1.

A man (mass = 50 kg) and his son (mass = 20 kg) are standing on a frictionless surface facing each other. The man pushes his son so that he starts moving at a speed of 0.70 ms⁻¹ with respect to the man. The speed of the man with respect to the surface is :(A) 0.47 ms⁻¹(B) 0.28 ms⁻¹(C) 0.14 ms⁻¹(D) 0.20 ms⁻¹

Answer»

ANSWER:

(B)

EXPLANATION:

the answer is B.

follow me



Discussion

No Comment Found

Related InterviewSolutions