SOLUTION: The acceleration due to gravity is -9.8meters/s2. How many seconds will it take a skydiver with an initial velocity of 0 meters/s to reach a final velocity of 100 meters/s?

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Question 312285: The acceleration due to gravity is -9.8meters/s2. How many seconds will it take a skydiver with an initial velocity of 0 meters/s to reach a final velocity of 100 meters/s?
Answer by Edwin McCravy(20064) About Me  (Show Source):
You can put this solution on YOUR website!

If we take upward as positive and downward as negative then a = -9.8 m/sē
and the final velocity, which is downward is -100 m/s.

a=%28V%5BF%5D-V%5BO%5D%29%2Ft
at=V%5BF%5D-V%5BO%5D
t=%28V%5BF%5D-V%5BO%5D%29%2Fa
t=%28-100-0%29%2F%28-9.8%29
t=100%2F9.8
t=10.2seconds

Edwin