Saturday
November 29, 2014

Homework Help: physics

Posted by JC on Saturday, November 20, 2010 at 4:23pm.

The water skier in the figure is at an angle of 35degree with respect to the center line of the boat, and is being pulled at a constant speed of 15m/s .

1)If the tension in the tow rope is 90.0 , how much work does the rope do on the skier in 30.0 ?

2)How much work does the resistive force of water do on the skier in the same time?

i keep getting the answers wrong for 1) i did p=F.V 15*90=1260*30s <-w=pt and the answer to that was wrong

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