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A comet is moving in a parabolic path around the Sun in the same plane as the orbit of Earth (without any collision with the Earth, obviously!). Determine the maximum time that this comet can spend within the Earth's orbit, w ...
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A point source S of light is emitting power P.A sphere of radius r is situated at distance R from source S (R>>>r),has mass M ans specific heat capacity C. Find the time in which temperature of sphere rises by θ°C ...
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A perfectly elastic ball is thrown from the foot of a plane inclined at an angle θ to the horizon . If after striking the plane at a distance ' l ' from the point of projection it rebounds and retraces its former path , find ...
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A comet is moving in a parabolic path around the Sun in the same plane as the orbit of Earth (without any collision with the Earth, obviously!). Determine the maximum time that this comet can spend within the Earth's orbit, w ...
