Physics
Easy

Question

# A boy moves a tied stone above his head in circles, time period of circular motion is 2 sec and it forms a circle of 20 cm radius. What is the speed of rotation?

## 0.5 m/s0.6 m/s0.7 m/s0.8 m/s Hint:

## The correct answer is: 0.7 m/s

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Physics

### What is the direction of the velocity at point mentioned if the ball is revolving clockwise. At point B Physics

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Physics

### Which of the following depicts the direction of velocity of the ball circulated around a point?  Physics

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Physics

### What is the relation between radius, velocity, and time period? Physics

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Physics

### If there is a change in the rate of rotation, then the circular motion will be _______. Physics

Physics

Physics

### What is the centripetal force for an object of mass 50 Kg with the following specifications moving in a uniform circular motion.Distance between the object and the axis point is 100 cm. Object’s speed is 40 m/s.   #### With Turito Foundation. #### Get an Expert Advice From Turito.  