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प्रश्न
What kind of energy is possessed by the following?
A stretched rubber band _____________
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उत्तर
A stretched rubber band possesses elastic potential energy.
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संबंधित प्रश्न
A metal ball of mass 2 kg is allowed to fall freely from rest from a height of 5 m above the ground. Taking g = 10 m s−2, calculate:
- the potential energy possessed by the ball when it is initially at rest.
- the kinetic energy of the ball just before it hits the ground?
State whether the object possess kinetic energy, potential energy, or both :
A ceiling fan in the off position ______________
A boy weighing 40 kg makes a high jump of 1.5 m.
What is his kinetic energy at the highest point?
Water stored in a dam possesses :
Fill in the blank with suitable word:
The electricity meter installed in our homes measure electrical energy in the units of ___________.
What kind of energy transformations take place at a coal-based thermal power station?
How much electrical energy in joules does a 100 watt lamp consume : in 1 minute?
Write the energy transformations which take place in an electric bulb (or electric lamp).
Name the energy transfers which occur when :
an electric ball rings
An object is falling freely from a height x. After it has fallen a height `pi/2` , it will possess :
