Blink of an Eye???

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Suppose the average blink of an eye takes one twentieth of a second and you blink 10 times per minute. If you travel at an average speed of 90 km/h for 4 hours, how many kilometres will you travel with your eyes closed......

Before anyone asks is not homework!! im sick of people askin

2007-10-14 21:17:16 · 2 answers · asked by crazy_foz51 2 in Science & Mathematics ➔ Mathematics

2 answers

If you blink for 1/20 second 10 times per minute, that's 1/2 second per minute with your eyes closed. That's 30 seconds per hour, which is 2 minutes in 4 hours, or 1/30 hours with your eyes closed.

1/30 hours at 90 km/h = 3 km travelled with your eyes closed.

2007-10-14 22:56:44 · answer #1 · answered by Tom :: Athier than Thou 6 · 0⤊ 0⤋

90*4*0.05*10/60 = 3 km
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2007-10-14 21:46:41 · answer #2 · answered by oregfiu 7 · 1⤊ 0⤋