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CaHeK987 [17]
2 years ago
9

What is the frequency of light with a wavelength of 3 meters?

Physics
1 answer:
blsea [12.9K]2 years ago
7 0

Answer:

3x10^8=3f f=1x10^8 It think it is hopeful

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It is the 3 one

Explanation:

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Definition for compression and rarefraction
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A 55 kilogram person jumps off a cliff and hits the water 5.8 seconds later, how high is the cliff above the water?
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The cliff is 319. kilograms above the water
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3 years ago
Can someone help? Please?
zubka84 [21]

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During takeoff, an airplane climbs with a speed of 195 m/s at an angle of 15° above the horizontal. The speed and angle constitu
matrenka [14]

Answer:

The horizontal component of the velocity is 188 m/s

The vertical component of the velocity is 50 m/s.

Explanation:

Hi there!

Please, see the figure for a graphic description of the problem. Notice that the x-component of the vector velocity (vx), the y-component (vy) and the vector velocity form a right triangle. Then, we can use trigonometry to obtain the magnitude of vx and vy:

We can find vx using the following trigonometric rule of a right triangle:

cos α = adjacent / hypotenuse

cos 15° = vx / 195 m/s

195 m/s · cos 15° = vx

vx = 188 m/s

The horizontal component of the velocity is 188 m/s

To calculate the y-component we will use the following trigonometric rule:

sin α = opposite / hypotenuse

sin 15° = vy / 195 m/s

195 m/s · sin 15° = vy

vy = 50 m/s

The vertical component of the velocity is 50 m/s.

4 0
3 years ago
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