Advertisements
Advertisements
Question
State the energy changes that occur in the following :
Burning coal while operating a steam engine.
Solution
Chemical energy of coal changes to heat energy of the steam. Heat energy changes into mechanical energy.
APPEARS IN
RELATED QUESTIONS
State the energy changes in the following case while in use:
A ceiling fan
Energy can exist in several forms and may change from one form to another. State the energy changes that occur in a loaded truck when started and set in motion.
Energy can exist in several forms and may change from one form to another. State the energy changes that occur in a car going uphill.
Energy can exist in several forms and may change from one form to another. State the energy changes that occur in respiration.
Energy can exist in several forms and may change from one form to another. State the energy changes that occur in the Explosion of crackers.
Can any object have mechanical energy even if its momentum is zero? Explain.
The power of a motor pump is 2 kW. How much water per. the minute the pump can raise to a height of 10 m? (Given g = 10m s−2)
The energy conversion in a washing machine is from ______.
For burning of coal in a thermoelectric station, the energy conversion taking place is:
State the energy changes in the following case while in use:
An electric cell in a circuit
