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Please solve the following questions please give steps in detail.

Asked by 7th March 2013, 11:12 AM
Answered by Expert
Answer:
1)An archer stretches a bow to release an arrow to hot the target at a distance of 10m.Explain who does the work, in which is the form is the energy possessed by the bow and the arrow.::
As the person stretches the bow, he does some work,expending some energy.That energy is stored in the bow as potential energy and then as the arrow is released, it converts to kinetic energy of the arrow.
2. Work is done here by the applied force on the box by you=Fx2 J but work done by the gravitational force on the box=0 as the force here is acting perpendicular to the displacement.
 
 
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Answered by Expert 7th March 2013, 12:05 PM
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