When the speed of a body is doubled, its kinetic energy becomes
quadruple
half
double
one-fourth
When the speed of a body is doubled, its kinetic energy becomes
Who propounded the universal law of gravitation |
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It is easier to roll a barrel than to puss it because |
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If an apple is released from an orbiting spaceship, it will |
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The gravitational force with which sun attracts the earth is |
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The weight of a body is |
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A ball tied with a string to a rotating shaft revolves at uniform speed. As the shaft is suddenly bought to rest the string starts getting round the shaft with the angular velocity of the ball |
Answer |
A horse pulling a tonga moves forward due to the force exerted by |
Answer |
The period of revolution of a geostationary satellite is |
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Atmospheric pressure is measured with a |
Answer |
Earth`s seasons are caused by which of the following? |
Answer |