anonymous
  • anonymous
Ted throws an object into the air with an initial vertical velocity of 54 ft/s from a platform that is 40 ft above the ground. About how long will it take the object to hit the ground? a. 1 s b. 2 s c. 3 s d. 4 s
Mathematics
schrodinger
  • schrodinger
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anonymous
  • anonymous
mathmate
  • mathmate
Use the same equation to solve for t, with different parameters. v=+54'/s x0=40' don't forget to correct the half-acceleration from -4.9 to -16.1'/s^2
anonymous
  • anonymous
what? I honestly don't understand. I really don't. I just need the answer.

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mathmate
  • mathmate
X0 is the initial height, taking ground level as 0'.
mathmate
  • mathmate
Sorry, you got the wrong guy or the "just answer" responses. See also code of conduct : "I will encourage and guide those needing help, and not just give them an answer"
anonymous
  • anonymous
thanks for the help.
mathmate
  • mathmate
You're welcome! Remember, you only have to find the values and substitute into the given kinematics equation.
anonymous
  • anonymous
I got it! I got it right! thank you!
mathmate
  • mathmate
You're welcome! :) I'm glad you worked it out...on your own!

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