Question

http://static.k12.com/calms_media/media/1357500_1358000/1357619/1/c08f9b06e1a4a6a86101eef8f4952090ef8fd57c/MS_PHYS_SCI_286558.jpg

What was the hiker's average speed for the entire hike?



A.
0.187 km/hr

B.
4 km/h

C.
2.6 km/h

D.
5.3 km/h

Answer 1

its a different graph

Answer 2

Okay, THIS is where you have to find the velocity for each part.

Use the method from the last question $$ velocity = \frac{change\ in\ distance}{change\ in\ time}$$ to find the velocity for nort, then west, then south, then east.

Answer 3

Different graph, but it is still the exact same idea.

Answer 4

\[v=\frac{ 6 }{ 60 }\]

Answer 5

Yes! Which gives you 0.1 km for every minute of walking. Now, how many km's will he travel in one hour?

Answer 6

I think its C

Answer 7

You haven't calculated enough information to determine the answer yet.

Answer 8

I calculated in my head

Answer 9

It is incorrect

Answer 10

well maybe I missed something I'm guessing its a higher number

Answer 11

Well, let's continue and see!

Answer 12

ugggh I'm bad at this stuff

Answer 13

For the north section: If the hiker travels 0.1 km for every minute of walking, how many km's will he travel in one hour?

Answer 14

I noticed I said C earlier I think I ment to put D

Answer 15

Why is it D?

Answer 16

well I know its going to be a whole number at least in it and with there being 3 hours and 24km in it

Answer 17

But how are you certain that it isn't B?

Answer 18

hmmm I guess I didn't think it through sorry

Answer 19

That's okay. I know it's stressful, but understanding it is a WAY better feeling that just knowing the right answer.

Answer 20

You have the tools, just work it though.

North:
If the hiker travels 0.1 km for every minute of walking, how many km's will he travel in one hour?