Physics
Easy

Question

Richa is sitting in a merry-go-round.  The time period of circular motion if it forms a circle of 56 m radius. The speed of rotation is 40 m/s.

Hint:

The correct answer is: 2.8 pi s

Physics

A girl is sitting in a merry-go-round.  The time period of circular motion of the merry-go-round is 8 sec and it forms a circle of 40 m radius. What is the speed of rotation?

1. 30.9 m/s
2. 810.4 m/s
3. 480.34 m/s
4. 31.4 m/s

A girl is sitting in a merry-go-round.  The time period of circular motion of the merry-go-round is 8 sec and it forms a circle of 40 m radius. What is the speed of rotation?

1. 30.9 m/s
2. 810.4 m/s
3. 480.34 m/s
4. 31.4 m/s
Physics

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Physics

As the velocity of the object moving in a uniform circular motion increases, the time period _______.

1. Increases
2. Decreases
3. Increases exponentially
4. Decreases exponentially

As the velocity of the object moving in a uniform circular motion increases, the time period _______.

1. Increases
2. Decreases
3. Increases exponentially
4. Decreases exponentially
Physics

The time taken for one complete circle is called the _____.

1. Time period
2. Frequency
3. Angular velocity
4. Velocity

The time taken for one complete circle is called the _____.

1. Time period
2. Frequency
3. Angular velocity
4. Velocity
Physics

Physics

1. 29.43 m
2. 20.24 m
3. 30.48 m
4. 45.97 m

1. 29.43 m
2. 20.24 m
3. 30.48 m
4. 45.97 m
Physics

A boy moves a tied stone above his head in circles, what is the time period of circular motion if it forms a circle of 20 cm radius. The speed of rotation is 23 m/s.

1. 0.25 s
2. Sqrt (0.05) s
3. 0.05 s
4. 0.1 s

A boy moves a tied stone above his head in circles, what is the time period of circular motion if it forms a circle of 20 cm radius. The speed of rotation is 23 m/s.

1. 0.25 s
2. Sqrt (0.05) s
3. 0.05 s
4. 0.1 s
Physics

1. 0.5 m/s
2. 0.6 m/s
3. 0.7 m/s
4. 0.8 m/s

1. 0.5 m/s
2. 0.6 m/s
3. 0.7 m/s
4. 0.8 m/s
Physics

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2. Down
3. Left
4. Right

1. Up
2. Down
3. Left
4. Right
Physics

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2. Down
3. Left
4. Right

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2. Down
3. Left
4. Right
Physics

1. Up
2. Down
3. Left
4. Right

1. Up
2. Down
3. Left
4. Right
Physics

1. Up
2. Down
3. Left
4. Right

1. Up
2. Down
3. Left
4. Right