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a ball of mass m1 experiences a perfectly elastic collision with a stationary ball of mass m2. What fraction of the K.E. does the striking ball lose if, a) it recoils at right angles to te original direction of motion, and b) the collision is head on

a ball of mass m1 experiences a perfectly elastic collision with a stationary ball of mass m2. What fraction of the K.E. does the striking ball lose if,
a) it recoils at right angles to te original direction of motion, and
b) the collision is head on

Grade:12

2 Answers

mohit yadav
54 Points
9 years ago

the final kinetic energy of the ball is M13 V23/(m2-m1)2

athmaja
40 Points
7 years ago
a ball of mass m1 experiences a perfectly elastic collision with a stationary ball of mass m2. What fraction of the K.E. does the striking ball lose if, a) it recoils at right angles to te original direction of motion, and b) the collision is head on
 
 a. 2m1/(m1+m2)
 b. 4m1m2/(m1+m2)^2​
is the answer for above question.

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