Recent questions tagged rotational kinematics

+3 votes

1 answer

A circular loop of string rotates about its axis on a frictionless horizontal plane at a uniform rate so that the tangential speed of any particle

asked Jan 18, 2019 in JEE by kratos

+1 vote

1 answer

A rigid body turns through 1.85 radians. Express this in degrees and revolutions.

asked Dec 19, 2018 in JEE by kratos

+1 vote

1 answer

The tangential acceleration of the tip of a blade is 47.13 m/*^2 and its centripetal acceleration is 473.9 m/*^2 .

asked Nov 3, 2018 in JEE by kratos

+3 votes

1 answer

Long ago people listened to music which was stored on “phonograph records”. These records turned at a rate of 33.3

asked Sep 13, 2018 in JEE by kratos

+2 votes

1 answer

A flywheel has a constant angular deceleration of 2.0 ra/*^2. (a) Find the angle through which the flywheel turns as it somes

asked Apr 26, 2018 in JEE by kratos

+3 votes

1 answer

A cylinder rotating at an angular speed of 50 rev/* is brought in contact with an identical stationary cylinder.

asked Feb 19, 2018 in JEE by kratos

+3 votes

1 answer

If rA=3rB and the two wheels are couples with a belt ratios of the angular velocities is

asked Feb 18, 2018 in JEE by kratos

+1 vote

1 answer

The string rotates at an angular speed of 47 rev/* , and its tip has a tangential speed of 54 m/*. What is the length of the rotating string?

asked Jan 6, 2018 in JEE by kratos

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