A mass of 2kg falls from a height of 40 ...

A mass of 2kg falls from a height of 40 cm on a spring with a force constant of 1960 N/m. The spring is compressed by (take `g=9.8m//s^2`)

10 cm

1.0 cm

20 cm

5 cm

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

WORK AND ENERGY
CHHAYA PUBLICATION|Exercise EXERCISE (Very short Answer Type Questions)|30 Videos
WORK AND ENERGY
CHHAYA PUBLICATION|Exercise EXERCISE (short Answer Type Questions-I)|10 Videos
WORK AND ENERGY
CHHAYA PUBLICATION|Exercise HIGHER ORDER THINKING SKILL (HOTS) QUESTIONS|38 Videos
WBCHSE QUESTION PAPER -2019
CHHAYA PUBLICATION|Exercise SECTION - II ( GROUP -D)|10 Videos

Similar Questions

Explore conceptually related problems

A body of mass 2 kg is dropped from a height of 40 cm on a spring cushion of spring constant 1960 N*m^(-1) . What will be the compression of the spring ?

A marble ball of mass 50 g , falls from a height of 5 m on a horizontal plane and rebounces to rise up to a height of 3.2 m. if the collision lasts for (1)/(10) s, find the impulsive force imparted by the plane and the impulse of the ball. (g = 10 m cdot s^(-2) )

A hammer of mass 4 kg, falling from a height of 50 cm, hits a nail, partially fixed on a surface, and stops in 0.1 s. find the force exerted on the nail in N.

When a mass of 4 kg is hung from the lower and of a spring.IF elongates by 1cm.(i) What is the force constant of the spring? (ii) If a load of 2kg is hung from the lower end of the spring , then find its elongation.

A body of mass 20 kg falls from a height of 20 m on the earth's surface. If the resistance offered by the surface is 10000 N , how far will the body penetrate? (g = 10 m cdot s^(-2) )

A rubber ball of mass 100 g falls from a height of 1 m rebounds to a height of 40 cm. Find the impulse and the average force between the ball and the ground if time during which they are in contact was 0.1 s.

Two identical bodies, each of mass m, are connected by a spring having spring constant k and they are placed on a frictionless floor. The spring is compressed a little and then released. What will be the frequency of oscillation of the system?

A body of mass 10 kg is raised to a height of 10 m with an upward force of 196 N . Find the work done by the upward force and the work done against gravitation. Show that the total energy in this case is equal ot the work done by the upward force . [g=9.8 m*s^(-2) ]

CHHAYA PUBLICATION-WORK AND ENERGY-EXERCISE (Multiple Choice Questions)

Force acting on a particle is (2hati+3hatj) N. Work done by this forc...
Text Solution
|
A particle of mass m accelerating uniformly has velocity v at time t1 ...
Text Solution
|
A mass of 2kg falls from a height of 40 cm on a spring with a force c...
Text Solution
|
A gardener pushes a lawn roller through a distance 20m. If he applie...
Text Solution
|
Power required to raise a mass of 120 kg vertically upwards at a veloc...
Text Solution
|
A machine, applying a constant power is driving an object along a stra...
Text Solution
|
A windmill generates electrical energy. Suppose, the windmill converts...
Text Solution
|
A particle moves with a velocity 5hati -3hatj+6hatkm//s under the infl...
Text Solution
|
A quater horse power motor runs at a speed of 600 rpm. Assuming 40% ef...
Text Solution
|
Energy of a body thrown upward is
Text Solution
|
A particle is moving in a straight line such that its retardation is ...
Text Solution
|
Starting from rest a car moves on a plane. The coefficient of friction...
Text Solution
|
A particle falls from rest under the action of gravity . Variation of ...
Text Solution
|
A long spring is stretched by 2 cm. its potential energy is U . If th...
Text Solution
|
In which of the following cases the potential energy is defined
Text Solution
|
A body of mass m thrown vertically upwards attains a maximum height h....
Text Solution
|
For a moving particle (mass m, velocity v) having a momentum p, which...
Text Solution
|
The potential energy of a system increases if work is done
Text Solution
|
Two bodies of masses 4 kg and 5kg are moving with equal momentum. The...
Text Solution
|
A particle of mass m at rest in acted upon by a force P for a time t. ...
Text Solution
|