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1
87.5 kph
His average speed is 55 kilometers per hour.
815 kmph
a) Divide the kilometers by the hours, to get the speed in kilometers per hour. b) Divide this result by 3.6, to convert to meters/second.
speed of light
30 kilometers per hour.
43
1
The closest is the speed of light at 299,792,458 kilometers per second.
mercury travels at about 48 kilometers per second, or 172,000 kilometers per hour.
87.5 kph
30 kilometers in two hours or 15 kilometers per hour.
800km per hour
Electromagnetic energy
His average speed is 55 kilometers per hour.
It travels 40 kilometers or 24.9 miles every hour at that speed.