The wheel of a car is rotating at the rate of 1200 revolution per minute. On pressing the acceleration for 10 seconds. It starts rotating at 4500 revolutions per minute. The angular acceleration of the wheel is

Q: The wheel of a car is rotating at the rate of 1200 revolution per minute. On pressing the acceleration for 10 seconds. It starts rotating at 4500 revolutions per minute. The angular acceleration of the wheel is

(a) 30 radians/second2

(b) 1880 degrees/second2

(c) 40 radians/second2

(d) 1980 degrees/second2

Ans: (d)