Question

An object moves through 10 m and 2 min and next 10m in 3 min. The average speed of the object is

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

Explanation:

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Answer 2

Answer:

The average speed =(TOTAL DISTANCE/TOTAL TIME)

={(10+10)/(2+3)} m/min

=4 m/min