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The area of a circular plate is calculated using the formula A = πr^2, where r is the radius of the circle. Given that the radius of the circular plate is 12 centimeters, the area would be A = π(12)^2 = 144π square centimeters, which is approximately 452.39 square centimeters.

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What is the formula for the centripetal acceleration of an object moving in a circular path, where the acceleration (a) is equal to the square of the velocity (v) divided by the radius (r)?

The formula for centripetal acceleration is a v2 / r, where a is the acceleration, v is the velocity, and r is the radius of the circular path.


Factors that affect tha increase of centripetal force in uniform circular motion?

Centripetal force increases with an increase in the speed or radius of the circular motion. It is inversely proportional to the radius of the circle and directly proportional to the square of the velocity. Generally, any factor that increases the velocity or decreases the radius will increase the centripetal force.


What will happen to centripetal force if both speed of body and radius of its circular path are doubled?

If both the speed of the body and the radius of its circular path are doubled, the centripetal force required to keep the body moving in a circular path will quadruple. This is because centripetal force is directly proportional to the square of the speed and inversely proportional to the radius of the circular path.


What are the factors affecting the centripetal force of a whirling body?

The factors affecting the centripetal force of a whirling body include the mass of the body, the velocity at which it is moving, and the radius of the circular path it is following. Additionally, the centripetal force is directly proportional to the square of the velocity and inversely proportional to the radius of the circular path.


What is the formula for calculating the area of a circle in terms of the radius, expressed in square c units?

The formula for calculating the area of a circle in terms of the radius is A r2, where A represents the area and r is the radius of the circle, expressed in square units.

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What will be the velocity of a satellite which is revolving around the earth in a circular orbit the radius R if the radius is increased from R to RR what will be the velocity?

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