an object of mass 2 kg is moving with a velocity of 3 metre per second and collides head on with an object B of mass 1kg moving in opposite direction with a velocity of 4 metre per after collision find the common velocity of the both the updates
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formula for common velocity is v2-v1
krishnankumarsingh:
but it's proof
and proper answer
with
photo
bejo
fast
v2-v1/2
or v2+v1/2
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