3 years ago

This image shows flashlight beams reflecting off a mirror from

Physics

1 answer:

marysya [2.9K]3 years ago

7 0

Hey I'm working on this test right now, did you ever get the answers?

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U=RxI
U= 10 x 42
U= 420 volts

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I'm sorry but I don't really understand the question. What is the quest actually asking???

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A monkey has a bit of a heavy for on the gas pedal. As soon as the light turns green the monkey pushes the gas pedal to the floo

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Answer:

$s=6.86m/s^2$

Explanation:

Hello,

In this case, considering that the acceleration is computed as follows:

$a=\frac{v_{final}-v_{initial}}{t}$

Whereas the final velocity is 28.82 m/s, the initial one is 0 m/s and the time is 4.2 s. Thus, the acceleration turns out:

$a=\frac{28.82m/s-0m/s}{4.2s}\\ \\s=6.86m/s^2$

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2 years ago

If the light wave has a wavelength of 10m what would be its velocity

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If this case could ever happen, the speed would follow from this formula:

$v = f \cdot \lambda$

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$v = 600THz\cdot 10m = 6\cdot 10^{14} \frac{1}{s}\cdot 10 m = 6\cdot10^{15}\frac{m}{s}$

The speed of such a wave would have to be 6e+15 m/s (which would be 7 orders of magnitude higher than the universal speed of light constant)

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