2) A baseball is hit by a bat, with a force of 1.0x10’N, and accelerates at 4.0x10?m/s². What is the ball's mass?

The chemical effect of the endocrine system is longer lasting than the chemical effect of the nervous system. select the best answer from the choices provided t f

What is the acceleration of a spaceship that is initially at rest and then speeds up to 220 m/s in 20 seconds

Aperson stands on a platform, initially at rest, that can rotate freely without friction. the moment of inertia of the person plus the platform is ip. the person holds a spinning bicycle wheel with its axis horizontal. the wheel has moment of inertia iw and angular velocity ωw. take the ωw direction counterclockwise when viewed from above. part a what will be the angular velocity ωp of the platform if the person moves the axis of the wheel so that it points vertically upward?