An experiment invilves three charges objects: A, B, and C. Object A repels object B and attracts onject C. object C ir repelled by ebonite charged with fur. What is the charge on the object?

pretend that is not friction at all between a pair of ice rink. If a hockey player using this special pair of ice skates was gliding along on the ice at constant speed and direction, what would be required for him to stop?

Calculate the wavelength of an electron moving at 3.66x10^6 m/s

When a baseball is thrown straight upward, what is its acceleration at its greatest height? a. 9.8 m/s2 upward b. 9.8 m/s2 downward (my answer?) c. 0 m/s2 d. 9.8 m/s2 horizontally

A rock is thrown with an initial vertical velocity component of 30m/s and an initial horizontal velocity of 40 m/s. What is the maximum height of the rock?

1. What could be the energy of a flying aeroplane? 2. Is work the same as power?

1.) State which definition of power below is correct. A.) the energy transferred per hour. B.) the energy transferred. C.) the energy transferred per second. D.) the force over a distance. 2.

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!