How do light waves behave compared to sound waves?

When a contest between two candidates is very close, people are a. more likely to vote. b. less likely to vote. c. unlikely to notice.' d. more likely to join a political party.

Why did the scientific community initially reject Wegener's theory of continental drift? Wegener could not explain what made the continents move. Wegener thought mountains formed from the shrinking of Earth.

A 60 kg box is lifted by a rope a distance of 10 meters straight up at constant speed. how much power is required to complete this task in 5 seconds?

Explain how you could determine the mass and volume of a gas

Humpty and Dumpty attempt a tug-of-war with a 16-meter-long rope standing on a smooth frictionless surface. Upon pulling the rope, how far will each one of them slide before they meet each other, if their mass is exactly the same?

When distances were carefully measured from Earth to globular clusters above and below the Milky Way plane (where our view of them is not obscured by interstellar dust and gas), their distribution was found to be

Imagine you transfer heat into a gas. This heat splits up in two different ways: Additional thermal energy making the gas hotter and "fuel" for the gas to do work. Let's suppose, 64% of the transferred heat transforms into thermal energy.

How much heat is absorbed by a 61g iron skillet when its temperature rises from 5oC to 29oC?

Explain the relationship between motion and frame of reference.

Two students are looking at a brightly lit full Moon, illuminated by the reflected light from the Sun. Consider thefollowing discussion between the two students about what the spectrum of moonlight would look like.