Question 512012: Lem runs 10 mps. Uel runs 6 mps. With a 50 m head start for Uel, how long will it take Lem to catch up with Uel? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = distance Lem has to go = distance Uel has to go
Let = time that it takes Lem to catch Uel
given:
For Uel:
(1)
For Lem:
(2)
-------------
Substitute (2) into (1)
(1)
(1)
(1) sec
check:
(1)
(1)
(1) m
and
(2)
(2) m
OK
