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A particle enters uniform constant magnetic field region with its initial velocity parallel to the field direction. Which of the following statements about its velocity is correct? (neglect the effects of other fields)
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:
