January 26, 2012
98. ## physics

In an arcade game a 0.099 kg disk is shot across a frictionless horizontal surface by compressing it against a spring and releasing it.If the spring has a spring constant of 244 N/m and is compressed from its equilibrium position by 4 cm, find the speed

asked by Anonymous on March 18, 2013
99. ## physics

A jet makes a landing traveling due east with a speed of 100 m/s. If the jet comes to rest in 15.0 s, what is the magnitude and direction of its average acceleration? due west or due east? How can I solve this question? You don't have to give me the answer

asked by freshmen on October 4, 2012
100. ## chemistry

The fictitious compound, arrhenium fluoride (AhF), reacts with itself to form a dimer with the formula Ah2F2. The reaction is second order in AhF. The value of the rate constant is 5.591×10−3 M−1s−1. What is the initial rate of reaction in a reactor

asked by maliya on November 30, 2012