Question

An An object moves through 10m in 2 mins and the next 20km at a speed of 60km/h . Calculate the average speed

Answer 1

$Answer$

Time taken to travel 20 km with speed 60 km/hr = 20/60 = 1/3 hr = 20 min

Time taken to travel total distance = 2 + 20 = 22 min

Total distance = 20000+10 = 20010 m

average speed = Total distance / Total time = 20010 / (22×60) = 15.16 m/s

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