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A body falls freely from a height of 80 m. Time taken to reach the ground is:
Who defined the law of gravitation?
Calculate the work done when a force of 10 N moves an object 5 m at 60° angle to direction of force.
Suns heat reaches us by –
A gas is compressed at constant temperature. Which of the following will decrease?
A body of mass 2 kg is moving in SHM with angular frequency 4 rad/s and amplitude 0.1 m. Max kinetic energy is:
Which of the following is the correct set-up for electrolytic refining of silver?
A spring of spring constant 500 N/m is compressed by 5 cm. The potential energy stored is:
Which of the following is not a characteristic of prokaryotic cells?
The force required to maintain an object at a constant velocity is