Two tuning forks are played at the same time. One has a frequency of 490 Hz and the other is 488 Hz. How many beats per second a
2 answers:
A.490
B.488
C.2
D.4
C is the answer!
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The correct answer is B, electrons emit and absorb energy based on their position around the nucleus.
Answer:
what are they ill have a look
Explanation:
Answer:
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Explanation:
Average power for the human sprinter is given as
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so we have
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![P_1 = 1166.7 Watt](https://tex.z-dn.net/?f=P_1%20%3D%201166.7%20Watt)
Average power for greyhound is given as
![P = \frac{\frac{1}{2}mv^2 - 0}{\Delta t}](https://tex.z-dn.net/?f=P%20%3D%20%5Cfrac%7B%5Cfrac%7B1%7D%7B2%7Dmv%5E2%20-%200%7D%7B%5CDelta%20t%7D)
![P = \frac{\frac{1}{2}(30)(20^2) - 0}{3}](https://tex.z-dn.net/?f=P%20%3D%20%5Cfrac%7B%5Cfrac%7B1%7D%7B2%7D%2830%29%2820%5E2%29%20-%200%7D%7B3%7D)
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Answer:b
Explanation:the water will not be hot nomore because of the cold water
No because your opinion and beliefs answers many questions