An "e" tuning fork with a frequency of 329 hz is used to test the "e" note of a piano. four beats are heard. this means
the piano key is in tune.
the piano key is out of tune and has a frequency of 333 hz.
the piano key is out of tune and has a frequency of 325 hz.
the piano key is out of tune and has a frequency of either 325 or 333 hz
Answers: 2
Physics, 21.06.2019 17:30
In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j ?
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The earth is constantly spinning on its axis, like you might spin a basketball on your finger. it is this spinning of the earth that causes
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Agroup of students were investigating the force of gravity. they began by dropping a foam ball from a height of 3 meters into a bucket of sand. the ball hit the sand in 0.306 seconds. they dropped additional balls of approximately the same diameter, but of different masses. here is the data they collected. based on this experiment and the collected data, what would their conclusion be?
Answers: 1
Physics, 22.06.2019 13:00
The law of the conservation of momentum says that the total momentum of any closed and isolated system cannot
Answers: 1
An "e" tuning fork with a frequency of 329 hz is used to test the "e" note of a piano. four beats ar...
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