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Category > Physics Posted 08 May 2017 My Price 6.00

moment of inertia of the system

‘ Firefnx File Edit View History Bookmalks Tools Window Help \‘k HW as: manual Dynlml... x Iwww.mbasslgn.neljwehf5tudent!Asslglament-Responsesfsuhmlt?dep=16034394 l C Q Searth (c) Obtain the moment of inertia of the system.
kg . m2 (d) Find the rotational kinetic energy of the system using the relation KER - 1.51021 to verify that the answer is the same as the answer in (b).
J A flywheel is a solid disk that rotates about an axis that is perpendicular to the disk at Its center. Rotating flywheels provide a means for storing energy in the form of rotational kinetic energy and are being considered as a possible alternative to batteries in electric cars. The gasoline humed In a duo-mile trip in a typical mldsize car produces about 1.20 X 109 J of energy. How fast
would a 16-kg flywheel with a radius of 0.40 m have to rotate to store this much energy? Give your answer In rev/min. x revfmin aublflmllfimefiwl | Pmmmml Starting From rest, a basketball rails from the top of a hill to the bottom, reaching a tlanslatiunal speed of 2.29 rn/s. Ignore frictional losses.
(a) What is the height of the hill?
.44 ‘f rn (b) Released from rest at the same height, a can of frozen juioe rolls to the bottom of the same hlll. What is the translational speed of the frozen juice can when It reaches the bottom?
2.39 V rnjs A bowling ball encounters a 0.760 to vertical rise on the way back to the ball rack, as the drawing illustrates. Ignore frictional losses and assume that the mass of the ball ls distributed uniformly.
The translational speed of the ball is 5.60 this at the bottom of the rise. Find the translational speed at the top.

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SuperTutor
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Status NEW Posted 08 May 2017 03:05 AM My Price 6.00

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