Advertisements
Advertisements
Question
Give one example when:
Kinetic energy changes to heat energy.
Advertisements
Solution
When two stones are rubbed against each other, kinetic energy changes to heat energy.
APPEARS IN
RELATED QUESTIONS
Geothermal energy is produced by the:
(a) fission of radioactive materials
(b) burning of coal inside the coal mines
(c) combustion of natural gas deep inside the earth
(d) fusion of radioactive substances
Give one example of a body that has potential energy, due to its position at a height.
Name the type of energy (kinetic energy K or potential energy U) possessed in the given cases:
A moving cricket ball
State different forms of potential energy and give one example of each.
State two advantages of using wind energy for generating electricity.
Two bodies A and B of masses m and M (M ≫ m) have same kinetic energy. Which body will have more momentum?
A ball of mass 0.5 kg slows down from a speed of 5m/s-1 to that of 3m/s-1. Calculate the change in kinetic energy of the ball.
Give one example when:
Electric energy changes to potential energy.
What ts the original source of energy for the electricity produced at a thermal power station?
