Two vectors from an angle of 110°. One of the vectors is 20 units long and makes an angle of 40° with the vector sum of the two. Find the magnitude of the second vector and of the vector sum?
1 Answer
Jan 15, 2018
13.71 units
Explanation:
If the sum of two vector
Here,
Putting all the values we get,
derivation of the formula is given below