A flywheel of mass 5 kg and radius 10 cm...

A flywheel of mass 5 kg and radius 10 cm rolls down a plane inclined at `30^(@)` to the horizontal. It rolls from rest through 100 cm in 10s. Neglecting friction find a) the kinetic energy of the flywheel at the end of 10s, (b) the momentum of intertia of the flywheel about its axis.

Text Solution

Verified by Experts

The correct Answer is:

12.2 kg`m^(2)`

Topper's Solved these Questions

ROTATIONAL DYNAMICS, MOMENT OF INERTIA
NN GHOSH|Exercise Exercises|42 Videos
MOMENT, TORQUE, EQUILIBRIUM OF BODIES
NN GHOSH|Exercise Exercises|33 Videos
SATURATED AND UNSATURATED VAPOUR
NN GHOSH|Exercise All Questions|1 Videos

Similar Questions

Explore conceptually related problems

A solid cylinder of mass 8 kg and radius 50 cm is rolling down a plane inclined at an angle of 30^@ with the horizontal. force of friction on the cylinder is?

A flywheel of mass 10 kg and radius 10 cm is revolving at a speed of 240 r.p.m. Its kinetic energy is

A flywheel rotating about a fixed axis has a kinetic energy of 225 J when its angular speed is 30 rad/s. What is the moment of inertia of the flywheel about its axis of rotation?

A solid cylinder of mass 8 kg and radius 50 cm is rolling down a plane inclined at an angle of 30^@ with the horizontal. The minimum value of coefficient of friction so that cylinder does not slip while rolling down the plane.

A solid sphere of mass 1 kg, redius 10 cm rolls down an inclined plane of height 7m. The velocity of its centre as it reaches the ground level is

A solid sphere of mass 0.1kg and radius 2cm rolls down an inclined plane 1.4m in length (slope 1 in 10). Starting from rest, what will be its final velocity?

A flywheel rotating about a fixed axis has a kinetic energy of 360J when its angular speed is 30 radian s^(-1) . The moment of inertia of the wheel about the axis of rotation is

A flywheel of mass 0.2 kg and radius 10 cm is rotating with 5//pi "rev/s" about an axis perpendicular to its plane passing through its centre. Calculate angular momentum and kinetic energy of flywheel.

NN GHOSH-ROTATIONAL DYNAMICS, MOMENT OF INERTIA-Exercises

If the earth suddenly contracted to half of its present radius without...
Text Solution
|
A ring, a disc and a sphere all of the same radius and mass roll down ...
Text Solution
|
A flywheel of mass 5 kg and radius 10 cm rolls down a plane inclined a...
Text Solution
|
Two point masses m(1) and m(2) are joined by a weightless rod of lengt...
Text Solution
|
A thin uniform rod AB of mass m and length l is hinged at one end to t...
Text Solution
|
A hoop of radius 3m weighs 150 kg. It rolls along a horizontal floor s...
Text Solution
|
A sphere rolls up an inclined plane whose inclination is 30^(@). At th...
Text Solution
|
A student sits on a stool that is free to rotate about a vertical axis...
Text Solution
|
A solid sphere of 1kg reaches the bottom of an inclined plane after ro...
Text Solution
|
A thin uniform rod of mass m and length l, pivoted freely at its base,...
Text Solution
|
What must be the relation between length and radius of a cylinder of g...
Text Solution
|
A circular disc is of mass M and radius r. From it a circualr piece is...
Text Solution
|
A string is wrapped around a cylinder of mass M and radius r. The stri...
Text Solution
|
A small sphere of mass m and radius r rolls without slipping on the in...
Text Solution
|
A billiard ball is struck by a cue when it starts moving with velocity...
Text Solution
|
a) Explain why the cushion of a billard table is made to receive the i...
Text Solution
|
A right circular cylinder of radius r and mass m is suspended by a cor...
Text Solution
|
The mass of the earth is increasing at the rate 1 part in 5 xx 20^(19)...
Text Solution
|
A meter stick of length l and mass M lies on a frictionlesss table. Th...
Text Solution
|
A long light thread is wond partly around cylinder of radius r and mas...
Text Solution
|