Q1 a spool of thin wire with inner radius r 050 m outer

Reference no: EM13353972

Q1. A spool of thin wire (with inner radius r = 0.50 m, outer radius R = 0.56 m, and moment of inertia Icm = 0.81 kg*m2 pivots on a shaft. The wire is pulled down by a mass M = 1.40 kg. After falling a distance D = 0.52 m, starting from rest, the mass has a speed of v = 75.400 cm/s. compute the energy lost to friction during that time.

Q2. A series of small machine components being moved by a conveyor belt passes over a 140-mm-radius idler pulley. At the instant shown, the angular velocity of the idler pulley is 5 rad/s clockwise. If the total acceleration of point B is 2400 mm/s2, what is an angular velocity of the idler pulley?

Reference no: EM13353972

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