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Sagot :
According to the principle of conservation of momentum, the momentum of the bouncing ball changes.
Also, the ball bounces less than its original height because some energy is lost due to heat, friction and air resistance.
How is momentum conserved in the bounce of balls?
The principle of conservation of momentum states that for any collision occurring in an isolated system, momentum is conserved.
a. For a body such as a ball dropped from a height, the total momentum is conserved.
However, there is a change in momentum of the ball as some of its momentum is transferred to the earth.
b. When the ball a ball of mass M is released from a height H1, it bounces to a height H2, which is about 1/2 of H1.
The value of H2 is less than that of H1 because some of the energy is converted to heat energy due to friction and air resistance, thereby its energy is less than its original value.
Therefore, the momentum of the bouncing ball is changes. Also, the ball bounces less than its original height because some energy is lost due to heat, friction and air resistance.
Learn more about momentum at: https://brainly.com/question/7538238
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