A ball of mass 100 gm is projected upwards with velocity `(10 m//s)`. It returns back with `(6 m//s)`. Find work done by air resistance .

A body is projected upwards with a velocity of 19.6 m/s. Find Greatest height it rises.

A ball of mass 150 gm is thrown vertically upward with a velocity of 10m/sec. What is its initial momentum?

A body is projected upwards with a velocity of 19.6 m/s. Find the time of ascend. G = 9.8 m / s^2 .

A ball is thrown vertically upward with speed 10 m//s and it returns to the ground with speed 8 m//s . A constant air resistance acts. The minimum height attained by the ball is

A ball of mass 5.0 gm and relative density 0.5 strikes the surface of the water with a velocity of 20 m/sec. It comes to rest at a depth of 2m. Find the work done by the resisting force in water: (take g = 10 m//s^(2) )

A ball of mass 5.0 gm and relative density 0.5 strikes the surface of the water with a velocity of 20 m/sec. It comes to rest at a depth of 2m. Find the work done by the resisting force in water: (take g = 10 m//s^(2) )

An open lift is moving upward with velocity 10 m//s. It has an upward acceleration of 2 m//s^2. A ball is projected upwards with velocity 20 m//s relative to ground. Find (a) time when ball again meets the lift (b) displacement of lift and ball at that instant. (c) distance travelled by the ball upto that instant. Take g=10 m//s^2

An open lift is moving upward with velocity 10 m//s. It has an upward acceleration of 2 m//s^2. A ball is projected upwards with velocity 20 m//s relative to ground. Find (a) time when ball again meets the lift (b) displacement of lift and ball at that instant. (c) distance travelled by the ball upto that instant. Take g=10 m//s^2