A roller coaster starts from the top of a hill at rest with a potential energy of 3300 J.

If you know the force applied to an object and measure its acceleration, which equation would you use to calculate the object's mass?

Which are characteristics of light? Check all that apply. can be bent by objects can be taken in by objects can be stopped by objects can bounce off objects can be changed by objects

What does an epidemiologist do? (write it in your own words)

What force besides gravity acts on a projectile?

What do you think would happen to the mass if the reaction took place inside a sealed plastic bag?

The transfer of energy between two objects by electromagnetic waves is called

What is the unit of k (spring constant) in SI system?

The teacher prepares 2.50 liters (L) of a salt solution for a class experiment. How many quarts (qt) are in 2.50 L? (1 quart = 0.943 liters)

What is a scavenger give some examples

What is a mealworm a worm, an insect or an amphibian