A 20 kg ball moving with a velocity 6 ms−1 collides with a 30 kg ball initially at rest .if both of them coalesce ,then final velocity of the combined mass is

May 10, 2022

by Ezee_Notes

with no comment

Physics Problems

Question: A 20 kg ball moving with a velocity 6 ms−1 collides with a 30 kg ball initially at rest .if both of them coalesce ,then final velocity of the combined mass is

(A) $6ms^{-1}$

(B) $6ms^{-1}$

(D) $2.4ms^{-1}$

Answer: Option (D)

Solution:

A 20 kg ball moving with a velocity 6 ms−1 collides with a 30 kg ball initially at rest .if both of them coalesce ,then final velocity of the combined mass is