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The angularmomentum of a flywheel having a rotational inertia of 0.100 kgm2 aboutits central axis decreases from 3.40to 1.800 kgm2/s in0.90 s.
(a) What is the magnitude of the average torque acting on theflywheel about its central axis during this period?
(b) Assuming a uniform angular acceleration, through what angledoes the flywheel turn?
(c) How much work is done on the wheel?
(d) What is the average power of the flywheel?
A 2.3kg cart is rolling across a frictionless, horizontal track toward a 1.5kg cart that is held initially at rest. find the velocity of the first cart when the second cart was still at rest
If a second point charge of ?3.0 nC is placed at the location where you calculated the electric field in part (a), what will be the magnitude of the force on this second charge due to the field of the first
A stamp collector views a 1.5 cm tall stamp through a magnifying glass. The magnifying glass is a converging lens with a focal length of 15 cm. The stamp is 3 cm below the lens. (a) Sketch a ray-tracing of this situation. (b) Where is the image of th..
A cable passes over a pulley. The cable does not slip on the pulley, and the tension in the cable is not the same on opposite sides of the pulley. determine its angular acceleration
A 2.4 kg solid cylinder (radius = 0.20 , length = 0.55 ) is released from rest at the top of a ramp and allowed to roll without slipping. what is the translational kinetic energy
1. a diamond has a mass of 56.6 g and the gold ring it is set in has a mass of 125.6 g. how many carbon atoms are
On average, each person in the industrialized world is responsible for the emission of 10 000 kg of carbon dioxide (CO2) every year. how long would each edge of the cube be
A dedicated sports car enthusiast polishes the inside and outside surfaces of a hubcap that is a section of a sphere. When he looks into one side of the hubcap, How far is his face from the hubcap
A steam turbine is used to test a well insulated air compressor. The inlet temperature and pressure of the turbine are 5 MPa and 400 C. Calculate the steam mass flow rate through the turbine
It is currently popular for automobiles to use 10% ethanol / 90%gasoline mixtures (‘gasohol’) as fuel. According topopular consensus the main benefit of gasohol use is that it“reduces our dependence upon foreign oil.” Determine the ‘break-even’ fu..
A total electric charge of 4.50 nC is distributed uniformly over the surface of a metal sphere with a radius of 22 cm. The potential is zero at a point at infinity. Find the value of the potential at 45 cm from the center of the sphere.
A Ball Rolling Uphill. A bowling ball rolls without slipping up a ramp that slopes upward at an angle beta (B) to the horizontal. Treat the ball as a uniform, solid sphere, ignore the finger holes.
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