Question

A futuristic design for a car is to have a large solid disk-shaped flywheel within the car storing kinetic energy. The uniform flywheel has mass 370 kg with a radius of 0.500 m and can rotate up to 140 rev/s. Assuming all of this stored kinetic energy could be transferred to the linear velocity of the 1600-kg car, find the maximum attainable speed of the car.

Answer #1

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 burned in a 148-mile trip in a typical
midsize car produces about 1.28 x 109 J of energy. How
fast would a 34.5-kg flywheel with a radius of 0.463 m...

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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 burned in a 162-mile trip in a typical
midsize car produces about 4.12 x 109 J of energy. How
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A car is designed to get its energy from a rotating flywheel in
the shape of a uniform, solid disk of radius 0.550 m and mass 560
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rev/min.
a)Find the kinetic energy stored in the flywheel (in J).
b)If the flywheel is to supply energy to the car as a 12.0 hp
motor would, find the length...

A flywheel within large water pump is a solid disk with mass 21
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A truck with total mass 3000 kg uses a 320 kg flywheel to store
energy. Model the flywheel as a disk with radius 0.75 m. Assume
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What should the angular velocity of the flywheel be to take the
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Using the stored energy in the flywheel, how high a hill can
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3.
A flywheel comprises a uniform circular disk with a mass of 112.0
kg and a radius of 1.3 m. It rotates with an angular velocity of
1213 rev/min. A constant tangential force is applied at a radial
distance of 0.8 m. What is the initial kinetic energy of the
wheel?
4.
If the wheel is brought to rest in 111.0 s, what is the tangential
force?
5.
How many revolutions does the flywheel make while it is stopping in...

A car is fitted with an energy-conserving flywheel, which in
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a) Calculate the rotational kinetic energy of the grindstone as
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Immediately after the motor for the grindstone is turned off, a
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The knife blade is pressed perpendicular to the grindstone with a
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b) Determine...

A solid uniform disk of mass M = 9.6 kg and radius R = 21 cm
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constant force of F = 10.8 N is applied to the string. The string
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1)
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