Posted by joshua on Tuesday, October 19, 2010 at 6:35pm.
how long did it take to get across?
30=5*time
how wide is the river?
W=4t
A 80KG hockey player has a coefficient of friction u=0.08 between her skates and ice. What is the force of friction on the player?
0.08(80 x 9.8)
=62.7N
If the hockey player is coasting, what is the net force?
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