A block of mass \( m \) is placed on a surface with a vertical cross-section given by \( y=x^{3}...
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1A block of mass \( m \) is placed on a surface with a vertical cross-section given by \( y=x^{3} / 6 \). If the coefficient of friction is \( 0.5 \), the maximum height above the ground at which the block can be placed without slipping is
(A) \( \frac{1}{6} \mathrm{~m} \)
(B) \( \frac{2}{3} \mathrm{~m} \)
(C) \( \frac{1}{3} \mathrm{~m} \)
(D) \( \frac{1}{2} \mathrm{~m} \)
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