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An airplane flies 80 km in 10 minutes and then flies 100 km in 20 minutes the average speed of the airplane is?
average speed = total_distance/total_time = (80 km + 100 km)/(10 min + 20 min) = 180 km/30 min = 6 km/min 1 hr = 60 min → 6 km/min = 6 × 60 km/h = 360 km/h
What is the average velocity in mph of 2.5 miles ran in 15 minutes?
Average speed = Distance/Time = 2.5 miles/15 minutes = 10 miles per hour
How long to drive 518 miles?
depends on your speed... It depends on how fast you drive. If you average 51.8 miles per hour it will take 10 hours.
What is the Average speed of 10 meters in 6 seconds?
Average speed is total distance divided by total time. Hence 10 metres in 6 seconds is an average speed of (10/6) = 2.66666 m/s. Notice the units of speed - if you ever forget that speed is distance over time, just remember speed's units is something like metres per second, miles per hour etc. "per" means divided by.
Shane's mother is training for a marathon On Saturday she does a 10 mile run in 90 minutes What is her average speed in miles per hour?
Shane's mother's average speed is 6.7 MPH. 10 miles/ 90 minutes = 1/9 miles/minute 60 minute/hour 1/9 miles/minute x 60 minutes/hour = 6 2/3 miles/hours 6.7 mph
