Home
Class 12
PHYSICS
A rigid body rotates through an angle of...

A rigid body rotates through an angle of `270^@` in 2 seconds. what is its average angular velocity in radian/second?

Answer

Step by step text solution for A rigid body rotates through an angle of 270^@ in 2 seconds. what is its average angular velocity in radian/second? by PHYSICS experts to help you in doubts & scoring excellent marks in Class 12 exams.

Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • MOTION IN A STRAIGHT LINE

    MBD PUBLICATION|Exercise QUESTION BANK|193 Videos
  • MOVING CHARGES AND MAGNETISM

    MBD PUBLICATION|Exercise QUESTION BANK|148 Videos

Similar Questions

Explore conceptually related problems

What is the angular velocity of hour hand of a clock in radian ?

A wheel starting from rest is rotating with constant angular acceleration of 2 rad/s^2 . A student notes that it traces an angle of 80 radians in 4 sec interval. What was the angular velocity of the wheel, when the student started his observation ?

Knowledge Check

  • A ray of light is incident at an angle of 45^@ with a velocity 3xx10^8 m/s on a plane boumdary of a second medium. The angle of refraction in the second medium is 30^@ . The velocity of light in second medium is:

    A
    `1.5 xx 10^8 m//s`
    B
    `2.0 xx 10^8 m//s`
    C
    `2.1 xx 10^8 m//s`
    D
    `2.5 xx 10^8 m//s`
  • A body is whirled in a horizontal circle of radius 20 cm. It has an angular velocity of 10 rad/s. What is the linear velocity at any point on the circular path?

    A
    10 m/s
    B
    2 m/s
    C
    20 m/s
    D
    `sqrt2 m/s`
  • Similar Questions

    Explore conceptually related problems

    A scooter is going towards east at 10m/s turns right through an angle of 90^@ . If the second remains unchanged in taking this turn.what is the change in the velocity of scooter ?

    The angular speed of a motor increases from 600 rpm to 1200 rpm in 10 seconds. What is the angular acceleration of the motor

    A body thrown vertically upwards reaches a height of 30m in 4 seconds. Does it cover the first half of its journey in 2 seconds ? Give reason for your answer

    Calculate work done in rotating a bar magnet of magnetic moment 5Am^@ when rotated through an angle of 180^@ from its rest position parallel to an external magnetic field of 0.4 T.

    A body has angular velocity of 4 rad/s at t= 4 seconds and at t =9 seconds the angular velocity is observed to be 22 rad/s. determine the angular acceleration of the body.

    State whether the following statements are True (T) or False (F): A plane mirror rotates with a angular velocity, 'w' then the reflected ray. Rotates with an angular velocity '2w'.