# Physics

posted by Sarah

Calculate the velocity of a 6kg riffle that shoots a 0.025kg bullet at a speed of 615m/s.

1. Steve

if you mean the recoil speed, then just conserve momentum (mv)

6v = 0.025*615

## Similar Questions

1. ### Physics - Dynamics in two dimensions

A sharpshooter shoots the bullet horizontally over level ground with a velocity of 300m/s. At the instant that the bullet leaves the barrel, its empty shell casing falls vertically and strikes the ground with a vertical velocity of …
2. ### Physics

A gunman shoots from a riffle in a horizontal direction without correcting for gravity. How much below the intended target, at a horizontal distance, will the bullet strike if its initial speed is Vo?
3. ### Physics

A gunman shoots from a riffle in a horizontal direction without correcting for gravity. How much below the intended target, at a horizontal distance, will the bullet strike if its initial speed is Vo?
4. ### physics

.A 5.5kg riffle fires an 11gram bullet with a velocity of 1000m/s. a. find the velocity of a riffle?
5. ### physics

A 4 g bullet leaves the muzzle of a riffle with a speed of 350 m s-1. What force is exerted on the bullet when it is travelling down the 0.85 m long barrel of the rifle?
6. ### physics

a .025kg bullet is fired upward through a .36kg block. the block goes .17meters and the bullet goes up 24 m in the air. what is the initial velocity of the bullet?
7. ### Physics

A rifle shoots a 4.1g bullet out of it's barrel. The bullet has a muzzle velocity of 975 m/s just as it leaves the barrel. Assuming a constant horizontal acceleration over a distance of 43.0 cm starting from rest, with no friction …
8. ### Physics

A hunter holds a 3kg rifle and fires a bullet of mass 5g with a muzzle velocity of 300m/s. What is the final kinetic energy of the bullet and the riffle?
9. ### Physics

a bullet fired at a wooden block of thickness 0.15m manages to penetrate the block. if the mass of the bullet is 0.025kg and average resisting force of the wood is 7x 10^3 N , Calculate the sppeed of the bullet just before it hits …
10. ### science

A bullet of mass 40g strikes a stationary wooden block of mass 6kg horizontally at 500m/s the bullet goes through the block,and emerges from from the other side at 200m/s.calculate the velocity of the block once the bullet emerges …

More Similar Questions