How does the speed of sound in water compare to the speed of sound in air

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?