1. Which of the following is NOT an example of projectile motion?
   1. A football thrown in the air 10 yards
   2. A ball that has rolled off a table
   3. A plane accelerating on a runway
   4. An apple that has fallen from a tree

1. Assuming a negligible amount of air resistance, for an object in projectile motion, in what direction is the velocity of the object constant?
   1. Horizontal
   2. Vertical
   3. Both
   4. None

1. Assuming a negligible amount of air resistance, for an object in projectile motion, in what direction is the velocity of the object accelerating?
   1. Horizontal
   2. Vertical
   3. Both
   4. None

1. A 5 kg cannonball is dropped from a cliff that is 120 m tall. At the same time, an 8 kg cannonball is launched directly horizontally at 6 m/s from a height of 120 m. Each cannonball has the same shape. Assuming a negligible amount of air resistance, which object will hit the ground first?
   1. The dropped cannonball
   2. The horizontally launched cannonball
   3. They hit at the same time
   4. There is not enough information

1. A baseball is thrown horizontally at 8 m/s. How long will it take the ball to travel a range of 40 m (assuming it doesn't hit the ground before then)?
   1. 5 s
   2. 8 s
   3. 40 s
   4. 320 s

1. A water balloon is dropped from a skyscraper. How tall is the skyscraper if the ball reaches the ground in 10 seconds?
   1. 4.9 m
   2. 49 m
   3. 490 m
   4. 4900 m

1. A juggler throws a ball directly upwards in the air. What is the velocity and acceleration of the ball at its maximum height?
   1. Velocity is 0 m/s and Acceleration is 0 m/s²
   2. Velocity is 0 m/s and Acceleration is -9.8 m/s²
   3. Velocity is non-zero and Acceleration is 0 m/s²
   4. Velocity is non-zero and Acceleration is -9.8 m/s²

1. What is the phenomenon when two waves combine and cancel each other out?
2. Constructive Interference
3. Resonance
4. Destructive Interference
5. Doppler Effect

1. What is the phenomenon called that changes the frequency of a sound as an ambulance drives by?
2. Constructive Interference
3. Resonance
4. Destructive Interference
5. Doppler Effect

1. What is the phenomenon when two waves combine and make a bigger wave?
2. Constructive Interference
3. Doppler Effect
4. Destructive Interference
5. Resonance

1. What variable measures the distance from equilibrium to crest?
2. Amplitude
3. Frequency
4. Wavelength
5. Period

1. Which type of wave transmits energy by moving the position of the medium particles perpendicular to the direction the energy travels?
2. Transverse
3. Sound
4. Longitudinal
5. Electromagnetic

1. Which type of wave does not require a medium?
2. Transverse
3. Sound
4. Longitudinal
5. Electromagnetic

1. The relationship between wavelength and frequency is _______________________.
2. Direct
3. Linear
4. Inverse
5. There is no relationship