a baseball is dropped on top of a basketball. the speed of each ball right befor

Question

a baseball is dropped on top of a basketball. the speed of each ball right before hitting the ground is 4,0 m/s. the basketball hits the ground, rebounds with the same speed of 4.0 m/s, and collides with the downward moving baseball. after the collision, the baseball moves upward as shown in the figure and the basketball stops. the mass of the baseball is 0.2 kg and the mass of the basketball is 0.5 kg. a) determine the speed of the baseball right after colliding with the upward moving basketball. b) suppose that the collision between the baseball and basketball lasts 3.2 X 10^-3 seconds. what is the average force exerted on the baseball during the collision?

Explanation / Answer

assuming the collision to be purely elastics: applying conservation of energy: 0.5*(0.2+0.5)*4^2 = 0.5*0.2*v^2......solve for v: 7.48 m/s............

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