2) A small ball with mass m made of a somewhat elastic material is dropped from a height ho. In the very act of bouncing on the ground, it loses 10 % ( implement as "q = 0.9") of its kinetic energy to internal energy (heat, structural deformation inside the ball, etc.), but bounces back. a. What are the kinetic energy and velocity of the ball just before hitting the ground? b. What are the kinetic energy and velocity of the ball just after bouncing off the ground? c. To what height will the ball bounce back? d. To what height will the ball bounce back after n bounces? e. If ho= 10 m, m = 1 kg, starting with ho, plot the bounce-back height versus bounce #.

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2) A small ball with mass m made of a somewhat elastic material is dropped from a height
ho. In the very act of bouncing on the ground, it loses 10% (implement as "q = 0.9") of its
kinetic energy to internal energy (heat, structural deformation inside the ball, etc.), but
bounces back.
a. What are the kinetic energy and velocity of the ball just before hitting the
ground?
b. What are the kinetic energy and velocity of the ball just after bouncing off the
ground?
c. To what height will the ball bounce back?
d. To what height will the ball bounce back after n bounces?
e. If ho= 10 m, m = 1 kg, starting with ho, plot the bounce-back height versus
bounce #.
Transcribed Image Text:2) A small ball with mass m made of a somewhat elastic material is dropped from a height ho. In the very act of bouncing on the ground, it loses 10% (implement as "q = 0.9") of its kinetic energy to internal energy (heat, structural deformation inside the ball, etc.), but bounces back. a. What are the kinetic energy and velocity of the ball just before hitting the ground? b. What are the kinetic energy and velocity of the ball just after bouncing off the ground? c. To what height will the ball bounce back? d. To what height will the ball bounce back after n bounces? e. If ho= 10 m, m = 1 kg, starting with ho, plot the bounce-back height versus bounce #.
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