answers for 2,3,4,5 plz Work, Power, and Energy 2. An object is moving in the po

Question

answers for 2,3,4,5 plz

Work, Power, and Energy 2. An object is moving in the positive x-direction while a net force directed along the x-axis is exerted the object. The figure shows the force function of posit What the net work done on the object the distance shown? A) End C) 2Fed 3. A ball dropped from rest and falls to the floor. The initial gravitational potential energy ofthe is is 10 J The ball then bownces back up a heighn where the potential energy is J. what was the mechanical ene of the ball-Earth-noor system the instant the ball left the floor? A) 01 C) 7 J D) 10 J

Explanation / Answer

2.)work done = integration (F(x).dx)

work done = Fd + Fd = 2Fd

option C is correct

3.)energy of ball earth floor system when the ball left the floor = 7J

4.)option C is correct

at point 3 both kinetic energy and potential energy are equal

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