Answer:
x=4/f
Step-by-step explanation:
Answer: 
Step-by-step explanation:
Given: 83 : 45 :: 72 : ?
Let unknown quantity (?) be x.
Now, x : y :: a : b

83 : 45 :: 72 : x

Hence, 
Answer:
1) 
2) 
Step-by-step explanation:
Given:
IAI = 8.00 units directed at angle of 45.0 degrees with +x - axis
IBI = 8.00 units directed along -x - axis.
Components of vector along x and y directions:



1) To find Vector sum 

2) To find Vector sum 
