Advertisements
Advertisements
प्रश्न
उत्तर
APPEARS IN
संबंधित प्रश्न
State two factors on which the kinetic energy of a moving body depends.
A boy of mass m climbs up a staircase of vertical height h.
(a) What is the work done by the boy against the force of gravity?
(b) What would have been the work done if he uses a lift in climbing the same vertical height?
State two advantages of producing electricity from solar energy.
A body of mass 5 kg falls from a height of 10 m to 4 m. Calculate:
The total energy possessed by the body at any instant? (Take g = 10 ms-2).
What do you understand by the potential energy of the body?
What do you understand by the kinetic energy of the body?
How is kinetic energy possessed by a moving body measured?
Obtain an expression for the potential energy of a body of mass m at a height h above the ground.
What ts the original source of energy for the electricity produced at a thermal power station?
Geothermal energy is:
