A scientist spends most of his time observing the night time sky and tracking the orbits of planets. Which branch of physical science is he most likely studying?

A student wants to demonstrate entropy using the songs on her portable music player. What should she do to demonstrate the highest entropy? A. Play only the classical songs on shuffle. B. Play all the songs in order by artist. C.

Can you use newton in a sentence

A boat heads directly across a river. Its speed relative to the water is 2.6 m/s. It takes it 355 seconds to cross, but it ends up 690 m downstream. How fast is the boat going relative to the bank of the river?

Which isotope is most likely to be radioactive

Given a force of 56N and an acceleration of 7 m/s2 what is the mass?

Jack drops a stone from rest off of the top of a bridge that is 24.4 m above the ground. After the stone falls 6.6 m, Jill throws a second stone straight down. Both rocks hit the water at the exact same time.

How is Electric current able to flow?

In a series circuit, loads which have the same voltage dropped across them will have?.

When a brick is dropped from the roof of a house, it lands on the ground with a speed v. What will the speed at ground level be for an identical brick dropped from a roof twice as high as the first one?

The scientific method begins with recognizing a problem. The recognized problem in this scenario is, "Why is the printer in the office not working?" Choose the hypotheses that are testable and from which an experiment can be formed.