### All Common Core: High School - Number and Quantity Resources

## Example Questions

### Example Question #1 : Magnitude And Direction Of A Vector Sum: Ccss.Math.Content.Hsn Vm.B.4b

If , and , and the angle in between them is , find the magnitude of the resultant vector.

**Possible Answers:**

**Correct answer:**

In order to find the resultants magnitude, we need to use the law of cosines. The law of cosines is . Suppose that , , and , then

Here is a visual representation of what we just found.

### Example Question #2 : Magnitude And Direction Of A Vector Sum: Ccss.Math.Content.Hsn Vm.B.4b

If , and , and the angle in between them is , find the magnitude of the resultant vector.

**Possible Answers:**

**Correct answer:**

In order to find the resultants magnitude, we need to use the law of cosines. The law of cosines is . Suppose that , , and , then

### Example Question #3 : Magnitude And Direction Of A Vector Sum: Ccss.Math.Content.Hsn Vm.B.4b

If , and , and the angle in between them is , find the magnitude of the resultant vector.

**Possible Answers:**

**Correct answer:**

In order to find the resultants magnitude, we need to use the law of cosines. The law of cosines is . Suppose that , , and , then

### Example Question #4 : Magnitude And Direction Of A Vector Sum: Ccss.Math.Content.Hsn Vm.B.4b

If , and , and the angle in between them is , find the magnitude of the resultant vector.

**Possible Answers:**

**Correct answer:**

### Example Question #5 : Magnitude And Direction Of A Vector Sum: Ccss.Math.Content.Hsn Vm.B.4b

If , and , and the angle in between them is , find the magnitude of the resultant vector.

**Possible Answers:**

**Correct answer:**

### Example Question #6 : Magnitude And Direction Of A Vector Sum: Ccss.Math.Content.Hsn Vm.B.4b

If , and , and the angle in between them is , find the magnitude of the resultant vector.

**Possible Answers:**

**Correct answer:**

### Example Question #7 : Magnitude And Direction Of A Vector Sum: Ccss.Math.Content.Hsn Vm.B.4b

If , and , and the angle in between them is , find the magnitude of the resultant vector.

**Possible Answers:**

**Correct answer:**

### Example Question #8 : Magnitude And Direction Of A Vector Sum: Ccss.Math.Content.Hsn Vm.B.4b

If , and , and the angle in between them is , find the magnitude of the resultant vector.

**Possible Answers:**

**Correct answer:**

### Example Question #9 : Magnitude And Direction Of A Vector Sum: Ccss.Math.Content.Hsn Vm.B.4b

If , and , and the angle in between them is , find the magnitude of the resultant vector.

**Possible Answers:**

**Correct answer:**

### Example Question #10 : Magnitude And Direction Of A Vector Sum: Ccss.Math.Content.Hsn Vm.B.4b

If , and , and the angle in between them is , find the magnitude of the resultant vector.

**Possible Answers:**

**Correct answer:**

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