Question

A man walks 20 m [North], then 50 m [South], then 100 m [North]. a. Calculate the man’s distance travelled. b. Calculate the man’s displacement.


step by step ​

Answer 1

Answer:

Answer:120

Answer:120Explanation:

we add all distances which are given in question.

IT IS MY SUDGESTION

Answer 2

Answer:

In vector form:

S

=30

j

^

+20

i

^

+30

2

cos45

o

(−

i

^

)+30

2

sin45

o

(−

j

^

)

=30

j

^

+20

i

^

−30

i

^

−30

j

^

=10

i

^

∴ Displacement is 10m towards west