Chapter 5:1 Analysis Questions 1. Why do we calculate average

Chapter 5:1 Analysis Questions
1. Why do we calculate average speed instead of actual speed?
2. If you live 3.2 miles away from Mercer Middle School and it takes approximately 15 minutes to
get to school, what is your average speed?
3. If the average speed of a car is 110 km/hr, how long will it take the car to travel 415 km?
4. Which of the following are examples of velocity? Explain.
a. Traveling 65 mph.
b. Traveling 45 m/s south
c. Moving 30 mph toward your home.
d. Being stopped at a red light on Gum Springs Road.
5. Which of the following are examples of changing velocity?
a. Turning left onto Route 50 while moving 35 m/s
b. Coming to a stop at a red light on Gum Springs Road
c. Traveling 65 mph on I-95
d. Going around in a circle on your bicycle at a constant speed.
6. Explain why it is important to know a tornado’s velocity and not just its speed.
7. How is the scientific meaning of acceleration different from how we use the term acceleration in
everyday life?
8. Identify three ways a car can accelerate.
9. You ride your bike around the block at a constant speed of 11 km/hr. Did you accelerate?
Explain.
10. You ride your bike in a straight line at a constant speed of 10 km/hr. Did you accelerate? Explain.
11. If you slow down on your bicycle, you accelerate. True or False?
12. If you ride your bicycle ate a constant speed, you cannot accelerate. True or False?
13. Name three items that undergo centripetal acceleration.
14. A student riding her bicycle on a straight, flat road covers one block every 7 seconds. If each
block is 100 m long, she is traveling at
a. Constant speed
b. 10 m/s
c. Constant velocity
d. Both (a) and (b)