A bullet of mass 0.01 kg is fired horizontal into a 4 kg wooden block block at rest , on a horizontal surface. The coefficient of kinetic friction between the block and bullet is 0.25 the combination moves 20 m before coming to rest . With what speed did the bullet strike the block ?

A bullet of mass 0.01 kg is fired horizontal into a 4 kg wooden block block at rest , on a horizontal surface. The coefficient of kinetic friction between the block and surface is 0.25 the combination moves 20 m before coming to rest . With what speed did the bullet strike the block ?

A bullet of mass 10 gram is fired horizontally into a 5 kg wooden block at rest on a horizontal surface The coefficient of kinetic friction between the block and the surface is 0.1 Calculate the speed of the bullet striking the block if the combination moves 20 m before coming rest .

A block of mass 4 kg is resting on a horizontal table and a force of 10 N is applied on it in the horizontal direction. The coefficient of kinetic friction between the block and the table is 0.1. The work done in sqrt(20) s

A block of 5 kg is resting on a horizontal surface. The coefficient of kinetic friction between the block and the surface is 0.2. What is the acceleration with which the block will remove if a force of 9.8 N is applied to it ?

A block of mass 1kg is at rest on a horizontal table. The coeficient of static friction between the block and the table is 0.5 . The magnitude of the force acting upward at an angle of 60^(@) from the horizontal that will just start the block moving is.

A bullet of mass 50 g moving horizontally with a velocity 210 ms^(-1) gets embedded in a block of mass 1 kg kept on a rough horizontal surface. If the coefficient of kinetic friction between the block and surface is 0.5. The block- bullet system will move a distance of "______" before coming to res t(Acceleration due to gravity =10 ms^(-2)).

A block of mass 0.1 kg is held against a wall by applying a horizontal force of 5 N on the block. If the coefficient of friction between the block and the wall is 0.5, then the magnitude of the frictional force acting on the block is

A block of mass 2kg rests on a rough inclined plane making an angle of 30^@ with the horizontal. The coefficient of static friction between the block and the plane is 0.7. The frictional force on the block is

A 441 gm bullet strikes an d becomes embedded in a 1.54 kg block of wood placed on a horizonatal surface just in front of the gun. If the coefcient of kinetic friction between the block and the surface is 0.28, and the impact drives the block a distance of 18 m before it comes to rest, what was the muzzle speed of the bullet ?

A wooden block of mass M resting on a rough horizontal surface is pulled with a force F at an angle  with the horizontal. If  is the coefficient of kinetic friction between the block and the surface, then acceleration of the block is -