# Lesson Worksheet: Finding the Magnitude of a Vector Physics

In this worksheet, we will practice finding the magnitude of a vector given its horizontal and vertical components.

**Q1: **

Which of the vectors shown on the grid has the greatest magnitude?

- A
- B
- C
- D
- E

**Q2: **

Which of the vectors shown on the grid has the greatest magnitude?

- A
- B
- C
- D

**Q3: **

A vector can be expressed as . What is the magnitude of the vector? Round your answer to 1 decimal place if necessary.

**Q4: **

A vector can be expressed as . What is the magnitude of the vector? Round your answer to 1 decimal place if necessary.

**Q5: **

A vector can be expressed as . What is the magnitude of the vector? Round your answer to 1 decimal place if necessary.

**Q6: **

An object moves with velocity . What is the speed of the object? Give your answer to 1 decimal place.

**Q7: **

The vector shown in the diagram has a magnitude of 9.2. The horizontal component of the vector has a magnitude of 6. What is the magnitude of the vertical component of the vector, ? Round your answer to 1 decimal place.

**Q8: **

The diagram shows a vector on a grid. Each grid square has a side length of 1. What is the magnitude of the vector? Give your answer to 2 decimal places.

**Q9: **

The diagram shows a vector on a grid. Each grid square has a side length of 1. What is the magnitude of the vector? Give your answer to 2 decimal places.

**Q10: **

The vector shown in the diagram has a magnitude of 9.8. The vertical component of the vector has a magnitude of 4. What is the magnitude of the horizontal component of the vector, ? Round your answer to 1 decimal place.