Question

George is walking east on a creek bank in the opposite direction of the current, which is flowing at 4.4 m/s. What velocity relative to the ground must George walk in order to stay even with Selena who is in a motorboat traveling upstream (east) at a velocity of 9.3 m/s relative to the water?

Answer 1

work out what the boat's speed is relative to the ground. This will be George's speed relative to the ground.

Answer 2

do i add 4.4 and 9.3 together?

Answer 3

yes

Answer 4

do i do Pythagorean theorm?

Answer 5

NO

Answer 6

ok then its 13.7

Answer 7

right .
Though he couldn't walk at that speed - maybe he had a jet engine behind him!

Answer 8

lol thanks!

Answer 9

yw