Home
Class 9
PHYSICS
[" A bullet of mass "15g" has a speed of...

[" A bullet of mass "15g" has a speed of "400m/s" .What is its kinetic energy "?" If the bullet strikes a thick target "],[" and is brought to rest in "2cm" ,calculate the average net force acting on the bullet.What happens to the "],[" kinetic energy originally in the bullet? "]

Promotional Banner

Similar Questions

Explore conceptually related problems

A bullet of mass 15 g has a speed of 400 m/s. What is its kinetic energy ? If the bullet strikes a thick target and is brought to rest in 2 cm, calculate the average net force acting on the bullet. What happens to the kinetic energy originally in the bullet ?

A 5kg rifle fires a 5g bullet with a speed of 500 m*s^(-1) . What kinetic energy is acquired (i) by the bullet and

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 momentum of a bullet of mass 20 g fired from a gun is 10 kg.m/s. The kinetic energy of this bullet in kJ will be :

A 20 g bullet moving at 300 m/s stops after penetrating 2 cm of bone. Calculate the average force exerted by the bullet .

A machine gun bullet of mass m leaves the barel at a speed of 100 ms^(-1) and has a kinetic energy of 1000 J. what is the mass of bullet ?

A 5kg rifle fires a 5g bullet with a speed of 500 m*s^(-1) . What kinetic energy is acquired (ii) by the the rifle ?

A bullet of mass 12 g strikes a soild surface at a speed of 400m/s. It penetrates to a depth of 3cm.Calculate the average resistance offered to the bullet.

A bullet strikes a plank of thickness 5 cm with a velocity of 1000 m/s and emerges out with a velocity of 400 m/s, the average retardation of the bullet is

A gun of mass M fires a bullet of mass m with maximum speed v. G.T. m lt M . The kinetic energy of the gun will be