A lost satellite is moving through empty deep space far beyond the significant gravitational influence of any other object. Which of the following kinematical quantities are constant? I. speed II. velocity III. acceleration IV. displacement

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