Common Core: High School - Number and Quantity : Magnitude and Direction of a Vector Sum: CCSS.Math.Content.HSN-VM.B.4b

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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:

Explanation:

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.

 

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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:



 

Explanation:

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 #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:

 

Explanation:

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 #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:

 

Explanation:

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 #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:

 

Explanation:

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:

 

Explanation:

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:



Explanation:

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 #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:

 

Explanation:

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 #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:

 

Explanation:

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 #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:

 

Explanation:

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

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