jheidelbergjh jheidelbergjh

16-11-2020
Mathematics

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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?

Respuesta :

mhanifa mhanifa

16-11-2020

Answer:

18.33 m/s

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 m

Time is

10 s+ 5 s = 15 s

Av. speed

275/15 = 18.33 m/s

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