An object, starting from rest, moves with constant acceleration of 4 m/s2. After 8 s, its speed is
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An Odometer is an instrument used to measure ____ in automobiles.
The speed of the light is maximum in
If I is the current through a wire and e is the charge of an electron, then the number of electrons crossing in t seconds will be given by
Echocardiogram is more closely related to
Calculate the work done by the force of gravity when a satellite moves in an orbit of radius 40,000 km around the earth.
Why does a piece of cloth, which appears green in sunlight, appear black when it is viewed under red light?
A force of 20 N displaces an object through 2 m and does a work of 20 J. The angle between the force and displacement is
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