Question

a swallow files at a speed of 50 km/h for 3 hours and then at a speed of 40 km/h for a further 2 hours .find the average speed for the whole journey

Answer 1

Given:-

☆Speed of the swallow in the first 3hrs=50km/h

☆Speed of the swallow in the further 2hrs=40km/h

To find:-

☆Average speed of the swallow for the whole journey.

Solution:-

We know that:-

=>Average speed=Total distance/Total time

=>Distance=Speed×time

=>(50×3+40×2)/(3+2)

=>230/5

=>46km/h

Thus,average speed of the swallow for the whole journey is 46km/h.

Answer 2

Answer:

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Step-by-step explanation:

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46km/h is answer