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For Competitive Exams

When the speed of a body is doubled, its kinetic energy becomes

quadruple
half
double
one-fourth
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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

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A horse pulling a tonga moves forward due to the force exerted by

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The period of revolution of a geostationary satellite is

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Atmospheric pressure is measured with a

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Earth`s seasons are caused by which of the following?

Answer
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