A car speeds up as it rolls down a hill. Which is this an example of? A. positive acceleration B. negative acceleration C. relative velocity

If an atom of sodium combines with (captures) an alpha particle that has 2 protons and 2 neutrons, its new mass number will be A) 13 amu B) 15 amu C) 25 amu D) 27 amu

What's the easiest way to add energy to matter?

The ideas, things, or events people feel are important are called a. Values b. attitude. c. Relationship d. conflicts

Match the term to the correct description. ~A type of circuit where part of the loop is broken. ~The flow of electrons. ~A loop that creates a pathway for electricity to follow. ~A type of circuit with only one path for the electricity to follow.

A 75-kilogram bicyclist coasts down a hill at a constant speed of 12 meters per second. What is the kinetic energy of the bicyclist? (1) 4.5 * 10^2 J (3) 5.4 * 10^3 J (2) 9.0 * 10^2 J (4) 1.1 * 10^4 J

justin pushes basket of toys with 50N of force for 3 meters in 100 seconds. how much work did he do on the basket

In general, what can be said about metals.

If the moon did not have an atmosphere what would happen to it

Density is calculated by: dividing volume by mass dividing mass by volume multiplying mass and volume multiplying mass and gravity

The Burj Khalifa in Dubai is the tallest building in the world at about 828 m. A daredevil climbs to the top of the building and sees the the Boulevard Plaza 2 (141 m tall) about 300 m away.