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The angular momentum of a flywheel having a rotational inertia of 0.250 kg·m2 concerning its central axis decreases from 2.40 to1.000 kg·m2/s in2.00 s.
a) What is the magnitude of the average torque acting on the flywheel about its central axis through this period? _____N*M
b) Assuming a uniform angular acceleration, during what angle does the flywheel turn?
___rad
c) How much work is done on the wheel? _____J
d) What is the average power of the flywheel? _____W
if a 1500kg car is driven in sand at 5m/s, the coefficient of rolling friction is 0.06. What is the propulsion force need tot keep the car moving
a mass m1 21.3 kg on a frictionless ramp is attached to a light string. the string passes over a frictionless pulley
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high-impact activities such as jogging can cause considerable damage to the cartilage at the knee joints. peak loads on
A 9kg mass is connected by a a string over a frictionless pulley to a 5kg block sliding on the table.The coefficient of friction is 0.2, find the tension in the string.
For a damped oscillator with a mass of 170g, the spring constant 92 N/m and a damping coefficient of 55g/s, what is the ratio of amplitude of the damped oscillations to the initial amplitude at the end of 22 cycles.
A 3.0-m-long ladder leans against a frictionless wall. What is the minimum angle the ladder can make with the floor without slipping
a pelican flying along a horizontal path drops a fish from a height of 4.7 m. the fish travels 7.7 m horizontally
an car mass 1000kg is traveling east 30m/s . it is hitby another car 2000kg whick was traveling northwest at20m/s.the two cars stick together. what is the velocity of the cars after they stick together
An object on the ground is lunched at 10.0m/s at an angle of 75.0 above the horizontal. what is the horizontal displacment of the object
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