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mgl sin q + ½ mv2
mgl sin q
mgl cos q
mgl cos q + ½ mv2
A medical use thermometer has a kink in its hair tube?
A metal ball and a rubber ball, both having the same mass, strike a wall normally with the same velocity. The rubber ball rebounds and the metal ball does not rebound. It can be concluded that
A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole
A mirage occurs because of
A mirror produces magnified erect image of an object. The nature of the mirror is
A motor running on electricity at the rate of 400 W raises a block of weight 120 N. If the block moves 8 m vertically in 4 s, the efficiency of the motor is
A moving body on Earth ordinarily comes to rest by itself because of the
A moving bullet hits a solid target resting on a frictionless surface and gets embedded in it. What is conserved in this process?
A moving coil instrument can be used to measure
A moving neutron collides with a stationary a - particle. The fraction of the kinetic energy lost by the neutron is