Refraction occurs when a wave

a.

enters a new medium at an angle.

b.

hits a surface through which it cannot pass.

c.

moves around a barrier.

d.

interferes with another wave.

Which state of matter has the greatest distance between the individual particles? A) Ice B) water C) steam D) they are all the same

The step by step experiment to determine the cubic expansivity of a liquid

A 1400 kg car is moving at 12 m/s when the driver stops a car what increase in the thermal energy of the car and it surroundings results from a find the brakes to bring the car to a stop

What is the value of the temperature 15 degrees Celsius in degrees Kelvin? a. 455 degrees b. 475 degrees c. 288 degrees d. 258 degrees

Motions in your arms, legs, hips, and neck are all related to the use of inclined planes. Answer a. True b. False

Un móvil parte del reposo y, al cabo de 5 s, alcanza una velocidad de 5 m/s; a continuación, se mantiene con esa velocidad durante 4 s, y en ese momento frena uniformemente y se detiene en 3 s.

A 2.0-kilogram mass is located 3.0 meters above the surface of Earth. What is the magnitude of Earth's gravitational field strength at this location? (1) 4.9 N/kg (3) 9.8 N/kg (2) 2.0 N/kg (4) 20. N/kg

How long did the astronauts stay on the moon?

Brenda is standing on the beach; the sea is choppy. she observes that the crests of distant waves appear not only smaller, but also closer together than do the crests of waves nearer the beach. this example illustrates a depth cue known as:

If two waves in the same space interfere completely destructively, which of the following occurs? A. The amplitude decreases. B. The amplitude increases. C. The wave speed increases. D. The wave speed decreases.