A bullet of mass 100gm moving with a velocity of `100ms^(-1)` just pierces through a plank of 100cm thick.If it is 50cm thick it emerges with a velocity

A ball of mass 100 g is moving with a velocity of 100 msec^(-1) . Find its wavelength.

A bullet of mass 10gm moving with a horizontal velocity 100m//s passes through a wooden block of mass 100gm . The block is resting on a smooth horizontal floor. After passing through the block the velocity of the bullet is 10m//s the velocity of the emerging bullet with respect to the block is .

A lead bullet of mass 50g moving with a velocity of 100ms^(-1) strikes a target. If 40% of the heat produced is retained by the bullet, calculate the rise in its temperature. Specific heat of lead = 0.03 cal g^(-1)K^(-1) and J = 4.2 J cal^(-1)

A body of mass 10 mg is moving with a velocity of 100 ms^(-1) . The wavelength of the de Broglie wave associated with it would be

A bullet when fixed at a target with a velocity of 100 ms^(-1) , penetrates one metre into it. If the bullet is fired with the same velocity as a similar target with a thickness 0.5 metre, then it will emerge from it with a velocity of

In CID serial (on TV), Abhijeet fires a bullet of mass 100 g with a speed of 100ms^(-1) on a soft plywood of thickness 4 cm the bullet emerges with 10% of its initial KE. Find the emergent speed of the bullet.

A bullet weighing 10g is fired with a velocity of 800ms^(-1) . After passing through a mud wall 1m thick, its velocity decreases to 100ms^(-1) . Find the average resistance offered by the mud wall.

A bullet weighing 10 g is fired with a velocity of 800 ms^(-1) . After passing through a mud wall 1 m thick, its velocity decreases to 100 ms^(-1) . Find the average resistance offered by the mud wall.

A cricket ball of 0.5 kg is moving with a velocity of 100ms^(-1) . The wavelength associated with its motion is :