A person travels from New York to Washington at the rate of 45 km per hour and
comes backs to...
Physics, 31.03.2020 16:26, franklinkaylieg3873
A person travels from New York to Washington at the rate of 45 km per hour and
comes backs to the New York at the rate of 55 km per hour. What is his average
speed for the whole journey?
Answers: 1
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