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  • 14-03-2018
  • Mathematics
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i need help fast thx

i need help fast thx class=

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Bladerunner1976
Bladerunner1976 Bladerunner1976
  • 14-03-2018
Vi = 56
Vf = 56 + 7(3) = 56 + 21 = 77

THe average is (Vf + Vi)/2

(77 + 56)/2 = 133/2 = 66.5 m/s
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