an aeroplane covers 2500km, 1200 km and 500 km at the rate of 500km per hour and 400 kilometre per hour and 250 kilometre per hour respectively. find its average speed for the whole journey
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Answered by
3
Answer:
for this question we apply speed =distance/time
Step-by-step explanation:
therefore plane cover 2500km+1200km+ 500km/
500km+400km+250km
=4200km/1150km/h
=3.6521km/h
Answered by
2
total distance travelled by the aeroplane = 2500+1200+500=4200km
total time taken for the journey=500+400+250=1150
average speed = total distance÷ total time taken
- =4200÷1150=3.65km/h
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