Given the magnitude and direction of a vector write in component form

Given the magnitude and direction of a vector write in component form

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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Quizizz Content

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The video tutorial explains how to calculate a vector's magnitude and direction using trigonometry. It starts by introducing the concept of vector magnitude and direction, followed by a practical problem involving distance calculation. The tutorial then demonstrates how to use trigonometric functions like cosine and sine to calculate vector components. Finally, it discusses simplifying vector notation and rounding results.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the given values for the vector's magnitude and direction?

Magnitude: 8, Direction: 30 degrees

Magnitude: 10, Direction: 20 degrees

Magnitude: 12, Direction: 18 degrees

Magnitude: 15, Direction: 25 degrees

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How should the journey from point A to point B be expressed?

As 18 miles with a direction of 18 degrees

As 12 miles with a direction of 30 degrees

As 10 miles west and 15 miles north

As 20 miles with a direction of 25 degrees

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula used to calculate the vector components?

8 times cosine of 30 degrees, 8 times sine of 30 degrees

15 times cosine of 25 degrees, 15 times sine of 25 degrees

12 times cosine of 18 degrees, 12 times sine of 18 degrees

10 times cosine of 20 degrees, 10 times sine of 20 degrees

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the easiest way to write the magnitude in vector notation?

Write it at the end of the vector

Write it in the middle of the vector

Write it as a separate component

Write it at the front of the vector

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

To what should the result be rounded when calculating the vector components?

Nearest tenth

Nearest thousandth

Nearest hundredth

Nearest whole number