A bullet of mass `20g` enters into a fixed wooden block with a speed of `40 ms^(-1)` and stope in it .Find the change in internal energy during the process

A bullet of mass 20g enters into a fixed wooden block with a speed of 40 ms^(-1) and stops in it .Find the change in internal energy during the process

A bullet of mass 20g enters into a fixed wooden block with a speed of 40 ms^(-1) and stops in it .Find the change in internal energy during the process

A bullet of mass 50 g moving with a speed of 300 ms^(-1) is brought to rest in 1 s . Find the impulse and the force .

The work done by a system is 8 J, when 40 J heat is supplied to it. The change in internal energy of the system during the process:

A bullet of mass 50 g enters a block of thickness t with speed of 500 ms^-1 . It emerges with 4% of its initial kinetic energy. The emergent speed is

A bullet of mass 50 g enters a block of thickness t with speed of 500 ms^-1 . It emerges with 4% of its initial kinetic energy. The emergent speed is

A bullet of mass 200 g hits a block of thickness 6 cm with a speed of 100ms^(-1). It emerges with 10% of its initial KE. Find its emergent speed

A bullet of mass 200 g hits a block of thickness 6 cm with a speed of 100ms^(-1). It emerges with 10% of its initial KE. Find its emergent speed

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 100 g strikes a wooden plank with a velocity of 300 ms^-1 and emerges with a velocity 100 ms^-1 .Calculate the work done by the resistive force on the bullet