If we think of the human body as a system, how does eating food relate to feeling hungry and to the digestive system? A. Eating is the purpose of the human body system. B. Eating is only an output of feeling hungry. C. Eating is only an input for the digestive system. D. Eating is a feedback between hunger and digestion.

A51 kg woman skis down a hill and her kinetic energy is 9.96e4 j. what is her speed?

A10-kg piece of aluminum sits at the bottom of a lake, right next to a 10-kg piece of lead, which is much denser than aluminum. which one has the greater buoyant force on it? explain. b - the aluminum a) both have the same buoyant force. b) the aluminum c) the lead d) it cannot be determined without knowing their volumes.

Carmen is load furniture and boxes onto a moving truck. she picks up boxes of her things, places them on a cart, and pushes the cart to the moving van. which term best describes the type of force carmen uses? a. contact b. friction c. gravity d. noncontact