Question

an object covers 40 kilometre in half hour and next 40 km in 1 hour calculate average speed in kilometre per hour​

Answer 1

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$<b><marquee>Your QUESTION is ~~~> ⤵⤵⤵⤵</marquee></b>$

An object covers 40 kilometre in half hour and next 40 km in 1 hour calculate average speed in kilometre per hour.

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Case - 1 :

Distance covered = 40 km

Time Taken = 1 / 2 hr = 0.5 hr

Case - 2 :

Distance covered = 40 km

Time Taken = 1 hour

Total distance travelled = 80 km

Total Time taken = 1.5 hr

Average speed = Total Distance travelled / Total Time taken

Average Speed = 80 km / 1.5 hr

= 800 km / 15 hr

= 53.33 km / hr

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