A rod of length 2 m is pivoted at one end A and freely rotated in horizontal plane at an angular velocity of 6 rad s–1, about vertical axis passing point A. Suddenly temperature of system is increased by 200°C. The percentage change in its angular speed is nearly (α = 3 × 10–4 K–1)

 A rod of length 2 m is pivoted at one end A and freely rotated in horizontal plane at an angular velocity of 6 rad s–1, about vertical axis passing point A. Suddenly temperature of system is increased by 200°C. The percentage change in its angular speed is nearly

(α = 3 × 10–4 K–1)

	18.6%
	41%
	12%
	36%