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A skier plans to ski a smooth fixed hemisphere of radius R.He start from rest from a curved smooth surface of height (r/4).The angle theta at which he leaves the hemisphere:A)cos^-1 (2/3)b)cos^-1 (5/3)c)cos^-1 (5/6)d)cos^-1 (5/2)ans (c)
Dear neerajit will leave the hemishphere when normal reaction by hemishpher will be zero
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