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Table of contents

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0. Math Review(0)
- Math Review
  (0)
1. Intro to Physics Units(0)
2. 1D Motion / Kinematics(0)
3. Vectors(0)
4. 2D Kinematics(0)
5. Projectile Motion(0)
6. Intro to Forces (Dynamics)(0)
7. Friction, Inclines, Systems(0)
8. Centripetal Forces & Gravitation(0)
9. Work & Energy(0)
10. Conservation of Energy(0)
11. Momentum & Impulse(0)
12. Rotational Kinematics(0)
13. Rotational Inertia & Energy(0)
14. Torque & Rotational Dynamics(0)
15. Rotational Equilibrium(0)
16. Angular Momentum(0)
17. Periodic Motion(0)
18. Waves & Sound(0)
19. Fluid Mechanics(0)
20. Heat and Temperature(0)
21. Kinetic Theory of Ideal Gases(0)
22. The First Law of Thermodynamics(0)
23. The Second Law of Thermodynamics(0)
24. Electric Force & Field; Gauss' Law(0)
25. Electric Potential(0)
26. Capacitors & Dielectrics(0)
27. Resistors & DC Circuits(0)
28. Magnetic Fields and Forces(0)
29. Sources of Magnetic Field(0)
30. Induction and Inductance(0)
31. Alternating Current(0)
32. Electromagnetic Waves(0)
33. Geometric Optics(0)
34. Wave Optics(0)
35. Special Relativity(0)

3. Vectors

Calculating Dot Product Using Components

Back to all problems

3. Vectors

Calculating Dot Product Using Components

1PRACTICE PROBLEM

You encounter the two vectors below. Find the scalar product M · N for the two vectors M and N.

ANSWERS OPTIONS

A

5.47 m²

B

12.3 m²

C

-5.47 m²

D

-12.3 m²

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