Find the speed of an airplane that flew 720 km in 40 minutes.

univerkov | November 21, 2020 | education

Given:
S = 720 km
t = 40 min
Vav =?
Decision:
1) t = 40 min = 40/60 h = 2/3 h
2) Vav = distance / time = S / t = 720 / (2/3) = 720 * 3/2 = 1080 km / h
Answer: 1080 km / h

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