1. Intro to Physics Units

Counting Significant Figures

Significant Figures Step by Step | How to Pass Chemistry

Estimate the average speed with which the hair on your head grows. Give your answer in both m/s and m/hour. Briefly describe how you arrived at this estimate.

How many times does a human heart beat during a person’s lifetime? 
How many gallons of blood does it pump?

How many significant figures are in each of the following numbers? a) 0.0032 b) 10790 c) 08.02

How many times does a typical person blink her eyes in a lifetime?

Significant Zero Practice Problems (1.4)

With a wooden ruler, you measure the length of a rectangular piece of sheet metal to be 12 mm. With micrometer calipers, you measure the width of the rectangle to be 5.98 mm. Use the correct number of significant figures: What is (c) the perimeter of the rectangle?

How many gallons of gasoline are used in the United States in one day? Assume that there are two cars for every three people, that each car is driven an average of 10,000 miles per year, and that the average car gets 20 miles per gallon.

More on significant figures | Decimals | Pre-Algebra | Khan Academy

Measurement and Significant Figures

How many significant figures are there in each of the following values? (d) 0.07 x 10^8

Significant figures | Decimals | Pre-Algebra | Khan Academy

You are using water to dilute small amounts of chemicals in the laboratory, drop by drop. How many drops of water are in a 1.0-L bottle?

Why are Significant Figures Important?

A useful and easy-to-remember approximate value for the number of seconds in a year is π × 107. Determine the percent error in this approximate value. (There are 365.24 days in one year.)

Significant Figures and Zero (1.3)

As an architect, you are designing a new house. A window has a height between 140 cm and 150 cm and a width between 74 cm and 70 cm. What are the smallest and largest areas that the window could be?

The importance of significant figures

How many significant figures are in the value 60.780?

Four astronauts are in a spherical space station. (a) If, as is typical, each of them breathes about 500 cm3 of air with each breath, approximately what volume of air (in cubic meters) do these astronauts breathe in a year?

How many significant figures are there in each of the following values? (c) 75.0

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2. 1D Motion / Kinematics

3. Vectors

4. 2D Kinematics

5. Projectile Motion

6. Intro to Forces (Dynamics)

7. Friction, Inclines, Systems

8. Centripetal Forces & Gravitation

9. Work & Energy

10. Conservation of Energy

11. Momentum & Impulse

12. Rotational Kinematics

13. Rotational Inertia & Energy

14. Torque & Rotational Dynamics

15. Rotational Equilibrium

16. Angular Momentum

17. Periodic Motion

18. Waves & Sound

19. Fluid Mechanics

20. Heat and Temperature

21. Kinetic Theory of Ideal Gases

22. The First Law of Thermodynamics

23. The Second Law of Thermodynamics

24. Electric Force & Field; Gauss' Law

25. Electric Potential

26. Capacitors & Dielectrics

27. Resistors & DC Circuits

28. Magnetic Fields and Forces

29. Sources of Magnetic Field

30. Induction and Inductance

31. Alternating Current

32. Electromagnetic Waves

33. Geometric Optics

34. Wave Optics

36. Special Relativity

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