Centripetal Acceleration

A car is moving at a constant speed of 20 m/s on a circular track with a radius of 50 meters. What is the centripetal acceleration of the car?

If the radius of a circular path is doubled while keeping the velocity constant, how does the centripetal acceleration change?

• It doubles

• It halves

• It remains the same

• It quadruples

What happens to the centripetal acceleration if the velocity of an object moving in a circular path is tripled?

• It increases by three times

• It decreases by three times

• It increases by nine times

• It decreases by nine times

An object is moving in a circle with a radius of 10 m at a constant speed of 2 m/s. Calculate its centripetal acceleration.