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Soumyaranjan Nath from Delhi Public School , Angul
Subject :NSO    Class : Class 9

A body of mass m1 moving with a uniform velocity v collides with another body of mass m2 at rest and then the two together begin to move with a velocity


A9 : 1
B12 : 1
C16 : 1
DData insufficient


how

Ans 1:

divanshi from sacred heart convent school, barnala
Class : Class 4
I AM NOT ABLE TO UNDERSTAND THE SOLUTION

Ans 2:

Kshithy G Nair from Chinmaya Vidyalaya Tripunithura, Kochi
Class : Class 8
as momentum is conserved, m1v=(mi m2)3/2v mi=(m1 m2)3/2 ( mutiply both sides )by rearranging and substituting 3m1=m2 the i got is 9

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