A man moves along the path abode as shown in the Fig. What is his displacement from the point of start?

Options

A. 15 m
B. 4 m
C. 4.7 m
D. 5.2 m

Answer

c

Explanation

Here simple trigonometrical calculation gives

fb=2m
gf=2m
fc=3.46 m
ge =2.46 m
ga=4m
`:.` Ae (displacement )`=[(2.46)^2 +4^2]^1//2` =4.7 m