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AfilCa [17]
3 years ago
15

Which waves have wavelengths longer than those of visable light? Give an example

Physics
1 answer:
jarptica [38.1K]3 years ago
7 0
In the attached image, the wavelengths to the right of visible light (starting from IR) have longer wavelengths.

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When a parachutist jumps from an airplane, he eventually reaches a constant speed, called the terminal speed. Once he has reache
Masteriza [31]

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b) True.    the force of air drag on him is equal to his weight.

Explanation:

Let us propose the solution of the problem in order to analyze the given statements.

The problem must be solved with Newton's second law.

When he jumps off the plane

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Where the friction force has some form of type.

     fr = G v + H v²

Let's replace

     (G v + H v²) - mg = m dv / dt

We can see that the friction force increases as the speed increases

At the equilibrium point

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     v = mg / G

This is the terminal speed.

Now let's analyze the claims

a) False is g between the friction force constant

b) True.

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d) False. In the terminal speed the acceleration is zero

e) False. The friction force is equal to the weight

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3 years ago
Is Mercury a heavier element than tin
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PLEASE HELP ME
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8 0
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Read 2 more answers
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