A car travels 10 miles East in 30 minutes. What is its velocity in miles per hour? A) 20 miles per hour East B) 3 miles per minute East C) 0.333 miles per hour East D) + or - 20 miles per hour depending on direction

When a gas in a container is squeezed to half its volume, its density?

Which blow from west to east, following the boundary between hot and cold air?

You are located in New York, NY, United States. Your friend is located in Panama City, Panama. You see a waning gibbous in your clear night sky. What phase, if any, will your friend see if the night sky in Panama City is also clear?

What is the result part of the universal system model

What is required for a sound wave to be reflected?

Which statement best describes how waves carry energy? A. Energy moves from one place to another through the wave. B. Energy increases as it moves through the wave. C. Energy is completely consumed by the beginning of the wave. D.

What forces act upon an object dropped in a vacuum

If Galileo's experiment did not measure the speed of light, what did it measure?

What best describes the angle between a changing electric field and the electromagnetic wave produced by it? 1. always equal to a right angle 2. always less than a right angle 3. varies from parallel to perpendicular 4.

Which data set has the smallest standard deviation? A. 1,6,19,20,85,29,0 B. 22,22,23,23,22,22,23 C. 6, 7, 6, 7, 1004, 980, 350 D. 99, 199, 299, 55, 44,33, 22