Liquid rising in a thermometer as temperature increases is an example of what?

What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass

Abumper car with a mass of 250 kg is traveling at a speed of 4 m/s. this bumper car collides and sticks to a second bumper car with a mass of 250 kg, which is initially at rest. what is the final speed of these two bumper cars after the collision, assuming they remain stuck together?

What type of force holds atoms together in a crystal?