An object of mass m is traveling at constant speed v in a circular path of radius r. how much work is done by the centripetal force during one half of a revolution?

Apulley with a mechanical advantage of 5 will require you to pull times the amount of rope. a. 1/5 b. 5 c. 10 d. 15

The photo shows sugar dissolved into a solution with excess sugar at the bottom of the jar this type of solution is classified as a. unsaturated b. compound c. saturated d. plasma

Achild has maximum walking speed of 1.6 m/s. what is the length of the child's legs? 0.26 m