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11.1846 mph 18.0000 kmh 5.0000 meters/sec This is extracted from the formula (speed)=(distance)/(time)
The impact speed is 100 - 98 = 2 kmh.
Up too 900 KMH. According to the Guiness Book of records.Sneezing is only 180 KMH.Cheers
If he drives the same route once at 20 km/hr and again at 30 km/hr, then his average speed is 24 km/hr for the time he is driving, i.e. ignoring the time he is in school.
Use the formula:distance = speed x time Don't forget to convert your units, to have consistent units. Since the speed is in "per hour", while the time is in minutes, you may want to convert the time to hours. Another option is to convert the speed, from km/h to km/minute.
88.8kmh
4
110 kmh = 68.3508 miles per hour.
30 km/h
80 km/h
Time = Distance/Speed So time = 1550km/120 kmh = 12.9166... hours. This is based on the unrealistic assumption that you can maintain an average speed of 120 kmh for nearly 13 hours - a length of time which will require some fuelling stops, and ideally some comfort stops as well!
kmh is itself a unit. Kilometer per hour is the unit of speed and velocity.
kilo meters per hour
At 30 kilometers per hour, in each hour you will cover 30 km. So after 3 hours you will have covered 3*30 = 90 kilometers.
if its km/h then it describes your speed in kilometers per hour
450/45 = 10 hours of driving time.
45.6517 mph or 73.4693 kmh.