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Author Question: Two identical freight cars roll without friction (one at 1 m/s, the other at 2 m/s) toward each ... (Read 32 times)

ashley

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on: Jul 29, 2018
Two identical freight cars roll without friction (one at 1 m/s, the other at 2 m/s) toward each other on a level track. They collide, couple together, and roll away in the direction of
 
  A) the slower car.
  B) the faster car.
  C) neither, for they stop.

Question 2

If all people, animals, trains and trucks all over the world began to walk or run towards the east (opposite the direction of Earth's spin), then
 
  A) Earth would spin a bit faster.
  B) Earth would spin a bit slower.
  C) Earth's spin would not be affected at all.


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otokexnaru

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

Answer: B

Answer to Question 2

Answer: B


ashley

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Reply 2 on: Jul 29, 2018
Gracias!

deja

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Reply 3 on: Yesterday
:D TYSM

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