A light ray in water is incident on a boundary with air at an angle of 22°. The refractive index of water is 1.33 and that of air is 1.00. What is the angle of refraction in air?

A) 15°

B) 22°

C) 30°

D) 45°

Which describes how sliding friction affects pushing a cereal box across a tabletop? It acts in the direction of motion. It acts in the direction opposite of motion. It is usually greater than static friction. It equals the weight of the box.

The "ring of fire" is the source of more earthquakes and volcanic activity than any other place on earth. What causes the ring of fire?

A brave child decides to grab onto an already spinning merry‑go‑round. The child is initially at rest and has a mass of 25.5 kg. The child grabs and clings to a bar that is 1.

You jump in a pool from the high dive and stop from 4 m/s in 1.5 seconds. What is your acceleration?

A bullet moves with a velocity of 500 m/s and has a KE of 900 J Compute it's mass.

The equilibrium price will rise, but equilibrium quantity may increase, decrease, or stay the same if a. demand increases and supply decreases. b. demand increases and supply increases. c. demand decreases and supply increases. d.

The nearest large galaxy to our own is about 2.5 million light-years away. how many meters is that

An automobile travels on a straight road for 25 km at 32 km/h. it then continues in the same direction for another 25 km at 64 km/h.

Why is it important for engineers to design bumper cars safely

What must her minimum speed be just as she leaves the top of the cliff so that she will miss the ledge at the bottom, which is 1.75 m wide and 9.00 m below the top of the cliff?