A stone of 1 kg is thrown with a velocity of 20 m s-1 across the frozen surface of a lake and comes to rest after travelling a distance of 50 m. What is the force of friction between the stone and the ice?

An object of mass 5 kg is moving with a velocity of 10 ms ^(-1). A force is aplied so that in 20 s, it attains a velocity of 25 ms ^(-1). What is the force aplied on the object ?

A body rolled on ice with a velocity of 8 ms^(-1) comes to rest after traveling a distance of 4m for this situation which of the following pair is correct

A body of mass 1 kg is thrown upwards with a velocity 20 ms^(-1) . It momentarily comes to rest after attaining a height of 18 m. How much energy is lost due to air friction ? (Take g = 10 ms^(-2) )

A car started from rest and it is travelling with velocity of 20 m/s in 10 s. What is its acceleration?

Consider the situatioin shown in figure. The system is released from rest and the block of mass 1.0 kg is found to have a speed 0.3 m/s ater it has descended thrugh a distance of 1 m. find the coefficient of kinetic friction between the block and the table.