## [answered] A baseball has amass of about 150 g, and we take it to be t

?A baseball has amass of about 150 g, and we take it to be thrown at 40 m/s (near 90 mph). Assume that the wall is 0.1 m thick, and let?s make the approximation that the ball would have to be 5 times as energetic to punch through the wall classically, so V0 = 5E with E determined by the quantities above.What is the order of magnitude for T? Lets put this into perspective: if you keep trying, tossing a baseball at the wall once per second, roughly how long do you have to wait until it ?pops through? the wall quantum mechanically? Give your answer in seconds, and also in ages of the Universe(current models show the Universe to be about 13.7 billion years old), and comment on your results.

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This question was answered on: Sep 18, 2020

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