A bullet of mass 20 g travelling horizontally with a speed of 500 m/s passes through a wooden block of mass 10.0 kg initially at rest on a level surface. The bulet emerges with speed of 100 m/s and the block slides 20 cm on the surface before coming to rest. Find the friction cioefficient between the block and the surface figure.

A bullet fired horizontally with a speed of 400m/sec. It strikes a wooden block of mass 5kg initially at rest placed on a horizontal floor as shown in the figure.It emerges with a speed of 200m/sec and the block slides a distance 20cm before coming to rest.Find the coefficient of friction between block and the surface.Mass of bullet is 20g . (take g=10 m/s^(2) )

A bullet of mass 10 g moving horizontally with a speed of 400 m//s a block of mass 390 g and remains in it. The block slides 10 m on rough surface before coming to rest. The friction coefficient is

A 4.00g bullet travelling horizontally with a velocity of magnitude 500m//s is fired into a wooden block with a mass of 1.00kg , initially at rest on a level surface. The bullet passes through the block and emerges with speed 100m//s . The block slides a distance of 0.30m along the surface from its initial position. (a) What is the coefficient of kinetic friction between block and surface? (b) What is the decrease in kinetic energy of the bullet? (c) What is the kinetic energy of the block at the instant after the bullet has passed through it? Neglect friction during collision of bullet with the block.

A 4.00g bullet travelling horizontally with a velocity of magnitude 500m//s is fired into a wooden block with a mass of 1.00kg , initially at rest on a level surface. The bullet passes through the block and emerges with speed 100m//s . The block slides a distance of 0.30m along the surface from its initial position. (a) What is the coefficient of kinetic friction between block and surface? (b) What is the decrease in kinetic energy of the bullet? (c) What is the kinetic energy of the block at the instant after the bullet has passed through it? Neglect friction during collision of bullet with the block.

A bullet of mass 10 g travelling horizontally with a velocity of 150 m s^-1 strikes a stationary wooden block and comes to rest in 0.03 s. Calculate the force exerted by the wooden block

A bullet of mass 10 g travelling horizontally with a velocity of 150 m s^-1 strikes a stationary wooden block and comes to rest in 0.03 s. Calculate the distance of penetration of the bullet into the block.

A bullet of mass 10g travels horizontally with speed 100m//s and is absorbed by a wooden block of mass 900 g suspended by a string. Find the vertical height through which the block rises. Given g=10m//s^(2)

A bullet of mass 10 g travels horizontally with a speed of 100 m*s^(-1) and penetrates in a wooden block of mass 990 g suspended by a string . Find the vertical height through which the block rises. Take g=10m*s^(-2) .

A bullet of mass 10 kg moving horizontally at a speed 140 m//s strikes a block of mass 100 g attached to a string like a simple pendulum. The bullet penetrates the block and emerges on the other side. If the block rises by 80 cm , find final velocity of bullet.

A bullet of mass 20 g moving horizontally at a speed of 300 m/s is fired into a wooden block of mass 500 g suspended by a long string. The bullet crosses the block and emerges on the other side. If the centre of mass of the block rises through a height of 20.0 cm, find the speed of the bullet as it emerges from the block.