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General
Easy
Question
In the figure shown, the two identical balls of mass M and radius R each, are placed in contact with each other on the frictionless horizontal surface. The third ball of mass M and radius R/2, is coming down vertically and has a velocity = v0 when it simultaneously hits the two balls and itself comes to rest. Then, each of the two bigger balls will move after collision with a speed equal to
- None
The correct answer is:
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In the figure shown a hole of radius 2 cm is made in a semicircular disc of radius 6p at a distance 8 cm from the centre C of the disc. The distance of the centre of mass of this system from point C is :
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A uniform chain of length 2L is hanging in equilibrium position, if end B is given a slightly downward displacement the imbalance causes an acceleration. Here pulley is small and smooth & string is inextensible
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If the geometric length of a bar magnet is 60cm, then the magnetic length is ......................cm
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The symbol of cell is ................
The symbol of cell is ................
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The total P.d = .................... volt.
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The total P.d = ................... volt.
The total P.d = ................... volt.
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Find the effective Potential.
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Find total emf :
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Physics-General
