Question

An object travels 20 m in 4s and then another 20m in 10s .what is the average speed of the object

Answer 1

average speed is equal to Total distance divided by total time
avg speed = 20 + 20 /10 + 4
= 40/14
= 2.85m/s
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Answer 2

Answer : Average speed = Total Distance/Total Time Taken

                                           = 20+20/10+4

                                           = 40/14

                                           = 2.85 m/s

Hope it is helpful....!!!