The luminous star Alnilam in the Orion belt is 1,340 light-years away from Earth. Use the conversion factor 1 parsec = 3.262 light-years to find the closest conversion of this distance from light-years to parsecs (pc).

Which of the following is/are the best example (s) of elastic collision (s) ? Explain why you chose your answer. A) A collision between two billiard balls. B) A collision between two automobiles. C) A basketball bouncing off the floor.

Why is chlorinated swimming pool water a homogeneous mixture?

A car with a loud bass speaker drives by a house. The windows of the house vibrate significantly. What term best describes why the windows vibrate?

Which of Earth's compounds makes the planet unique because it can exist in solid, liquid, or gaseous states under normal conditions? A. water B. methane C. ammonia D. ozone

Wat is the apparatus used to measure mass and volume

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.

An electric force exists between which pair of objects? Check all that apply. A) a neutral object and a negative object two negative objects B) a neutral object and a positive object C) two positive objects D) a negative object and a positive object

A person jogs 40 km in 32 minutes then 20 km in 22 minutes and finally 10 km in 16 minutes what is his average speed in in per minute