Home
Class 11
PHYSICS
One end of a light spring of spring cons...

One end of a light spring of spring constant k is fixed to a wall and the other end is tied to a block placed on a smooth horizontal surface. In a displacement, the work by the spring is `1/2kx^2`. The possible cases are

A

the spring was initially compresed bya distance x and was finaly in its natural length

B

it was initially in its natural distance x and finally was in its natural length

C

it was initially in its natural lenth and finaly in a compressed position.

D

it was initially in its natural length and finally in a stretched positon.

Text Solution

Verified by Experts

The correct Answer is:
A, B
Promotional Banner

Topper's Solved these Questions

  • WORK AND ENERGY

    HC VERMA|Exercise Objective -2|2 Videos

  • WORK AND ENERGY

    HC VERMA|Exercise Exercises|64 Videos

  • WORK AND ENERGY

    HC VERMA|Exercise Objective 1|10 Videos

  • WAVE MOTION AND WAVES ON A STRING

    HC VERMA|Exercise Exercises|57 Videos

Similar Questions

Explore conceptually related problems

One end of a light spring of spring constant k is fixed to a wall and the other end is tied to a block placed on a smooth horizontal surface. In a displacment, the work done by the spring is +(1/2)kx^(2) . The possible cases are.

One end of a spring of force constant k is fixed to a vertical wall and the other to a blcok of mass m resting on a smooth horizontal surface. There is another wall at distance x_(0) from the block. The spring is then compressed by 2x_(0) and released. The time taken to strike the wall is

One end of aspring of force constant k is fixed to a verticle wall and the other to a block of mass m resing on a smooth horizontal surface There is another and wall at a distance x_(0) from the block The spring is then compressed by 2x_(0) and released The time taken to at the wall is

One end of a light spring constant k and natural length l_(0) is fixed and the other end is attached to a block of mass m lying on smooth horizontal surface. If the block is rotating in the horizontal circle of radius l , find the frequency of the revolution.

A block of mass m is attached to one end of a mass less spring of spring constant k. the other end of spring is fixed to a wall the block can move on a horizontal rough surface. The coefficient of friction between the block and the surface is mu then the compession of the spring for which maximum extension of the spring becomes half of maximum compression is .

One end of a light spring of natural length d and spring constant k is fixed on a rigid wall and the other is attached to a smooth ring of mass m which can slide without friction on a vertical rod fixed at a distance d from the wall. Initially the spring makes an angle of 37^(@) with the horizontal as shown in fig. When the system is released from rest, find the speed of the ring when the spring becomes horizontal. [ sin 37^(@) = 3/5]

One end of a spring of force constant K is fixed to a vertical wall and other to a body of mass m resting on smooth horizontal surface. There is another wall at a distance of sqrt(3)x_(0) from the body. If all the collisions are elastic and spring is compressed by 2x_(0) and released, then the time period of oscillation is

One end of a light spring of natural length 4m and spring constant 170 N/m is fixed on a rigid wall and the other is fixed to a smooth ring of mass (1)/(2) kg which can slide without friction in a verical rod fixed at a distance 4 m from the wall. Initially the spring makes an angle of 37^(@) with the horizontal as shown in figure. When the system is released from rest, find the speed of the ring when the spring becomes horizontal.

In the figure shown, a spring of spring constant K is fixed at on end and the other end is attached to the mass 'm' . The coefficient of friction between block and the inclined plane is mu . The block is released when the spring is in tis natural length. Assuming that the theta gt mu , the maximum speed of the block during the motion is.

Two blocks of masses 6 kg and 3 kg are attached to the two ends of a massless spring of spring constant 2 pi^(2) N//m . If spring is compressed and released on a smooth horizontal surface then find the time period (in seconds) of each block.