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marusya05 [52]
3 years ago
13

Dams hold collected water back from flowing at their normal rate. What type of energy is in the collected water above the dam? c

hemical energy electrical energy potential energy kinetic energy
Physics
2 answers:
Andreyy893 years ago
8 0
It would be mechanical potential energy.
forsale [732]3 years ago
3 0
Potential energy because the moment the dam breaks, a lot of water will burst out. Obviously this isn't chemical energy because there is not chemical reaction taking place. It's not electrical energy because there is no electricity at the dam. This leaves us with potential and kinetic energy. A key word in here is holds back, aka stored water. Storing almost always leads to potential energy.
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Margaret [11]

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6 0
2 years ago
A piano tuner is using a 392 Hz tuning fork to tune the wire for a G-Natural note. She hears 4 beats per second. What are the tw
inysia [295]

A beat is an interference pattern between two sounds of slightly different frequencies, perceived as a periodic variation in volume whose rate is the difference of the two frequencies. Frequency beat is equal to,

f_{beat} =| f_2\pm f_1 |

The reference frequency in our case would be 392Hz, and since there is the possibility of the upper and lower range for the amount of beats per second that the two possible frequencies are heard would be

f_{beat} =|392+4|= 396Hz

f_{beat} =|392-4|=388Hz

Therefore the two possible frequencies the piano wire is vibrating at, would be 396Hz and 388Hz

5 0
3 years ago
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Goshia [24]

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