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A particle of mass m is moving along a straight path through the origin of coordinates with a velocity v. The angular momentum of the particle about the origin
A particle of mass m moves in a circular path of radius r at constant speed v. Its KE is
A periscope works by the principle of
A periscope works on the principle of
A permanent magnet can affect
A person can jump higher on the moons surface than on the earth because:
A person is hurt on kicking a stone due to
A person is sitting in a car which is at rest. The reaction from the road at each of the four wheels of the car is R. When the car runs on a straight level road, how will the reaction at either of the front wheels vary?
A person is standing in front of a wall and makes a sound. What should be the normal minimum distance between the person and the wall , so that the person hears echo?
A person standing on a railway platform listens to the whistles of arriving and departing trains. The whistle heard is
