What is the SI Unit for speed (or velocity) of a wave?

Describe in a couple sentences how the index of refraction is related to the speed of light?

Where along an active fault are you most likely to see a large earthquake?

Two stars have the same radius but have very different temperatures. the red star has a surface temperature of 3,000 k and the blue star has a surface temperature of 156,100 k. by what factor is the blue star more luminous compared to the red star

Star formation begins when

How does friction with the atmosphere affect the speed of an artificial satellite

What is the most advanced life form on earth

Which EM wave is about the size of humans?

Describe how the Catapult works?

Newton's third law of motion states that the force pair acting on different objects consist of two forces that

While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to change the light bulb to a higher resistance, but she wanted to keep the current the same.