Advertisements
Advertisements
प्रश्न
What do you understand by the kinetic energy of the body?
Advertisements
उत्तर
The kinetic energy of a body is the energy possessed by the body by virtue of its state of motion.
संबंधित प्रश्न
Define calorific value of a fuel.
Fill in the blank
An object falling freely from the roof of a multistorey building has ________ and _________ energy when halfway down the building.
Give one example of a body that has potential energy, due to its position at a height.
State two disadvantages of using wind energy for generating electricity.
State the energy changes which take place when:
A stone projected vertically upwards, returns back to the thrower.
State the energy changes which take place when:
Burning of coal.
Give one example when:
Kinetic energy changes to heat energy.
A moving body weighing 400 N possesses 500 J of kinetic energy. Calculate the velocity with which the body is moving. (g = 10 ms2)
Obtain an expression for the kinetic energy of a body of mass m moving with a velocity v?
A good fuel should possess:
