aubreejordan4121 aubreejordan4121
  • 14-01-2021
  • Physics
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A tourist drops (from rest) a ping pong ball from the top of the tower, which has a height of 324 meters. Assuming no air resistance, how long does it

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abidemiokin
abidemiokin abidemiokin
  • 14-01-2021

Answer:

8.13secs

Explanation:

From the question weal are given

Height H =324m

Required

time it takes to drop t

Using the equation of motion

H = ut + 1/2gt²

Substitute the given values

324 = 0(t)+1/2(9.8)t²

324 = 1/2(9.8)t²

324 = 4.9t²

t² =324/4.9

t² = 66.12

t = √66.12

t = 8.13secs

Hence the time taken to drop is 8.13secs

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