what-is-the-angular-acceleration-of-the-forearm-when-it-propels-a-150-kg-apple-f

Question

What is the angular acceleration of the forearm when it propels a 1.50-kg apple from rest to 8.6 m/s in 0.39 s, solely through elbow rotation driven by the triceps muscle?

Illustration of a forearm with an apple, showing the axis of rotation at the elbow and the triceps muscle.

Accepted Answer

68.91rad/s²

Answer

43.19rad/s²

Answer

70.11rad/s²

Answer

99.11rad/s²