PS Final Fall 2023

(ch11) Which BEST describes the difference between speed and velocity?

• Velocity is instantaneous
• Speed is a vector quantity
• Velocity includes rate of change and direction
• Speed includes rate of change and direction

(ch11) An object that is moving must have a change in

• its acceleration
• its speed
• its applied force
• its position

(ch11) A girl walks 4 steps forward and then 3 steps backward. The girls distance walked is ____ steps and her displacement is ____ steps.

• 7, 1
• 1, 7
• 3, 4
• 7, 7

(ch11) The speedometer in a car measures the car's

• instantaneous speed
• forward motion
• average speed
• deceleration

(ch11) A truck is traveling at a rate of -2 m/s/s. What is the truck doing?

• speeding up
• going backwards
• flying
• slowing down

What type of energy is shown in the picture?

• Elastic
• Chemical
• Kinetic

What type of energy is shown in the picture?

• Electrical
• Gravitational
• Radiant

What type of energy is shown in the picture?

• Elastic
• Chemical
• Kinetic

What type of energy is shown in the picture?

• Potential
• Elastic
• Hydroelectric

What type of energy is shown in the picture?

• Electrical
• Gravitational
• Radiant