Monday, May 11, 2015

Last minute practice

Find the time for a ball to fall 7-m from rest.  If the ball had been kicked horizontally at 4 m/s, how far would it have traveled?

Heading west in a motorboat at 15 m/s, you encounter a 5 m/s current north.  At the end of 400-m, how far off course are you?  And how much time did you spend to get there?

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