1.

Two particles are moving with velocities y and v2. Their relative velocity is the maximum, when the angle between their velocities is : (a) zero (b) 1/4 (c) t/2 (d) tt

Answer»

Answer:

EXPLANATION:Vrelative=v2-v1

Now

Since v2-v1 should be MAXIMUM

Hence SQ root of v2square+v1square-2v1v2costheta=maxm

Min value of COS THETA =-1 at 180



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