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The axis of a 5-in.-radius disk is fitted into a slot that forms an angle θ = 30° with the vertical. The disk is at rest when it is placed in contact with a conveyor belt moving at constant speed. Knowing that the coefficient of kinetic friction between the disk and the belt is 0.20 and neglecting bearing friction, determine the angular acceleration of the disk while slipping occurs.
In a particular crash test, an automobile of mass 1217 kg collides with a wall and bounces back off the wall. The x components of the initial and final speeds of the automobile are 15 m/s and 3 m/s, respectively. If the collision lasts for 0.12 s,..
If Sue's mass is 56.0 kg and she falls 2.00 m in 10.0 s starting from rest, calculate the tension in the rope joining them. (Express your answer to three significant figures.) Calculate Paul's mass. (Express your answer to three significant figures..
A parallel plate capacitor has a plate area of 2.5 m2, spacing of 0.52 mm, and dielectric material between the plates with k=9.8. How much energy is stored by the capacitor
A platform is rotating with an angular speed of 3.00 rad/s and an angular acceleration of 11.0 rad/s2. what is the magnitude of the total acceleration
question for a certain transverse wave the distance between two successive crests is 1.20 m and eight crests pass a
A total charge 200 pC is imparted to identical parallel plate capacitors connected in parallel. At t = 0, the plates of the capacitor are 0.1 mm apart. The plates of first capacitor moves towards each other with approach velocity 0.001 m/s and pla..
A turboprop producing 1000 kW drives a propeller operating at 85% propulsive efficiency. If the fuel flow to the engine is 0.07 kg/s, determine the overall thermal efficiency of the engine.
Calculate the indicted power, the brake power, the brake thermal efficiency and Calculate theoretical cycle efficiency.
A railroad car of mass 2.46 multiply.gif 104 kg, is moving with a speed of 4.13 m/s. What is the speed of the four cars after the collision
two disks are rotating about the same axis. disk a has a moment of inertia of 7.64 kgmiddotm2 and an angular velocity
a 25kg mass hangs by a rope. If the tension in the rope is a constant 200N and the initial velocity of the mass is 3m/s upwards, what is the velocity of the mass after 2 seconds
What is the voltage of an alternator that produces a current of 0.039 A if it contains a series RCL circuit with a resistance of 300 ohm, an inductive reactance of 650 ohm and a capacitive reactance of 420 ohm?
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