# Mathematics of Physics Chapter Exam

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### Page 1

#### Question 1 1. If you are driving at a speed of 55.0 miles per hour, then what is your speed in meters per second? (Hint: 1 mile = 1,600 meters.)

#### Question 2 2. A burrito artist can make 14 burritos in 5 minutes. How many burritos can she make in one hour?

####
Question 3
3.
Simge's guinea pig weighs *exactly* 560. grams. Which of the following most accurately expresses the weight of Simge's guinea pig in scientific notation?

#### Question 4 4. How many significant figures are in 54,050?

#### Question 5 5. What is z in terms of x?

### Page 2

#### Question 6 6. If you add 50.0 mL of water to a beaker containing 22 mL of water, then how much water do you have in the beaker?

#### Question 7 7. Which of the following is the closest to a mass of 500 mL of water?

#### Question 8 8. What is x?

#### Question 9 9. How many mL are in 3.4 L?

#### Question 10 10. What is the slope of the line given by the equation y + 3x = 2?

### Page 3

####
Question 11
11.
An empty container has a mass of 62.000 grams. You fill it with 24.6 mL of a liquid. The final mass of the container is 81.34 grams. What is the density of the liquid to the correct number of significant figures?

(density of the liquid = mass of the liquid divided by the volume of liquid)

#### Question 12 12. One mole of aluminum atoms has a mass of 27 grams. How many grams are in 9.0 moles of aluminum?

#### Question 13 13. Temperature is a measure of:

#### Question 14 14. As water heats up from 280 K to 310 K, the average kinetic energy of its molecules will:

#### Question 15 15. Which of the following graphs MOST likely represents the equation y = 5.2x-2?

### Page 4

#### Question 16 16. The density of mercury is 13.6 g/mL. What is its density in lbs/L? (Hint: 1 lb = 0.454 kg)

#### Question 17 17. Absolute zero is:

#### Question 18 18. Ten less than half a number is 76. What is the number?

#### Question 19 19. What is the density of a solid that has a mass of 9.2 grams and a volume of 12.3 cm3 ? Would this object float or sink in water?

#### Question 20 20. What is x?

### Page 5

#### Question 21 21. What is x?

#### Question 22 22. The lines a and b are parallel lines of length 5 and 2. The lines d and e are parallel to one another, and both are perpendicular to a and b. What is the length of c?

#### Question 23 23. Which Kelvin temperature is equal to 25 degrees Celsius?

####
Question 24
24.
The area of a rectangle can be found by multiplying its length by its width. What is the area of a rectangle that is 5.6 cm in length and 9.24 cm wide?

Report your answer with the correct number of significant figures.

#### Question 25 25. Which of the following equations has a slope equal to -1/4?

### Page 6

#### Question 26 26. What is x?

#### Question 27 27. Jill and Brian divided up $1900 between two investment accounts. Jill's account earns 4% interest and Brian's earns 3%. If their combined interest earns them $70, then how much was originally invested in each account?

#### Question 28 28. Suzie's Snakes and Salamanders Pet Shop has 38 snakes and 22 salamanders. If Suzie sells 9 snakes, what is the ratio of the remaining unsold to sold snakes?

#### Question 29 29. If a guitar costs 25% more than a $900 drum kit, then how much is the guitar?

#### Question 30 30. Scott paddles a canoe upstream in 4 hours, then returns downstream in 1 hour. If the river flows at 3 miles per hour, then what would Scott's paddling speed be in calm water?

#### Mathematics of Physics Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!