90
4 kph
20 km in half an hour = 2*20 = 40 km in an hour.
40km per hour
That depends on your speed. At an average rate of 85 kph, it will take you one hour.
depends on your speed... It depends on how fast you drive. If you average 51.8 miles per hour it will take 10 hours.
61.5
88.8kmh
That depends how fast you drive, if your average speed was 28 miles per hour it would take one hour, if your average speed doubled to 56 miles per hour it would take just half an hour.
One hour if you drive at an average speed of 63 mph.Half an hour if you drive at an average speed of 126 mph.Two hours if you drive at an average speed of 31.5 mph.
50 kilometres per hour is your average speed.
Yes. For example, if you drive exactly 65 MPH consisently for an hour, your average speed will also be 65 MPH.
204 divided by 2 for total distance for 1/2 hour. 36 times 1 1/2 for total distance of second speed. {(204/2)+(35x1.5)}/(.5+1.5). 77.25 Km/h
64kph
4 kph
40 km per hour. 20 x 2 because that is in a half hour.
The average speed is 62.5 miles per hour(mph)
20 km in half an hour = 2*20 = 40 km in an hour.