1. A truck is traveling 20 m/s to the left and bill is moving at 4 m/s left.

If you are in Postion A what velocity do you see bill moving at?


2. A cable pulls a 15.0 kg crate at constant speed across a horizontal table.The tension in the cable is 60.0 N. 

1. What is the frictional force and nornal force? 

Guest Feb 26, 2017

1+0 Answers


Please just put one question per post. :)

Melody  Feb 26, 2017

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