A hollow sphere has radius \( 6.4 \mathrm{~m} \). Minimum
\( \mathr... VIDEO
A hollow sphere has radius \( 6.4 \mathrm{~m} \). Minimum
\( \mathrm{P} \)
velocity required by a motor cyclist at bottom to
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complete the circle will be
(1) \( 17.7 \mathrm{~m} / \mathrm{s} \)
(2) \( 10.2 \mathrm{~m} / \mathrm{s} \)
(3) \( 12.4 \mathrm{~m} / \mathrm{s} \)
(4) \( 16.0 \mathrm{~m} / \mathrm{s} \)
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