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

Answer 1

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