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Author Question: A mover slides a refrigerator 5 meters across a floor. If a force of 200 N was used, how much work ... (Read 19 times)

Lobcity

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on: Jul 28, 2018
A mover slides a refrigerator 5 meters across a floor. If a force of 200 N was used, how much work was done?

Question 2

A railroad car with a mass of 20,000 kg rolls into a second stationary car with a mass of 40,000 kg. The cars latch together and move off with a speed of 1.2 m/s. How fast was the first car moving before the collision?


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s.meritte

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

1,000 J

Answer to Question 2

3.6 m/s


Lobcity

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Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

duy1981999

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Reply 3 on: Yesterday
Wow, this really help

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