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When the light turns green, she accelerates at 20m/s^2. How long does it take her to travel 4000 meters? Hint: your vi = 0.
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The motor m applies a time-varying force of f (200 t) n, where t is in seconds. box b with mass 200 kg starts from rest, and the coefficients of kinetic and static friction are 0.2 and us 0.3 the acceleration due to gravity is g 9.8 m/s2 b 300 a) find the time ' when the box starts to move. b) calculate the speed of the crate at 3 s c) calculate the power delivered by the motor at t 3 s
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When the light turns green, she accelerates at 20m/s^2. How long does it take her to travel 4000 met...
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