Advertisements
Advertisements
प्रश्न
Which would have a greater effect on the kinetic energy of an object : doubling the mass or doubling the velocity?
Advertisements
उत्तर
Kinetic energy of a body is directly proportional to the mass and square of velocity of the moving body. So, doubling the velocity will have a greater effect on the kinetic energy of a body.
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?
Calculate the work required to be done to stop a car of 1500 kg moving at a velocity of 60 km/h?
Certain force acting on a 20 kg mass changes its velocity from 5 m s-1 to 2 m s-1. Calculate the work done by the force.
A car is moving with a speed of 15 km h-1 and another identical car is moving with a speed of 30 km h-1. Compare their kinetic energy.
When a ball is thrown inside a moving bus, does its kinetic energy depend on the speed of the bus? Explain.
A car is accelerated on a levelled road and attains a speed of 4 times its initial speed. In this process, the kinetic energy of the car :
Which of the following does not posses the ability to do work not because of motion?
Derive the formula for the kinetic energy of an object of mass m, moving with velocity v.
When the speed of a moving object is doubled, then its kenetic energy ______.
When a bell fixed on a cycle rings, then the energy conversion that takes place is ______.
