Physics, 18.03.2021 01:40 ghari112345
A motorist wishes to travel 40 kilometers at an average speed of 40 km/h. During the first 20 kilometers, an average speed of 40 km/h is maintained. During the next 10 kilometers. however, the motorist averages only 20 km/h. To drive the remaining 10 kilometers and average 40 km/h, the motorist must drive a) 60 km/h. b) 80 km/h. c) 90 km/h. d) faster than the speed of light​
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A motorist wishes to travel 40 kilometers at an average speed of 40 km/h. During the first 20 kilome...
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