If the index of refraction is 2 the speed of light is ... times the speec

of vacuum?

Advantages and disadvantages of solar energy

A small diameter lead ball and a large diameter rubber ball are dropped from a tower. The balls hit the ground at the same time. What conclusion can be drawn about the force of gravity?

What does the term conclude mean

What kind of process can create "rogue" waves? a. Constructive interference c. Refraction b. Destructive interference d. Standing waves

A ball rolls along the floor with a constant velocity of 6 m/s. How far will it have gone after 50 seconds?

Archimedes tells us the lifting power of a balloon (how much mass it can lift) is equal to the difference between the mass of the balloon and the mass of the air it displaces.

What are the parts of a pendulum? Describe each part.

Why do space suits need to be pressurized?

Why do comets have tails?

The main characteristic of all vertebrates is the presence of a. cartilage b. a large brain c. a backbone d. an exoskeleton I got it. The answer was B