1. Shanelle is in a stationary truck with her mom, waiting to pick her brother up from soccer practice. Which is the best reference point for her to use to determine when the truck starts and begins to move?
A. The SUV that is parked next to them. ****
B. A soccer goal in the field next to the car.
C. One of the players walking to their car.
D. A player riding their bike home from practice.
2. What is the equation for speed?
A. speed = distance x time
B. speed = mass x acceleration
C. speed = time/distance
D. speed = distance / time *****
3. Which of the following scenarios does NOT give an example of velocity?
A. The bird flew north. *****
B. The train went west at a speed of 100mph.
C. The hawk circled its prey in the air at a speed of 10 miles per hour.
D. The quarterback threw the football 50mph to the right so that the receiver could catch it.