Question

What was the hiker's total displacement?




A.
0 km


B.
24 km


C.
14 km northeast


D.
4 km north

Answer 1

You go 6 km east and then 6 km west, then 4 km south and 8 km north. Where do you end up?

Answer 2

so i add

Answer 3

lets see the east and west cancel out
\[6km-6km=0km\]

Answer 4

\[4km-8km=-4km\]

Answer 5

no

Answer 6

it's not A

Answer 7

24

Answer 8

if you go 4 km south and then go backwards 8km to the north you end up \[4km \to north\]

Answer 9

so D?

Answer 10

so the east and west cancel out but north and south have a little tug of war and north wins with 4 km more and yes!

Answer 11

thanks!

Answer 12

Your quite welcome again lol