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Unformatted text preview: 11.49 Block A moves down with a constant velocity of 1 m/s. Deter
mine (a) the velocity of block C, (b) the velocity of collar B relative to block
A, (c) the relative velocity of portion D of the cable with respect to block A. h 1‘4 ’
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, 11.147 A projectile is launched from point with an initial vel , W Va of 120 ills at an angle of 30° with the vertical. Determine the radiii, ‘, curvature of the trajectory described by the projectile (a) at point A, (b
R“ the point on the trajectory where the velodty is parallel to the incline. \ /3> )
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O0 12.29 A s‘px'ing AB of consténfk ‘is 'at'taéhedio‘ a sixpport A and'fﬁ
I .collax: of. mass The unstretched length of'thé‘spring' is L'Kndwingltlmtfﬁf 2'
collar is released from feSt‘atx m“ broand negl'ectiilg fn‘ction befweeh the lar and the horizontal rod, determine the magnitude of’the velocity of thl ‘
F?‘ Collar as it passes through point C. : _ I ...
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 Summer '08
 CARLCRANE
 Dynamics, Special Relativity, Velocity, Relative velocity, Euclidean space, Collar

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