aliciarosello8094 aliciarosello8094
  • 19-11-2018
  • Physics
contestada

A car is traveling at 15 m/s. It goes down a hill where it accelerates at 3 m/s2 for 4 s. How fast is it going at the bottom of the hill?

Respuesta :

cloudhaven86 cloudhaven86
  • 19-11-2018
Initial speed = 15m/s.

Change in speed = + 3m/s X 4s = 12m/s

Hence final speed at hill bottom = 15+12 = 27m/s
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