briannajo109 briannajo109
  • 21-10-2020
  • Physics
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A penny dropped into a wishing well reaches the bottom in 2.50 seconds. What was the velocity at impact?

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BrendansJohnson12
BrendansJohnson12 BrendansJohnson12
  • 21-10-2020

Answer:

Taking it was dropped with inital velocity of 0m/s.

v = u+at

v = 0 + 9.8*1.5

v = 14.7s

(a=9.8m/s^2 << That's the acceleration due to gravity)

Explanation:

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brodymjames25
brodymjames25 brodymjames25
  • 21-10-2020
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