A body is projected vertically up with velocity u from the ground in the presence of constant air resistance R of it reaches the ground with a velocity 'V' then time of descent

A stone projected vertically up with velocity v from the top of a tower reaches the ground with velocity 2 v The height of the tower

A stone projected vertically up with velocity v from the top of a tower reaches the ground with velocity 2v .The height of the tower is

A ball is thrown vertically upward with a velocity u from the top of a tower. If it strikes the ground with velocity 3u, the time taken by the ball to reach the ground is

A body is projected vertically upward from the surface of the earth, then the velocity-time graph is:-

A body is projected vertically up with a velocity v and after some time it returns to the point from which it was projected. The average velocity and average speed of the body for the total time of flight are

A body is projected vertically up with a velocity v and after some time it returns to the point from which it was projected. The average velocity and average speed of the body for the total time of flight are

A body projected vertically upwords from the top of a tower reaches the ground in t_(1) second . If it projected vertically downwards from the some top with same velocity ,it reaches the ground in t_(2) seconds . If it is just dropped from the top it reaches the ground in t second .prove that t=sqrt(t_(1)t_(2))

A body is released from a height 5R where R is the radius of the earth. Then that body reaches the ground with a velocity equal to

A stone thrown upward with a speed u from the top of a tower reaches the ground with a velocity 4u. The height of the tower is