Which of Newton's Laws explains why satellites need very little fuel to stay in orbit?

a) 'First Law

B

Second Law

C

Third Law

When is the velocity of a mass on a spring at its maximum value? A. when the mass has an acceleration of zero B. when the mass is moving downward C. when the mass has maximum displacement D. when the mass is at rest

According to Faraday's law, voltage cannot be changed by changing the magnetic field strength.

What happens to the speed of an object that is dropped in free fall

19. A young woman named Kathy Kool buys a superde- luxe sports car that can accelerate at the rate of 16 ft/s2. She decides to test the car by dragging with another speedster, Stan Speedy.

What is the main fuel consumed in the core of a red giant? a. H b. C c. Fe d. He

Along some shorelines, incoming waves cause the water to simply rise and fall rather that form a surf zone. What does this tell you about these shorlines?

Which word best describes the rate at which work is done? work energy power velocity

Explain why a valve would last longer in the pulmonary position than in the aortic position

Think about the process of heating water, the heating and upward motion of hot steam and air, and the spiral spinning. For these events, list each form of energy associated with the heat source, the water, the steam and air, and the spiral.

A long rope with mass m is suspended from the ceiling and hangs vertically. A wave pulse is produced at the lower end of the rope, and the pulse travels up the rope.