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April 24, 2014

April 24, 2014

Posted by **joy** on Thursday, November 3, 2011 at 12:03am.

(a) How long does the race take?

(b) What is the length of the race?

- physics -
**jenny**, Thursday, November 3, 2011 at 12:46amOMG !! i was suck on this question for like a billion years !! and i still havent gotten the answer!:(

- please someone answer this question -
**Writeacher**, Thursday, November 3, 2011 at 7:14amLook at the time when you posted this question. Can you figure out why there's no physics tutor online then?

- please someone answer this question -
**Reiny**, Thursday, November 3, 2011 at 8:17amspeed of tortoise = 16 cm/s

speed of hare = 25(16) or 400 cm/s

let the time for tortoise be t seconds

then time for hare = t-120 seconds

distance for tortoise = 16t

distance for hare = 400(t-120)

but they went the same distance, so ....

400(t-120) = 16t

400t - 48000 = 16t

384t = 48000

t = 125

the race took 125 seconds or

2 minutes and 5 seconds

the length of the race was 16t = 16(125) = 2000 cm or 20 metres.

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