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Sergio [31]
3 years ago
13

Electromagnets in radios can be used to A) play a CD. B) create sound. C) change the station. D) make a remote control.

Physics
2 answers:
SSSSS [86.1K]3 years ago
5 0
Change the station....
Vesna [10]3 years ago
5 0
The answer is change the station
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Answer: 56.72 ft/s

Explanation:

Ok, initially we only have potential energy, that is equal to:

U =m*g*h

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h = 50ft and g = 32.17 ft/s^2

when the watermelon is near the ground, all the potential energy is transformed into kinetic energy, and the kinetic energy can be written as:

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K = U

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we solve it for v.

v = √(2g*h) = √(2*32.17*50) ft/s = 56.72 ft/s

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