Answer: 345600 J
Explanation: solution attached
KE= 1/2 mv²
The frequency produced by the string could be 437 Hz or it could be 443 Hz.
The frequency of the beats ... 3 Hz ... tells the piano tuner that
the difference between the fork and string frequencies is 3 Hz,
but it doesn't tell her which one is higher or lower.
1km=10^3 m,1km^3=10^9cubic metres answer is 1.4x10^18cubic meters
<span>Basically, the variable n is equal to the amount of P out of the system divided by the about of P into the system
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They look green because of the “special pair” of chlorophyll molecules.
