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Q. A particle of mass m moving with a speed u strikes a smooth horizontal surface at an angle (alpha).The particle rebounds at angle(beta) with a speed v.Determine the expression for v and beta if the coefficient of restitution is e.

Q. A particle of mass m moving with a speed u strikes a smooth horizontal surface at an angle (alpha).The particle rebounds at angle(beta) with a speed v.Determine the expression for v and beta if the coefficient of restitution is e.

Grade:11

1 Answers

SAGAR SINGH - IIT DELHI
878 Points
13 years ago

Dear student,

The coefficient of restitution is given by

C_R = \frac{v_b - v_a}{u_a - u_b}
= e

Relation is:
u tan theta= e v tan theta


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Sagar Singh

B.Tech, IIT Delhi


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