When a bullet fired from a gun strikes the target, the target becomes hot.

Answer the following questions: When a bullet is fried from a gun, it pierces through a wooden plank, but the same bullet when thrown with hand hardly scratches it. Explain why.

When a bullet is fired from the gun, the gun moves in backward direction. This motion is called as

Answer the following questions: When a bullet is fired from a gun, the gun recoils. Explain why.

Write the following statement in Mathematical form, when 5 is subtracted from length and breadth of the rectangle, the perimeter becomes 26.

The initial speed of a shell is 140 m/s. At what angle must the gun be fined if the projectile is to strike a target at the same level as the gun? [The gun and the target are 1000 m apart]

An aeroplane is flying at a constant horizontal velocity of 600 km/hr at an elevation of 6 km towards a point directly above the target on the earth's surface. At an appropriate time, the pilot releases a ball so that it strikes the target at the carth. The ball will appear to be falling

Assertion : A bullet is fired from a rifle. If the rifle recoils freely, the kinetic energy of rifle is more than that of the bullet. Reason : In the case of rifle bullet system the law of conservation of momentum violates.

When a ray of light travels from air to glass and strikes the surface of separation at 90^@ ,then it