The source of the centripetal force that arises when a runner rounds a curve on a track is

What is work? how much work is done to move an object 0 meters?

Aball is thrown straight up into the air with a speed of 21 m/s. if the ball has a mass of 0.1 kg, how high does the ball go? acceleration due to gravity is g = 9.8 m/s^2. a. 22.5 m b. 20.0 m c. 25.0 m d. 17.5 m

Which lists the organs in the correct order as food passes from the mouth to anus?