Home
Class 12
PHYSICS
The angular velocity of a wheel is 70 ra...

The angular velocity of a wheel is `70 rad//sec` . If the radius of the wheel is 0.5 m , then linear velocity of the wheel is

A

`10m//s`

B

20`m//s`

C

35`m//s`

D

70`m//s`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

If the radius of the rarth is 6400 km, then the linear velocity of a point on the equator will be nearly

A body of mass 0.5 kg is whirled in a vertical circle at an angular frequency of 10 rad/s. If the radius of the circle is 0.5 m. What is the tension in the string when the body is at the top of the circle ?

An automobile moves on a road with a speed of 54 km h^-1 . The radius of its wheels is 0.45 m and the moment of inertia of the wheel about its aXIIs of rotation is 3 kg m^2 . If the vehicle is brought to rest in 15s, the magnitude of average torque transmitted by its brakes to the wheel is

Angular velocity of hour arm of a clock, in rad//s , is

Solve the following problrms using two variables: The fore wheel of a tractor makes 120 revolutions more than the rear wheel in going 720 m. If the diameter of the fore wheel is doubled and the diameter of the rear wheel is increased by 1 1/2 times the present diameter, then the fore wheel makes 20 revolution more than the rear wheel in going the same distance . Find the circumference of each wheel.

A disc of mass 2 kg and radius 0.2 m is rotating about an axis passing through its centre and perpendicular to its plane with an angular velocity 50 rad/s. Another disc of mass 4 kg and radius 0.1m rotates about an axis passing through its centre and perpendicular to its plane with angular velocity 100 rad/s. If the two discs are coaxially coupled, then the angular velocity of the coupled system would be

If a point on the circumference of a wheel having diameter 4 m has velocity of 1600 c m//s , then the angular velocity of the wheel will be

A large disc has mass 2 kg and radius 0.2 m and initial angular velocity 50rad/s and a small disc has mass 4kg and radius 0.1m and initial angular velocity 200 rad/s, both rotating about their common axis. Then the common final angular velocity after discs are in contact is,

Initial angular velocity of a wheel is 2 rad/s. It rotates with a constant angular acceleration of 3.5 rad//s^2 . Its angular displacement in 2 s is

The angular speed of a fly-wheel making 120 revolution per minute is