if u want speed do distance divide by time but first u need to change 120 km to meters and 2 hours to minutes then divide them
* * * * *
Why change km to metres and hours to minutes? Why not just do 120 km / 2 hours = 120/2 km per hour = 60 km per hour. The end!
Let us change 70.0 m/s to kph
70.0 m/s (1 kilometer/1000 meters)(3600 seconds/1 hour)
= 252 kilometer an hour
Distance = Rate * Time
Distance = 252 Kph * 6.5 hours
= 1638 Kilometers
Average speed = (total distance) / (total time)
Total distance = (112 + 182) = 294 km
Total time = (112/79 + 182/100) = 3.2377 hours (rounded).
Average speed = (294 / 3.2377) = 90.805 km/hr(rounded)
To calculate the average speed simply divide the distance by the hours driven. 140 kilometers divided by 2 hours equals 70 kilometers per hour.
The average speed is 70.2 km/h
18.06 meters per second.
Her average speed is... 20 Km/h
42
32 km/h
Anything that goes 543 kilometers in 6 hours is averaging 90.5 kilometers per hour
The bus' average speed is two (2) km per minute.
The calculation required is: distance divided by time = average distance per second 98 meters divided by 10 seconds = 9.8 meters per second. To calculate in commonly used kilometers per hour multiply by 3600 ( to get Hours )and divide by 1000 ( to get Kilometers) or simply use 3.6 as a factor. 9.8 meters per second times 3.6 = 35.28 kilometers per hour 9.8 meters per second times 3600 divided by 1000 = 35.28 kilometers per hour
60 km/hour
At the equator, the world has a diameter 12,756 kilometers, which computes to a circumference of 40,074 kilometers, so you would have to go 5,009 kilometers per hour to circumnavigate the world in eight hours, or 3,113 miles per hour.
225÷287×60equal
Just over six and a half hours... D'oh !
53
your average speed is 50 kilometers per
55 minutes is 55/60 hours. 6km divided by 55/60 = 6.5km/h
30 kilometers in two hours or 15 kilometers per hour.
Calculate the total time, and the total distance. Divide the total distance by the total time. This will give you the average speed.
Twenty miles an hour
Speed = Distance in kilometers/Time in hours
25 kilometers
15 kilometers per hour
Anything that goes 543 kilometers in 6 hours is averaging 90.5 kilometers per hour