Question

An object moves 20m in the first 45,24m in the next 45and 16 m in the last 45then what is it's average speed
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Answer 1

Distance1 = 20 m

Time1 = 4 s

Distance2 = 20 m

Time 2 = 10 s

Total Distance(D) = 20m + 20m = 40m

Total Time(T) = 4s + 10s = 14s

Average Speed = Total Distance(D) / Total Time(T) = D/T = 40/14

= 2.857 m/s