Question

An object travels 15m in 4 s and another 15m 2 s. What is the average speed of the object.

Answer 1

Answer:

Explanation:

in case 1

distance= 15m

time= 4sec

in case 2

distance= 15m

time= 2sec

So, total distance= 15+15=30m

So, total time=2+4=6sec

Average speed= total distance/ total time

                          =30/6

                            =5m/s

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