Mass A is released from the top of a frictionless inclined plane 18 m long and reaches the bottom 3s later. At the instant when A is released a second mass B is projected upwards along the plate from the bottom with a certain initial velocity.
Mass B is travels a distance up the plane, stops and returns to the bottom so that it arrives simultaneously with A. The two masses do not collide. Initially velocity of A is
Text Solution
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Here for 
or 
for B , time taken to move up is given by, 
( 
the relation 
at here becomes 
).
Distance moved up is given by the relation 
i.e., 
and 
or 
But 
hen 
or 
or 
or u 
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