Run 1, there are two turtles, a turtle reached 10 meters to the finish line, b turtle ran to 9 m, now if the starting line of a a turtle back 1 meter, start the game at the same time, the more the two turtle asked a, b two turtles who first to the finish?
C. a. A turtle b. B turtle at the same time to

CodePudding user response:

A speed of x
At the rate of y b
Box of 10/=9 x/y
9 x=10 y
X * y=10/9
A turtle's back 1 meter, the starting line to the finish time is
11/x=11/* y (10/9)=99/10 present y=9.9/y
B a turtle to the finish time is 10/y
10/y and 9.9/y
So a turtle to the finish first
tortoise convulsions
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