magiflores6122
12.10.2021 •
Physics
if a penny is dropped from a height of 100m, how fast would it be going just before it hit the ground ?
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Ответ:
Hi there!
To find the final velocity of an object dropped from rest, we can used the simplified equation:
vf = √2gh
Plug in the given values: (g = 9.8 m/s²)
vf = √2(9.8)(100) ≈ 44.272 m/s
Ответ:
Beat frequency=f2-f1 (f2>f1)
Beat frequency=332Hz-300Hz=2Hz