# Introduction to Physics & Vectors Flashcards

Introduction to Physics & Vectors Flashcards
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Convert from scientific notation to decimal notation: 1.45 × 10-5

1.45 × 10-5 = 0.0000145

Got it
The density of water is 1.00 grams/milliliter. Determine the density of water in pounds/liter. (2.2 pounds = 1 kilogram).

1.00 grams / 1 milliliter * (1,000 milliliters / 1 liter) * (1 kilogram / 1,000 grams) * (2.2 pounds / 1 kilogram) = 2.2 pounds/liter

Got it
Determine the number of millimeters in 15 kilometers.

1 kilometer = 1,000 meters

1 meter = 1,000 millimeters

15 * 1,000 * 1,000 = 15,000,000 millimeters

Got it
SI Base Units

Distance: meter (m)

Time: second (s)

Mass: kilogram (kg)

Electric current: ampere (A)

Temperature: Kelvin (K)

Luminous intensity: candela (cd)

Amount of a substance: mole (mol)

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Solve the expression: 3-3

3-3 = 1/33 = 1/27

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## Flashcard Content Overview

It is said that physics is just the practical application of mathematics, so to understand physics, you must first understand math. These flashcards will introduce you to the study of physics and help you review important mathematical concepts required for working with physics values and equations. They review units of measurement used throughout the sciences and how to convert between these units and standard units you may be used to. They also describe how to represent very small and very large numbers. In addition, graphs are used to measure and interpret data sets in physics, and these flashcards will introduce different types of relationships found in data sets. Finally, they will review the difference between vector and scalar quantities and how to perform basic mathematical calculations using vectors.

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Solve the expression: 3-3

3-3 = 1/33 = 1/27

SI Base Units

Distance: meter (m)

Time: second (s)

Mass: kilogram (kg)

Electric current: ampere (A)

Temperature: Kelvin (K)

Luminous intensity: candela (cd)

Amount of a substance: mole (mol)

Determine the number of millimeters in 15 kilometers.

1 kilometer = 1,000 meters

1 meter = 1,000 millimeters

15 * 1,000 * 1,000 = 15,000,000 millimeters

The density of water is 1.00 grams/milliliter. Determine the density of water in pounds/liter. (2.2 pounds = 1 kilogram).

1.00 grams / 1 milliliter * (1,000 milliliters / 1 liter) * (1 kilogram / 1,000 grams) * (2.2 pounds / 1 kilogram) = 2.2 pounds/liter

Convert from scientific notation to decimal notation: 1.45 × 10-5

1.45 × 10-5 = 0.0000145

Linear Relationship

Describes a data set in which the best-fit line is straight and can be represented by y = mx + b, where m is the slope of the line and b is where the line intersects the y axis

Scalar

A quantity that has a numerical size, also known as magnitude, but no direction

Vector

A quantity that has a numerical size, also known as magnitude, and a direction

Start at the origin. Draw the first vector from tail to point. From that point, draw the next vector the same way. Draw a line from the origin to the point of the last vector and measure.

Geometric Approach to Vector Subtraction

Draw the first vector from tail to point. From that point, draw the subtraction vector but reverse its direction. Draw a line from the origin to the point of the last vector and measure.

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