Force = mass times acceleration

How is amplitude changed in an instrument or tuning fork

The particles ejected from the sun during a coronal mass ejection is called

A 2000kg coaster is released 40 meters above the ground on a frictionless track. What is the approximate speed at ground level?

As energy transformations occur within a system, the total energy of the system it A) increases B) decreases C) remains constant D) is transferred out of the system 2

An oil storage tank ruptures at time t = 0 and oil leaks from the tank at a rate of r (t) = 115e-0.01t liters per minute. How much oil leaks out during the first hour? (Round your answer to the nearest liter.) liters

The train speeds passed Holly at 70 km/h north ward. This spider crawls past lukes foot in the same direction at 30 m/h. What is the velocity of the spider relative to Holly?

What is the name of a particle with no charge in an atom?

What voltage produces a current of 500 amps with a resistance of 50 ohms?

What is cell in electricity?

When a siren is approaching you, how does the wavelength of the waves reaching you compare to the actual wavelength that the siren emits?