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Author Question: It takes 40 J to push a large crate 4 m across a floor. The force exerted on the crate is A) 4 N. ... (Read 102 times)

wrbasek0

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on: Jul 29, 2018
It takes 40 J to push a large crate 4 m across a floor. The force exerted on the crate is
 
  A) 4 N.
  B) 10 N.
  C) 40 N.
  D) 160 N.
  E) 1600 N.

Question 2

At the same moment, one rock is dropped and one is thrown downward with an initial velocity of from the top of a building that is 300 m tall. How much earlier does the thrown rock strike the ground? Neglect air resistance.
 
  What will be an ideal response?


ebonylittles

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

2.4 s


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wrbasek0

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Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


ebonylittles

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Reply #3 on: Jul 29, 2018
Great! Please up vote :D


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