A) 0.690 J B) 0.750 J C) 0.902 J D) 0.870 J
Posted: Wed Jun 08, 2022 7:31 pm
A) 0.690 J
B) 0.750 J
C) 0.902 J
D) 0.870 J
An ice dancer with her arms stretched out starts into a spin with an angular velocity of 1.00 rad/s. Her moment of inertia with her arms stretched out is 2.48 kg m². What is the increase in her rotational kinetic energy when she pulls in her arms to make her moment of inertia 1.40 kg m²?
B) 0.750 J
C) 0.902 J
D) 0.870 J
- A 0 690 J B 0 750 J C 0 902 J D 0 870 J 1 (10.26 KiB) Viewed 18 times
- A 0 690 J B 0 750 J C 0 902 J D 0 870 J 2 (10.26 KiB) Viewed 18 times