Questions
Two perfectly elastic objects and of identical mass are moving with velocities 15 m/s and 10 m/s respectively, collide along the direction of line ioining
them. Their velocities after collision are respectively
detailed solution
Correct option is A
IN a perfectly elastic collision if the colliding bodies or particles have equal masses then after collision they will exchange their velocities. Let m be the identical mass of two objects ,1 and B we have 15m+10m=mv1+mv2 25=v1+v2 In elastic collision, v2−v1u1−u2=1 or v2−v115−10=1 ∴ v2−v1=5 Solving eqs. (1) and [2), we 8et V2=15m/s and v1=10m/sTalk to our academic expert!
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