Question

a body covers a distance of 100 meters in 5 seconds,and 200 meters in 10 seconds,and another 100 meters in 4 seconds.if the last 50 meters os covered in 1 second ,find its average speed ​

Answer 1

Average speed = total distance / total time

Total distance = 100+200+100+50=450meters
Total time= 5+10+4+1 = 20secs

450/20= 22.5m/s

Ans= 22.5m/s

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