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Standard XII
Physics
Speed of Efflux
a flywheel of...
Question
a flywheel of mass 5 kg has anradius of 0.2 m . it is making 240 rpm . the average torque necessary to bring it to rest in 20 s is
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Q.
20
Nm
torque is applied to a flywheel that rotates about a fixed axis and has moment of inertia of
25
kgm
2
. If the flywheel is initially at rest, what is its angular velocity after it has turned through
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Q.
A wheel is rotating about an axis through its center at 720 rpm. It is acted on by a constant torque opposing its motion for 8 seconds to bring it to rest finally. The value of torque in Nm is (given I=
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Q.
A wheel is rotating about an axis through its centre at
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p
m
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8
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Q.
A fly wheel of mass
140
kg
and radius
3
m
is rotating at
240
rpm
. The angular acceleration of flywheel if it comes to rest, after
7
rotations is (Assume constant angular acceleration)
Q.
20
Nm
torque is applied to a flywheel that rotates about a fixed axis and has moment of inertia of
25
kgm
2
. If the flywheel is initially at rest, what is its angular velocity after it has turned through
10
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