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Question: problem 1277 the position of a crate sliding down a...

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Problem 12.77 The position of a crate sliding down a ramp is given by r (0.25t) m y (1.6t2) mz (6-0.85t5/2) m where t is in seconds Part A Determine the magnitude of the crates velocity when t = 2 s. Express your answer using three significant figures and include the appropriate units. Value Units Submit Request Answer Part E Determine the magnitude of the crates acceleration whent 2s Express your answer using three significant figures and include the appropriate units a Value Units
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