Physics Final

Which of the following graphs shows constant velocity?

• 
• 
• 

Which term is used to describe how far an object is from a reference point?

• speed

• velocity

• distance

• displacement

Which of the following is a change in velocity?

• acceleration

• speed

• uniform motion

• displacement

In order for the Road Runner to escape Wile E. Coyote, he had to run a distance of 100m and accomplished this feat in 30 seconds. What was his velocity in m/s?

• 3.3 m/s

• 3000 m/s

• 0.3 m/s

• 130 m/s

What is the momentum of a 1230 kg car traveling at a velocity of 15 m/s?

• 1845 kg*m/s

• 83 kg*m/s

• 18450 kg*m/s

• 1215 kg*m/s

The rate at which work is done is called ______.

• work

• potential energy

• kinetic energy

• power

The energy of a moving object is called ______.

• potential energy

• kinetic energy

• chemical energy

• momentum

When you throw a ball into the air, the total mechanical energy of the ball at any point in its flight can be expressed as kinetic energy ______ potential energy.

• multiplied by

• plus

• minus

• divided by

As an object falls toward Earth, the potential energy of the object _______.

• increases

• decreases

• stays the same

• cannot be determined

What is the kinetic energy of a shot put with a mass of 9.0 kg and a velocity of 5.0 m/s?

• 22.5 J

• 112.5 J

• 450 J

• 45 J