Which phase change is the reverse of condensation?

a) freezing

b) sublimation

c) vaporizing

d) melting

A particle of mass M moves along a straight line with initial speed vi. A force of magnitude F pushes the particle a distance D along the direction of its motion.

How much do you know about the water cycle and the impact that humans have on the water cycle?

Lakes A) always contain fresher water B) are recharged by precipitation C) are usually found near the equator D) accounts 25% of earths freshwater

A traffic light weighs 214.8 N and is supported by two wires with an angle of 129.4° between them. If the tensions in the wires are equal, what is the tension in each wire?

Where do most of the visible electromagnetic waves on Earth come from?

Emily jogs 3 laps at the track to warm up. She jogs at 5 mph. Then she runs 3 more laps at 7 mph. What is true about her average speed and her average velocity?

Which of the following elements are the most reactive? beryllium, calcium, magnesium, barium?

1.) State which definition of power below is correct. A.) the energy transferred per hour. B.) the energy transferred. C.) the energy transferred per second. D.) the force over a distance. 2.

Science and technology are closely related, but not the same. Which of the following is most likely a result of technology, not science?

Ashlee pours some quantity of orange juice in a glass. She accidentally breaks the glass and juice spills all over the floor. Which characteristic of the juice will change? A. mass B. State C. Shape D. Volume