# Physics

posted by .

7. A warship with a mass of 1.5x106 kg, fired a 75 kg shell from a gun with a 3.0 m long barrel in 0.05 seconds.
a. What was the acceleration of the shell?

## Similar Questions

1. ### physics

A cannon is fired horizontally from a platform (see figure). The platform rests on a flat, icy, frictionless surface. Just after the shell is fired and while it is moving through the barrel of the gun, the shell (mass 3.0 kg) has an …
2. ### physics

A shell is fired from a gun with a muzzle velocity of 466m/s at an angle of 57.4 degrees with the horizontal. At the top of the trajectory, the shell explodes into two fragments of equal mass. One fragment, whose speed immediately …
3. ### principles of pysics

A cannon with a long barrel fires a shell faster because the shell experiences a greater ____________________. A) change in inertia. B) impulse. C) acceleration. D) None of these.
4. ### principles of physics

6. A cannon with a long barrel fires a shell faster because the shell experiences a greater ____________________. A) change in inertia. B) impulse. C) acceleration. D) None of these.
5. ### physics

The largest-caliber antiaircraft gun operated by the German air force during World War II was the 12.8 cm Flak 40. Suppose this weapon fired a 26.2 kg shell with a muzzle speed of 800 m/s. What propulsive force was necessary to attain …
6. ### physics

a shell of mass 0.020 kg is fired by a gun of mass 100kg.if the muzzle speed of the shell is 80m/s.what is the recoil speed of the gun
7. ### Physics

A 2.50 kg fireworks shell is fired straight up from a mortar and reaches a height of 110. m. (a) Neglecting air resistance (a poor assumption, but we will make it for this example), calculate the shellâ€™s velocity when it leaves the …
8. ### physics

A cannon is fired horizontally from a platform . The platform rests on a flat, icy, frictionless surface. Just after the shell is fired and while it is moving through the barrel of the gun, the shell (mass 3.2 kg) has an acceleration …
9. ### physics

a gun,kept on straight horizontal ground is used to hit a car, traveling along the same road away from the gun with a uniform speed of 72km/h.The car is at a distance of 500m from the gun. when the gun is fired at an angle of 45 degrees …
10. ### physics

the paris gun of world war I was a super gun capable of firing a 234lb shell about 81 miles away. these shells are also the first man made objects to make it to a stratosphere. the length of the barrel of one of these guns was about …

More Similar Questions