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Physics, 16.11.2019 07:31 lovenot1977

"a car starts at mile marker 21, and passes mile marker 33 after 20" minutes. it passes mile marker 38 after 23 minutes, and mile marker 42 after 27 minutes. what is the best estimate of the cars speed in miles per hour when it passes mile marker 40?

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"a car starts at mile marker 21, and passes mile marker 33 after 20" minutes. it passes mile marker...
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