Who thought the earth was the center of the universe

You are standing on a skateboard, initially at rest. a friend throws a very heavy ball towards you. you can either catch the object or deflect the object back toward your friend (such that it moves away from you with the same speed as it was

What is the best explanation of work? A. Work occurs when energy acts on an object. B. Work occurs when a force acts on an object and causes a displacement of that object. C. Work occurs when a force acts on an object. D.

Which illustration represents the substance at a higher temperature

A train travels at a speed of 24 m/s. Then it slows down uniformly at until it stops. What distance does the train travel while slowing down?

Which region of the Sun is typically about 6,000 C?

Science and technology are closely related, but not the same. Which of the following is most likely a result of technology, not science?

Ashlee pours some quantity of orange juice in a glass. She accidentally breaks the glass and juice spills all over the floor. Which characteristic of the juice will change? A. mass B. State C. Shape D. Volume

A car travels along a straight road at a steady 40 MPH. Are the forces on the car balanced or unbalanced? Explain.

Why doesn't a ball roll forever after being kicked at a soccer game!

When analyzing forces, it is allowable to break the motion and forces into horizontal and vertical components.