**Speed – Chapter 11 – Quiz Questions #1**

pp. 363 - 369

- Define DISPLACEMENT.

- Define SPEED.

- Define VELOCITY

- Which should you use in calculating how many gallons of gas you will need to make a road trip – distance or displacement? Give your answer and explain.

- Explain the concept of “frame of reference.”

- You are on a boat going down a river at 5 km/hr. The river is flowing in the same direction at 2 km/hr. What is the combined speed of the boat? What would the speed of the boat be if you reversed your direction of travel and went upstream?

- What is the formula for determining average speed?

- What is meant by the term “instantaneous speed?”

- What does the term “average speed” mean?

- You are in a car traveling forward at 35 miles/hr. It is raining. There is no wind. Why does the rain appear to be coming straight towards the windshield?

- List 3 units of measurement for … a) distance, b) time, c) speed, d) velocity

- Speed is dependent upon what two factors?

- What is the difference between SPEED and VELOCITY?

- CAR #1 is going 25 km/hr on the highway. CAR #2, going 50 km/hr just passedCar #1. a) If your frame of reference is car #1, what is the speed of car #2? b) If your frame of reference is car #2, what is the speed of car #1?

- A skateboard is heading towards a tree at 3 km/hr. Describe what you see from these frames of reference: a) the skateboard, b) bystander on the side of the path, c) the tree.