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°

When we say that an object wants to maintain its state of motion, we're talking about inertia. Which term determines the quantity of inertia for an object?

A bicyclist in the Tour de France crests a mountain pass as he moves at 18km/h. At the bottom, 3.6km farther, his speed is 60km/h. What was his average acceleration (in m/s^2) while riding down the mountain?

A batter swings and hits a pitched baseball far over the left field wall. at the moment the baseball contacts the bat, which object exerts a larger force

Carter pushes a bag full of basketball jerseys across the gym floor. The bag weighs 21 newtons. If he pushes the bag 9 meters in 3 seconds, how much power does he use?

What people group was not targeted for estermination by the germans?

A liquid filled sealed system has cylinders with movable pistons on each end. The face of one piston has an area of 5 cm². The other piston has an area of 500 cm² and is supporting a weight of 2 kN on it.

A turntable is spinning on a frictionless axle when a ball of putty is dropped onto it from above. The putty sticks to the turntable when it lands. Is angular momentum conserved for the turntable and putty (the system) during this process?

A cheetah can run from 0 to 70 mph in 2.2 seconds. what is the cheetah's top speed in m/s?

Which statement about how light travels is true? A Light waves need a medium to travel, and they travel at the same speed even if the light source is moving.

Explain why the car reaches a top speed even though the thrust Force remains constant at 3500N