Question

Duration : 3
Asphere of mass 2 le moving with a velocity collides elastically with another sphere which is at rest. If after the collision the first sphe
same direction with its velocity reduced to one third of its initial velocity, find the mass of the second sphere.
(6) 0510
(C) 0.25 kg
(D) 0.75 kg
A​

Answer 1

Answer:

(C) 0.25 kg......i think so..

Answer 2

Answer:

i think the answer is option a