Question

An object travels 20 m in 2 s and then another 16 m in 2 s. What is the average speed of the object?​

Answer 1

Hyy Dude

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

May this helps you

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Answer 2

Answer:

9 m/s

Explanation: as we know that avg. speed = total distance/total time.

                    Therefore, (20+16/2+2)m/sec

                                       =(36/4)m/sec

                                        =9m/sec