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А 30° BBlocks A and B are originally at rest. Block B begins to move upward with a constant acceleration of aB = 16 m / s2 . Determine the velocity of block B relative to the block A when t = 4 sec.

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given 96= 10 m/s² t = 4 sec We want to find Out VoIn BA : VB =l A 300 198 B 3 eqs of motion v=u tat s =4+ + hat² v2 = 42+ 29

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