   # Vector A → has a magnitude of 5.00 units, and vector B → has a magnitude of 9.00 units. The two vectors make an angle of 50.0° with each other. Find A → ⋅ B → . ### Physics for Scientists and Enginee...

9th Edition
Raymond A. Serway + 1 other
Publisher: Cengage Learning
ISBN: 9781305116399

#### Solutions

Chapter
Section ### Physics for Scientists and Enginee...

9th Edition
Raymond A. Serway + 1 other
Publisher: Cengage Learning
ISBN: 9781305116399
Chapter 7, Problem 7.8P
Textbook Problem
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## Vector A → has a magnitude of 5.00 units, and vector B → has a magnitude of 9.00 units. The two vectors make an angle of 50.0° with each other. Find A → ⋅ B → .

To determine

The dot product of two vectors A and B.

### Explanation of Solution

The magnitude of vector A is 5units, the magnitude of vector B is 9units and the angle between the two vectors is 50.0°.

Write the formula to calculate the dot product of two vectors

AB=ABcosθ

Here, A is the magnitude of the vector A, B is the magnitude of the vector B and θ is the angle made by the two vectors with each other.

Conclusion:

Substitute 5.00 for A, 9

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