The speed of a body moving in a circle of radius 15 cm changes from ` 180 rev//min to 600 rev //min "in" 11 s` . Then the angular acceleration of the

Question

The speed of a body moving in a circle of radius 15 cm changes from ` 180 rev//min to 600 rev //min "in" 11 s` . Then the angular acceleration of the

The speed of a body moving in a circle of radius 15 cm changes from ` 180 rev//min to 600 rev //min "in" 11 s` . Then the angular acceleration of the body will be
A. `1 rad//s^(2)`
B. `2 rad//s^(2)`
C. `3 rad //s^(2)`
D. `4 rad//s^(2)`

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

Related Questions

A particle starts with constant angular acceleration of `"2 rad/s"^(2)` in a circle of radius 4m. Find angle between net acceleration and radial accel

2 Answers 4 Views

The frequency of a particle performing circular motion changes from 60 rpm to 180 rpm in 20 s . Then the angular acceleration is

2 Answers 23 Views

The speed of the wheel of an engine changes from 600 rpm to 1200 rpm in 5 s. Then its angular acceleration in `rad//s^(2)`

2 Answers 4 Views

A particle is moving along a circle of radius 3 m .If its centripetal acceleration is `3ms^(-2)` , its angular velocity in` rad s^(-1)` is

2 Answers 5 Views

Angular momentum of body changes by 80 kg `m^(2)//s`, when its angular velocity changes from 20 rad/s to rad/s. Then the change in its kinetic energy

2 Answers 4 Views

A boy stands on a freely rotating platform with his arms extended. His rotation speed is 0.3 rev/s, when he draws in, his speed increases to 0.5 rev/s

2 Answers 7 Views

A flywheel revolves at 100 rev/min, a torque is applied to the flywheel for 10 s If the torque increases the speed to 200 rev/min, then the angular ac

2 Answers 6 Views

If a wheel has mass 70 kg and radius of gyration 1 m, then the torque required an angular 1 m, then the torque required an angular acceleration of `"2

2 Answers 8 Views

An automobile egine develops `60 pi` kilowatt of power when it is rotating at the speed of 1800 rev/min, then the torque it can transfer to the wheels

2 Answers 4 Views

A body of mass 2 kg and radius of gyration 0.5 m is rotating about an axis. If its angular speed is 2 rad/s, then the angular momentum of the body wil

2 Answers 7 Views

Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - D
`alpha=(omega_(2)-omega_(1))/(t)=(2pi(n_(2)-n_(1)))/(t)`

5 views Answered 2023-02-05 15:29