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The rotational speed of an auto mobile engine is increased at a constant rate from 1400 rev/min to 3100 rev/min in 16 s.
(a) Find its rotational acceleration in revolutions per minute-squared?
rev/min2
(b) How many revolutions does the engine create during this16 s interval?
rev
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Two objects (39.0 and 23.0 kg) are connected by a massless string that passes over a massless, frictionless pulley, find the acceleration of the objects
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