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Wittaler [7]
3 years ago
6

Nick is so excited to Trick-or-Treat, he RUNS down the street to the house that has the BIG candy bars! He ran 203 meters. It to

ok him 40 seconds to arrive at the "big candy bar" house. What was his average speed?
(use the photo for the answer choices, it is asking for the average SPEED)

Physics
1 answer:
aleksandr82 [10.1K]3 years ago
6 0
對不起,我沒有看到照片,我看到的都是黑色的東西。對不起。
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The energy of a photon is given by:
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We know the energy of the photon, E=3.26 \cdot 10^{-19} J, so we can rearrange the equation to calculate the frequency of the photon:
f= \frac{E}{h}= \frac{3.26 \cdot 10^{-19}J}{6.6 \cdot 10^{-34}Js}=4.94 \cdot 10^{14}Hz

And now we can use the following relationship between frequency f, wavelength \lambda and speed of light c to find the wavelength of the photon:
\lambda= \frac{c}{f}= \frac{3 \cdot 10^8 m/s}{4.94 \cdot 10^{14} Hz}=6.07\cdot 10^{-7} m=607 nm
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