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questtosuccess
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Show that the kinetic energy of the Earth after a collision can be ignored (stuck & desperately need help)?
A ball of mass m2 is dropped and bounces off the floor. If the impact is viewed as an elastic collision between the ball and the earth, show that the kinetic energy of the Earth after the collision can be ignored.
Use equations:
v’1= (m1-m2/ m1+m2) v1
v’2= (2m1/m1+m2) v1
I don't even know where to begin... please help !
A ball of mass m2 is dropped and bounces off the floor. If the impact is viewed as an elastic collision between the ball and the earth, show that the kinetic energy of the Earth after the collision can be ignored.
Use equations:
v’1= (m1-m2/ m1+m2) v1
v’2= (2m1/m1+m2) v1
I don't even know where to begin... please help !
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