SOLUTION: 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?
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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
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