A fan is switched on and it accelerates at a constant angular accelera

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Similar Practice Problems

Question 1 - Select One
Initial angular velocity of a wheel is $2 r a d / s$ .It rotates with a constant angular acceleration of $3.5 r a d / s^{2}$ .Its angular displacement in 2 s is
A4 rad
B7 rad
C8 rad
D11 rad
Question 1 - Select One
The angular acceleration of a fan $α = \frac{- 3 t^{2}}{2}$ . At the initial moment, its angular velocity $ω = 10 r a d / s$ and has an angular position of 1 rad.
AIts angular velocity at t=1sec. Is 9.5 rad/s
Bits angular position at t=2 sec. Is 5 rad
Cits angular velocity at t=2 sec. is 6 rad/s
Dits angualr position at t=1 sec. is $\frac{87}{8}$ rad
Question 1 - Select One
A wheel has angular acceleration of $3.0 r a d / s^{2}$ and an initial angular speed of $2.00 r a d / s$ . In a tine of $2 s$ it has rotated through an angle (in radian) of
A6
B10
C12
D4
Question 1 - Select One
A stationary wheel starts rotating about its own axis at an angular acceleration $5.5 r a d / s^{2}$ . To acquire an angular velocity 420 revolutions per minute , the number of rotations made by the wheel is
A14
B21
C28
D35
Question 1 - Select One
The torque acting is 2000 Nm with an angular acceleration of $2 r a d / s^{2}$ . The moment of inertia of body is
A $1200 k g m^{2}$
B $900 k g m^{2}$
C $1000 k g m^{2}$
Dcan't say
Question 1 - Select One
A body rotates about a fixed axis with an angular acceleration of $3 r a d / s^{2}$ The angle rotated by it during the time when its angular velocity increases frm 10 rad/s to 20 rad/s (in radian) is
A50
B100
C150
D200
Question 1 - Select One
A wheel has angular acceleration of $3.0 r a d / s^{2}$ and an initial angular speed of $2.00 r a d / s$ , In a time of 2 s it has rotated through an angle (in radian) of
A6
B10
C12
D4

A fan is switched on and it accelerates at a constant angular acceleration of $2 r a d / s^{2}$ till it attains an angular velocity of $18 r a d / s$ . At this instant power is switched off, Assuming there is no dissipative force, the angular displacement made by it in $20$ seconds is

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Similar Practice Problems

Initial angular velocity of a wheel is $2 r a d / s$ .It rotates with a constant angular acceleration of $3.5 r a d / s^{2}$ .Its angular displacement in 2 s is

The angular acceleration of a fan $α = \frac{- 3 t^{2}}{2}$ . At the initial moment, its angular velocity $ω = 10 r a d / s$ and has an angular position of 1 rad.

A wheel has angular acceleration of $3.0 r a d / s^{2}$ and an initial angular speed of $2.00 r a d / s$ . In a tine of $2 s$ it has rotated through an angle (in radian) of

A stationary wheel starts rotating about its own axis at an angular acceleration $5.5 r a d / s^{2}$ . To acquire an angular velocity 420 revolutions per minute , the number of rotations made by the wheel is

The torque acting is 2000 Nm with an angular acceleration of $2 r a d / s^{2}$ . The moment of inertia of body is

A body rotates about a fixed axis with an angular acceleration of $3 r a d / s^{2}$ The angle rotated by it during the time when its angular velocity increases frm 10 rad/s to 20 rad/s (in radian) is

A wheel has angular acceleration of $3.0 r a d / s^{2}$ and an initial angular speed of $2.00 r a d / s$ , In a time of 2 s it has rotated through an angle (in radian) of

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AAKASH INSTITUTE-SYSTEM OF PARTICLES AND ROTATIONAL MOTION-Assignment (Section - C) Objective Type Questions (More than one option are correct)

A fan is switched on and it accelerates at a constant angular acceleration of 2rad/s2 till it attains an angular velocity of 18rad/s. At this instant power is switched off, Assuming there is no dissipative force, the angular displacement made by it in 20 seconds is

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Initial angular velocity of a wheel is 2rad/s .It rotates with a constant angular acceleration of 3.5rad/s2 .Its angular displacement in 2 s is

The angular acceleration of a fan α=−3t22. At the initial moment, its angular velocity ω=10rad/s and has an angular position of 1 rad.

A wheel has angular acceleration of 3.0rad/s2 and an initial angular speed of 2.00rad/s. In a tine of 2s it has rotated through an angle (in radian) of

A stationary wheel starts rotating about its own axis at an angular acceleration 5.5rad/s2 . To acquire an angular velocity 420 revolutions per minute , the number of rotations made by the wheel is

The torque acting is 2000 Nm with an angular acceleration of 2rad/s2 . The moment of inertia of body is

A body rotates about a fixed axis with an angular acceleration of 3rad/s2 The angle rotated by it during the time when its angular velocity increases frm 10 rad/s to 20 rad/s (in radian) is

A wheel has angular acceleration of 3.0rad/s2 and an initial angular speed of 2.00rad/s, In a time of 2 s it has rotated through an angle (in radian) of

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AAKASH INSTITUTE-SYSTEM OF PARTICLES AND ROTATIONAL MOTION-Assignment (Section - C) Objective Type Questions (More than one option are correct)

A fan is switched on and it accelerates at a constant angular acceleration of $2 r a d / s^{2}$ till it attains an angular velocity of $18 r a d / s$ . At this instant power is switched off, Assuming there is no dissipative force, the angular displacement made by it in $20$ seconds is

Initial angular velocity of a wheel is $2 r a d / s$ .It rotates with a constant angular acceleration of $3.5 r a d / s^{2}$ .Its angular displacement in 2 s is

The angular acceleration of a fan $α = \frac{- 3 t^{2}}{2}$ . At the initial moment, its angular velocity $ω = 10 r a d / s$ and has an angular position of 1 rad.

A wheel has angular acceleration of $3.0 r a d / s^{2}$ and an initial angular speed of $2.00 r a d / s$ . In a tine of $2 s$ it has rotated through an angle (in radian) of

A stationary wheel starts rotating about its own axis at an angular acceleration $5.5 r a d / s^{2}$ . To acquire an angular velocity 420 revolutions per minute , the number of rotations made by the wheel is

The torque acting is 2000 Nm with an angular acceleration of $2 r a d / s^{2}$ . The moment of inertia of body is

A body rotates about a fixed axis with an angular acceleration of $3 r a d / s^{2}$ The angle rotated by it during the time when its angular velocity increases frm 10 rad/s to 20 rad/s (in radian) is

A wheel has angular acceleration of $3.0 r a d / s^{2}$ and an initial angular speed of $2.00 r a d / s$ , In a time of 2 s it has rotated through an angle (in radian) of