STUDY GUIDE
1. Define the following:
speed, acceleration, velocity, instantaneous speed, average speed, vector, scalar
2. What are the SI units of measure for the following?
speed, position, distance, acceleration, velocity, time, acceleration due to gravity
3. A car is moving at a constant 30 km/h. How much distance does the car cover in 2 hours?
4. What does the speedometer of a car show us?
5. What does the odometer of a car show us?
6. A bike covering 500 m north in 50 seconds will have a constant velocity of:
7. Suppose you are in a car that is going around a curve. The speedometer reads a constant 30 miles per hour. Answer yes or no for each of the following questions.
Are you are accelerating?
Is the car accelerating?
Is your speed constant?
Is your velocity constant?
Is your acceleration constant?
Is your direction constantly changing?
8. An object travels east in a straight line 8 meters in the 1st second travel, 8 meters again during the 2nd second of travel, and 8 meters during the 3rd second.
What is the car’s speed?
Is the car’s speed changing?
Is the car’s velocity constant?
What is the car’s velocity?
Is the car accelerating?
9. In the absence of air resistance, for every second the object is in free fall
Will the speed it has each second increase, decrease or stay the same?
Will the distance it covers each second increase, decrease or stay the same?
Will the acceleration it has each second increase, decrease or stay the same?
10. A ball is thrown upwards and caught when it comes back down. In the absence of air resistance, the speed of the ball when caught would be ______.
- More than the speed of the ball when thrown upwards
- Less than the speed it had when thrown upwards
- The same as the speed it had when thrown upwards
11. Label each of the following as a vector or a scalar quantity.
speed, velocity, time, weight, acceleration, mass
12. An Olympic track star runs at a constant speed of 3 ft/s for 8 seconds. How much distance did she cover during that time?
13. If you drop a feather and a coin at the same time in a tube filled with air, which will reach the bottom of the tube first?
14. If you drop a feather and a coin at the same time in a tube without air, which will reach the bottom of the tube first?
15. What is the acceleration due to gravity near the surface of the earth?
What letter is used to symbolize acceleration due to gravity?
What are the units of measure for acceleration due to gravity?
16. What is the difference between a vector and a scalar?
17. What is the maximum resultant of a 5-unit vector and 3-unit vector?
What is the minimum resultant of a 5-unit vector and a 3-unit vector?
Using the graph below, label the following:
Label the:
independent variable
dependent variables.
horizontal axis
vertical axis
input
output
origin
18. A car accelerated at 5 m/s/s (5 m/s2 ) while changing its speed from 10 m/s to 30 m/s. How much time did this take?
19. Does a headwind cause a moving object to speed up or slow down?
20. Does a tailwind cause a moving object to speed up or slow down?
21. A ball falls off a roof and hits the floor in 2 seconds. How far did it fall?
22. If a cat travels 3 meters N and then 10 meters S, what is the resultant vector (1 point)?
23. If a child rides a bike with a speed of 11 m/s. If a wind pushes with the child at a speed of 6 m/s, what is the new speed of the child on the bike (1 point)?
24. What is the maximum resultant of a 5 unit vector and a 3 unit vector? What is the minimum resultant (2 points)?
OPTIONAL: Write a review problem and answer from Unit 1 that you would like to see on the test.
OPTIONAL: Write a word problem and answer from this unit that you would like to see on the test.
OPTIONAL: Write a question and answer from this unit that you would like to see on the test.
The OPTIONAL work must be turned in today.
Use a separate sheet of paper. Write your first and last name and Block at the top.
If your question is chosen to be on the test, you will receive bonus points on your test grade.
If two students submit the same question, the points will be divided between you.