Advertisements
Advertisements
प्रश्न
Find out the form of energy possessed by the following thing.
A rolling ball
Advertisements
उत्तर
Kinetic Energy
APPEARS IN
संबंधित प्रश्न
An object of mass, m is moving with a constant velocity, v. How much work should be done on the object in order to bring the object to rest?
Define the term kinetic energy. Give one example of a body which possesses kinetic energy.
Two toy-cars A and Bof masses 200 g and 500 g respectively are moving with the same speed. Which of the two has greater kinetic energy?
A cyclist doubles his speed. How will his kinetic energy change: increase, decrease or remain same?
Two bodies have masses in the ratio 5 : 1 and their kinetic energies are in the ratio 125 : 9. Calculate the ratio of their velocities.
Write an expression for the kinetic energy of a body of mass m moving with a velocity v.
If the speed of a body is halved, what will be the change in its kinetic energy?
Two objects having equal masses are moving with uniform velocities of 2 m/s and 6 m/s respectively. Calculate the ratio of their kinetic energies.
On a level road, a scooterist applies brakes to slow down from a speed of 10 m/s to 5 m/s. If the mass of the scooterist and the scooter be 150 kg, calculate the work done by the brakes. (Neglect air resistance and friction)
Derive the formula for the kinetic energy of an object of mass m, moving with velocity v.
