ball is thrown upwards and caught when it comes back down. In the absence of air resistance, the speed of the ball when caught would be    two times as the speed it had when thrown upwards.   less than the speed it had when thrown upwards.   more than the speed it had when thrown upwards.   the same as the speed it had when thrown upwards.

Q: 38: Page No. 527: A wire carrying a 30 A current pass between the poles of a strong magnet that is…

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Q: If the energy received by 7 m? area in 6 minutes is 4290KJ. Calculate the value of Solar constant ?

A: Energy recieved (E) = 4290 kJ Area (A) = 7 m2Time (t) = 6 minutes

Q: Two pieces of puffed rice become equally charged as they are poured out of the box and into the…

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Q: 30 cm 30 cm 40 cm 30° m, 50 g m, 75 g

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Q: 8. The motion of a body of mass m, gravitationally attracted to Earth in the presence of a resisting…

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Q: As an aid in working this problem, consult Concept Simulation 25.3. A convex mirror has a focal…

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!