an aircraft covers a distance of 42km in 2minutes and 30 sec

an aircraft covers a distance of 42km in 2minutes and 30 seconds what is the average speed?

Solution

an aircraft covers a distance of 42km in 2minutes and 30 seconds what is the average speed?

2minutes and 30 seconds = 2 and 1/2 minutes = 5/2 minutes= (5/2 )/60
= 5/120 hrs
speed = d/t = 32/ (5/120)
=768 kmph