alexfree78
alexfree78 alexfree78
  • 20-04-2019
  • Physics
contestada

If a rock is dropped off a cliff with the initial speed of 0 m/s what is rocks speed after three seconds if there is no air resistance

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grace2442
grace2442 grace2442
  • 20-04-2019

Answer: = 44.15 m.

Explanation: well we can use the falling objects equation, which states that

d = 1/2 > ^2

Answer Link
DarkHeart16
DarkHeart16 DarkHeart16
  • 20-04-2019
Using the formula:
Vy=Voy+gt
Vy=0+(9.8)(3)
Vy=29.4
Answer Link

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