Question

plz ans this Question.... first do it in a paper and then click the pic and below it explain me...who so ever will explain nicely i will mark as brainliest...I promise

Answer 1

15km

20min = 20/60hr = 1/3hr

therefore, km/h = 15/(1/3)

                          = 15*3 = 45km/h

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15km = 15000m

20min = 20*60 = 1200sec

therefore, m/s = 15000/1200

                        = 12.5m/s

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