Asked by Pat

A girl places a stick at an angle of 60.0° against a flat rock on a frozen pond. She pushes at an angle and moves the rock horizontally for 2.00 m across the pond at a velocity of 4.00 m/s and a power of 160.0 W. What force did she apply to the stick? How much work did she do? Your response should include all of your work. That way I can see what i don't understand! Thanks
Answered by bobpursley
power=work/time= force*distance/time=force*velocty
now solve for force in the horizontal direction.

Then, using the angle, find the force on the stick.

I will be happy to critique your work.
Answered by Pat
I am still lost! I understand the formula I just don't know what numbers to put where.
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