In which case is work being done?

A. When an object has an initial velocity of zero

B. When an object moves during a certain amount of time

C. When a force is exerted on an object

D. When a force makes an object move over a distance

Which term describes a possible explanation of, or answer to, a scientific question that is based on prior knowledge or research and that is testable?

What is the formula to find PE and KE?

After a 0.260-kg rubber ball is dropped from a height of 19.5 m, it bounces off a concrete floor and rebounds to a height of 15.5 m. (a) Determine the magnitude and direction of the impulse delivered to the ball by the floor.

If Jim could drive a Jetson's flying car at a constant speed of 280 km/hr across oceans and space, approximately how long (in millions of years, in 106 years) would he take to drive to a nearby star that is 8.1 light-years away? Use 9.

List the outer planets from smallest to largest

Mrs. Newman's class decides to perform an experiment during a class connect session to determine how long it takes different objects to hit the floor when dropped from the student's desk. Each student dropped three notebooks, one weighing 0.

how does The electric force between charged objects change as the other objects move away from each other

A 50 kg man stands on the surface of a frozen pond. In order to get to the side of the pond he throws his 1 kg shoes at a speed of 10 m/s. After that what's the speed of the man? (neglect all frictions)

What is the definition of matter

Wavelength of a sound wave decreases so that it has a higher frequency. Which characteristics would you also expect to change? A) color B) volume C) pitch