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Originally Posted by NoHaveMSG
Speaking of solving things. I had this video pop up on my youtube recommended about a question sent to Einstein by a friend of his in 1924.
You have a car traveling 2 miles up over a hill. The first mile the car averages 15mph. How fast does the car have to go in the second mile to average 30mph for the entire two miles?
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To average 30mph over 2 miles, you'd have to cover that distance in 4 minutes. If the first mile was done at 15mph, that single mile took 4 minutes. Is 'infinite' a speed?