10. Explain why when you accelerate down a big hill on a rollercoaster, you feel lighter. Apply this to Newton's Laws of Motion.​

Aparticle travels in a circular orbit of radius 21 m. its speed is changing at a rate of 23.1 m/s2 at an instant when its speed is 37.2 m/s. what is the magnitude of the acceleration (in m/s? ) of the particle?

Aregion of space in which a measurable gravitational force is indicated by the force exerted on a test mass is called

What is required for an electric charge to flow through a wire? zero resistance in the wire a balance of electric potential high resistance in the wire a difference in electric potential