Alayna1037
16.11.2020 •
Mathematics
A bird flies at a speed of 15 m/s for 10 s and 25 m/s for 5 s what is the birds average speed?
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Ответ:
Step-by-step explanation:
Average speed = distance/time
Distance is:
15 m/s * 10 s + 25 m/s *5 s = 150 m + 125 m =275 mTime is
10 s+ 5 s = 15 sAv. speed
275/15 = 18.33 m/sОтвет:
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