Home
Class 11
PHYSICS
A bullet hits a lock kept at rest on a s...

A bullet hits a lock kept at rest on a smooth horizontal surface andgets embedded into it. Which of the following does not change?

A

a linear momentum of the block

B

kinetic energy of the block

C

gravitational potential energy of the block

D

temperature of the block

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • CENTRE OF MASS, LINEAR MOMENTUM, COLLISION

    HC VERMA|Exercise Objective -1|1 Videos

  • CENTRE OF MASS, LINEAR MOMENTUM, COLLISION

    HC VERMA|Exercise Objective 2|11 Videos

  • CENTRE OF MASS, LINEAR MOMENTUM, COLLISION

    HC VERMA|Exercise Short Answer|25 Videos

  • CALORIMETRY

    HC VERMA|Exercise Exercises|18 Videos

  • CIRCULAR MOTION

    HC VERMA|Exercise Exercises|30 Videos

Similar Questions

Explore conceptually related problems

A bullet travelling horizontally hits a block kept at rest on a horizontal surface and gets embedded into it, the two together then move with a uniform velocity. Which one of the following conservation laws holds?

A moving bullet hits a solid target resting on a frictionless surface and gets embedded in it. What is conserved in this process?

A rod of mass m is released on smooth horizontal surface making angle theta with horizontal. Then which of the following statement is correct ?

A bullted of mass m embeds itself in a block of mass M resting on a smooth horizontal surface, attached to a spring of force constant k. If the initial sped of the bullet is v_(0) along horizontal, find (a) the maximum compression of the spring and (b) the time forthe bullet - block system to come to rest.

A bullet of mass m is fired at speed v_0 into a wooden block of mass M. The bullet instantaneously comes to rest in the block. The block with the embedded bullet slides along a horizontal surface with a coefficient of kinetic friction mu . Which one of the following expressions determines how far the block slides before it comes to rest (the magnitude of displacement s is as shown in the figure)?

A charged particle is kept at rest on a smooth horizontal surface in uniform magnetic field 'B' which is directed vertically downward as shown in the figure. An observer is moving with constant velocity v towards right. Then with respect to the observer which of the following statements is/are correct :

A particle of mass m is placed at rest on the top of a smooth wedge of mass M, which in turn is placed at rest on a smooth horizontal surface as shown in figure. Then the distance moved by the wedge as the particle reaches the foot of the wedge is :

No.of identical photons incident on a perfectly black body of mass m kept at rest on smooth horizontal surface. Then the acceleration of the body if n no. of photons incident per sec. is (Assume wavelength of photon to be lambda ):

A horizontal 50 N force acts on a 2 kg crate which is at rest on a smooth horizontal surface. At the instant the particle has gone 2 m, the rate at which the force is doing work is :