the refractive index of light going from air to glass is 1.5, what will be the refractive index of light going from glass to air

What is the speed of a plane that traveled 1500 km in 2.5 hours? How far would that same plane travel in eight hours if it maintained a constant speed?

7. You are floating motionless on a rubber raft in thelmiddle of a pool. A friend forms a wave by slapping the water every second. Will the wave carry you to the edge of the pool? Explain your answer.

A current cannot produce a magnetic field. * True or false

What kind of pressure are expressed in inches of water column?

how is the position of the full moon in relation to earth and the sun different from the position of the fall Venus in relation to earth and the sun

A woman with a mass of * kg is standing on the rim of a large disk that is rotating at an angular velocity of 0.550 rev/s about an axis through its center. the disk has a mass of * kg and a radius of * m.

12. Too much socializing in the workplace can

What magnetic field strength is needed in each magnet to steer protons around the ring with a speed of 4.5 * 107 m/s? Assume that the field is uniform inside the magnet, zero outside.

The parts of a longitudinal wave that are closet together?

If a basketball travels a distance of 4 meters in 5 seconds, what is its average speed? A. 4 meters / second B. 0.8 meters/second C. 1.2 meters/second D. 5 meters/second