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प्रश्न
An iron sphere of mass 10 kg has the same diameter as an aluminium sphere of mass 3.5 kg. Both the spheres are dropped simultaneously from a tower. When they are 10 m above the ground, they have the same :
पर्याय
acceleration
momentum
potential energy
kinetic energy
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उत्तर
Momentum, potential energy and kinetic energy depend on the mass of the body. So, the answer is acceleration as it is independent of mass.
Therefore, the answer is,
(a) Acceleration
संबंधित प्रश्न
State the condition under which the mechanical energy is conserved.
State whether the object possess kinetic energy, potential energy, or both :
A bird running on the ground ____________.
What kind of energy is possessed by the following?
A running car ____________
What kind of energy is possessed by the following?
A stretched rubber band _____________
Name the device which converts electrical energy into mechanical energy.
Fill in the blanks with suitable words:
When a ball is thrown upwards, ___________ energy is transformed into ___________ energy.
Fill in the blanks with suitable words :
The principle of ___________ of energy says energy can be transformed from one form to another, but it cannot be ___________ or ___________.
What kind of energy transformation take place at a hydroelectric power station?
A bulb lights up when connected to a battery. State the energy change which takes place :
Explain the transformation of energy in the following cases :
(i) A ball thrown upwards.
(ii) A stone dropped from the roof of a building.
