Which of the following is the best reason to rest muscle groups between workouts?
a. it allows the muscles to store more energy.
b. it allows you to focus on other muscle groups.
c. it allows the muscles time to heal.
d. it allows the muscles to properly overload

For general projectile motion, when the projectile is at the highest point of its trajectory, its acceleration is zero? a)the horizontal and vertical components of its velocity are zero. b) its velocity is perpendicular to the acceleration. c)the horizontal component of its velocity is zero. d)its velocity and acceleration are both zero.

The act of moving from one place to another. a. locomotor b. aerobic c. stationary d. static

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?