The area under a velocity-versus-time graph of an object is

What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?

If jerome is swinging on a rope and transferring energy from gravitational potential energy to kinetic energy, is being done.

Imagine that you have two balloons (or, better yet, actually inflate two balloons, if possible). create static electricity around one of the balloons by rubbing it against your hair or your sweater and then bring that balloon close to the other balloon, which has not been charged. try this with at least one other object—and for variety in the discussion, avoid using an object already described by your classmates. then, for your initial post to the discussion, answer the following questions: what happened with the two balloons?