Physics Railway tracks are banked on curves to avoid frictional force between the tracks and wheels necessary centripetal force may be obtained from the horizontal component of the weight of the train necessary centrifugal force may be obtained from the horizontal component weight of the train the train may not fly off in the opposite direction to avoid frictional force between the tracks and wheels necessary centripetal force may be obtained from the horizontal component of the weight of the train necessary centrifugal force may be obtained from the horizontal component weight of the train the train may not fly off in the opposite direction ANSWER DOWNLOAD EXAMIANS APP
Physics When a piece of stone is immersed in water, it displaces water of equal Volume Specific gravity Density Mass Volume Specific gravity Density Mass ANSWER DOWNLOAD EXAMIANS APP
Physics A body of mass 2 kg is thrown upward with initial velocity of 20 m/s. After 2 seconds, its kinetic energy will be : (g = 10 m/s2) 400 J 200 J 100 J 0 J 400 J 200 J 100 J 0 J ANSWER DOWNLOAD EXAMIANS APP
Physics The motion of a body that repeats itself after a regular interval of time is A simple harmonic motion A periodic motion An oscillatory motion An aperiodic motion A simple harmonic motion A periodic motion An oscillatory motion An aperiodic motion ANSWER DOWNLOAD EXAMIANS APP
Physics Anemometer is an instrument meant for measuring ________ Air masses Wind speed Temperature Velocity Air masses Wind speed Temperature Velocity ANSWER DOWNLOAD EXAMIANS APP
Physics Friction is caused by the ________ on the two surfaces in contact. Densities Gaps Smoothness Irregularities Densities Gaps Smoothness Irregularities ANSWER DOWNLOAD EXAMIANS APP
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