Work Energy And Power Question 277

Question: Mass m1 strikes m which is at rest. The ratio of masses for which they will collide again (collision between ball and wall are elastic, coefficient of restitution between m1andm2 is e and all the surfaces are smooth.)

Options:

A) <e2+e

B) >2e2+e

C) e2(2+e)

D) None of the above

Show Answer

Answer:

Correct Answer: A

Solution:

[a] m1v=m1v1+m2v2

e=2v1v for limiting condition m1m2<e2+e



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