What is energy?

A. To make matter move or change

B. The ability to do work

C. It cannot be created or destroyed

D. All of the above

The charge of sphere 2 is twice that of sphere 1. which vector below shows the force of 2 on 1?

How does acceleration values differ mathematically from deceleration values?

A particle that has a mass of 2.5 kg is moving in the positive X-direction with a constant velocity of 1.6m/s. Suddenly a constant vertical force with a magnitude of 8N is applied in the positive Y-direction.

A circular ring of charge of radius b has a total charge q uniformly distributed around it. What is the magnitude of the electric field at the center of the ring?

On a cross-country trip, a couple drives 500 mi in 10 h on the first day, 380 mi in 8.0 h on the second day, and 600 mi in 15 h on the third day. what was the average speed for the whole trip?

The amount or the strength of force is called its

An airplane in flight has a pressure difference between the lower and upper wing surface; this provides an upward force that balances the weight of the plane.

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Why does momentum have a direction?

What is the difference between weight and mass?