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Author Question: The only force acting on a 2.0-kg body as it moves along the x axis is given by Fx = (12 - 2.0x) N, ... (Read 208 times)

charchew

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on: Jul 28, 2018
The only force acting on a 2.0-kg body as it moves along the x axis is given by Fx = (12 - 2.0x) N, where x is in m. The velocity of the body at x = 2.0 m is 5.5 m/s. What is the maximum kinetic energy attained by the body while moving in the +x direction?
 a. 36 J
  b. 39 J
  c. 43 J
  d. 46 J
  e. 30 J

Question 2

The only force acting on a 2.0-kg body moving along the x axis is given by Fx = (2.0x) N, where x is in m. If the velocity of the object at x = 0 is +3.0 m/s, how fast is it moving at x = 2.0 m?
 a. 4.2 m/s
  b. 3.6 m/s
  c. 5.0 m/s
  d. 5.8 m/s
  e. 2.8 m/s


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Melissahxx

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Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

B


charchew

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Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

yeungji

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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