Q1 a 653 kg lift starts from rest it moves upward for 28 s

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Q1. A 653 kg lift starts from rest. It moves upward for 2.8 s with constant acceleration until it reaches a cruising speed of 1.85 m/s. What is an average power of its motor during this period (in kW)?

Q2. A wheel (radius = 0.20 m) is mounted on a frictionless, horizontal axle. A light rope wrapped around the wheel supports a 0.50-kilogram object, as shown below. When released from rest, the object falls with a downward acceleration of 5.0 m/s2. What is the moment of inertia of wheel?

Reference no: EM13354012

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