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There is change only in magnitude
There is change only in direction
There is change in both magnitude and direction
There is no change
A particle is acted upon by a force of constant magnitude which is always perpendicular to the velocity of the particle. The motion of the particle takes place in a plane. It follows that
A particle is moving in a uniform circular motion with constant speed v along a circle of radius r. The acceleration-of the particle is
A particle is moving in translatory motion. If momentum of the particle decreases by 10%, kinetic energy will decrease by
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