Physics
Grade-10
Easy

Question

# 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?

Hint:

## The correct answer is: 31.4 m/s

Grade-10
Physics

### What is the direction of the velocity at point mentioned if the ball is revolving anticlockwise?At point D

PhysicsGrade-10
Grade-10
Physics

### What is the direction of the velocity at point mentioned if the ball is revolving anticlockwise?At point C

PhysicsGrade-10
Grade-10
Physics

### What is the direction of the velocity at point mentioned if the ball is revolving anticlockwise?At point B

PhysicsGrade-10
Grade-10
Physics

### What is the direction of the velocity at point mentioned if the ball is revolving anticlockwise?At point A

PhysicsGrade-10
Grade-10
Physics

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

PhysicsGrade-10
Grade-10
Physics

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

PhysicsGrade-10
Grade-10
Physics

### An object is moving at a uniform speed in a counterclockwise, horizontal circle. Which of the following images correctly depicts the force and velocity at a point in time?

PhysicsGrade-10
Grade-10
Physics

### A boy moves a tied stone above his head in circles, time period of circular motion is 4.4 sec, and its speed of rotation is 42 m/s. What is the radius of the circle formed?

PhysicsGrade-10
Grade-10
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.

PhysicsGrade-10
Grade-10
Physics

### 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?

PhysicsGrade-10
Grade-10
Physics

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

PhysicsGrade-10
Grade-10
Physics

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

PhysicsGrade-10
Grade-10
Physics

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

PhysicsGrade-10
Grade-10
Physics

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

PhysicsGrade-10
Grade-10
Physics

### What is the velocity formula for uniform circular motion?

PhysicsGrade-10