Question

A car travels 150 km east before turning and traveling 275 km north. What is the car's displacement?

Answer 1

The direction is to use the head-to-tail method to solve the following

Answer 2

@johnweldon1993

Answer 3

Right...so imagine we have 2 vectors representing this ...



lets add those head to tail

Answer 4

Looks like a right triangle doesnt it?

Answer 5

yes it does

Answer 6

so we use pythagoream theroem thingy?

Answer 7

Precisely :)

Answer 8

ok so no?

Answer 9

lol that's a yes :P

Answer 10

We have the 2 legs and we want the hypotenuse

\[\large a^2 + b^2 = c^2\]:)

Answer 11

oh right.....lol

Answer 12

hold on

Answer 13

of course :)

Answer 14

ok so i got 313.2491022

Answer 15

313.25 km \(\large \color \red{\checkmark}\)

Answer 16

since there are like 3 sig figs i think 313 would be accurate right?

Answer 17

Correct :)

Answer 18

ok ^_^

Answer 19

Yeah when adding you take the number with the least amount of sig figs and use that for the result...since both these numbers were 3 you would have 3 in the result...so yes 313 :)

Great job! :)

Answer 20

oh ok yeah i figured lol and
thank you very much i really appreciated your help !!

Answer 21

Anytime ^_^

Answer 22

jus saying btw this is my fav emoji ^_^ lol

Answer 23

hahahahaha yeah I like it too ^_^ :P

Answer 24

cooollll nice to know