You are driving from town A to town B. From town A you go 3 miles West and 4 miles South. What is the distance between the two towns?
1) 5
2) 7
3) 1
4) 2

Question

You are driving from town A to town B. From town A you go 3 miles West and 4 miles South. What is the distance between the two towns?
	1)	5
	2)	7
	3)	1
	4)	2

anonymous · Answer

straight line distance(displacement)= 5 ie$$\sqrt{4^{2}+3^{2}}$$

As distance is a scalar quantity , the distance between the points is the actual distance travelled ie 7miles