If the index of refraction of glass is 1.8 and the speed of light in air is 3.00 · 108 m/s, what is the speed of light in that glass? (round answer to nearest hundredth.)

1.67 * 10^8
6.00 * 10^-9
5.40 * 10^8

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island

A100-watt light bulb illuminates a solar cell. the electricity from the solar cell operates a water pump that delivers 1 watt of power. what is the efficiency of the system?

Aball thrown by ginger is moving upward through the air. diagram a shows a box with a downward arrow. diagram b shows a box with an upward arrow. diagram c shows a box with a downward and upward arrow equal in size. diagram d shows a box with a downward and upward arrow with the downward arrow larger in size. which force diagram represents the forces on the ball? you may neglect the effects of air resistance.