mommablue65 mommablue65
  • 25-11-2020
  • Physics
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A sled with no initial velocity accelerates at a rate of 3.2 m/s2 down a hill. How long does it take the sled to go 15 m to the bottom? *

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meowmeow223334
meowmeow223334 meowmeow223334
  • 25-11-2020
s = ut + 1/2 at^2
a = 3.2 m/s^2
s = 15m
Find t
15 = 1/2(3.2)t^2
15 = 3.2t^2/2
30 = 3.2t^2
30/ 3.2 = 9.38
Square root of 9.38 = 3.06
It takes 3.06 seconds
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