Mathematics, 29.01.2020 03:50, cnfndbxbfbdb2031
A "bullet" train set a new world record for train speed at 550 kilometers per hour during a manned test run on the test line in april 1999. the test line is 42.2 kilometers long. how many minutes would a test run on the test line last at this record-setting speed?
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A "bullet" train set a new world record for train speed at 550 kilometers per hour during a manned t...
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