An electric fan acquires frequency of 30...

An electric fan acquires frequency of 300 rpm after completing 5 revolutions when it is switched on. Determine the angular acceleration of the fan and the time taken to acquire the frequency of 300 rpm.

Text Solution

Verified by Experts

The correct Answer is:

`5 pi" rad "cdot s^(-2),` 2s

Topper's Solved these Questions

CIRCULAR MOTION
CHHAYA PUBLICATION|Exercise PROBLEM SET - II|20 Videos
CIRCULAR MOTION
CHHAYA PUBLICATION|Exercise HOTS NUMERICAL PROBLEMS|14 Videos
CIRCULAR MOTION
CHHAYA PUBLICATION|Exercise SHORT ANSWER TYPE QUESTIONS - II|2 Videos
CALORIMETRY
CHHAYA PUBLICATION|Exercise EXAMINATION ARCHIVE|5 Videos
DOPPLER EFFECT IN SOUND
CHHAYA PUBLICATION|Exercise CBSE SCANNER|2 Videos

Similar Questions

Explore conceptually related problems

A wheel completes 400 revolutions in 1 minute. Its speed is increased to 600 rpm in 4 s. Determine the angular acceleration .

An electric fan of radius 1.2 m is rotating with a steady frequency of 300 rpm. Determine the angular velocity of the fan and also find out the linear velocity of any end-point.

The motor of an engine is rotating about its axis with an angular velocity of 100 rpm. It comes to rest in 15 s, after being switched off. Assuming constant angular deceleration, what are the numbers of revolutions made by it before coming to rest ?

A wheel completes 400 revolutions in 1 minute. Its speed is increased to 600 rpm in 4 s. Determine The number of revolutions completed by the wheel in that time.

An electric fan is revolving with a velocity of 210 rpm. When its motion is increased with the help of a regulator, it attains a velocity of 630 rpm in 11 s. What is the angular acceleration of the fan? Also calculate the number of revolutions completed by the fan in that 11 s ?

After switching on a ceiling fan it completes 10 revolutions in 3 s. The number of complete revolutions it will perform in the next 3 s (assuming uniform angular acceleration ) is

The engine of a motor car is rotating at a constant speed of 150 rpm. Acquiring acceleration suddenly it gains a velocity of 3000 rpm in 3 s. What is the angular acceleration of the engine?

CHHAYA PUBLICATION-CIRCULAR MOTION-PROBLEM SET - I

A car is moving with a velocity of 36 kmcdot h^(-1). If the diameter o...
Text Solution
|
An electric fan acquires frequency of 300 rpm after completing 5 revol...
Text Solution
|
Velocity of a car along a curved path of radius of curvature 100 m is ...
Text Solution
|
The length of the second hand of a clock is 21 cm. What will be the ma...
Text Solution
|
A car can move at a maximum speed of 72 kmcdot h^(-1) on a curved road...
Text Solution
|
A flywheel makes 120 rpm. Find the angular speed of any point on the w...
Text Solution
|
A cyclist is going round a circular track with a speed of 10 mcdot s^(...
Text Solution
|
While taking a turn on a circular road with a velocity of 36 kmcdot h^...
Text Solution
|
A motorcycle rider, in the 'death-well' show in a circus, is revolving...
Text Solution
|
A body of mass 0.1 kg is being rotated in a circular path of diameter ...
Text Solution
|
A motor car of mass 1000 kg runs over a bridge at 48 km/hr the roadway...
Text Solution
|
Two bodies of masses 10 kg and 5 kg are revolving along two concentric...
Text Solution
|
A particle revolves in a circle of radius 0.1 m, making 300 rpm. Calcu...
Text Solution
|
A table is rotating along a horizontal plane about the axis passing th...
Text Solution
|
Two bodies of masses 1 kg 3 kg are tied at the two ends of a thread 60...
Text Solution
|
In a machine, a horizontal arm of 2 m is connected with a vertical sha...
Text Solution
|
A road curve is banked so that there is no side thrust on the passenge...
Text Solution
|