3 years ago

Examples of tension force

Physics

1 answer:

Mashutka [201]3 years ago

3 0

Pulling the two ends of a rubber band further and further apart from each other.

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Since force is dp/dt, the force due to radiation pressure reflected off of a solar sail can be calculated as 2 times the radiati

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Answer:

8.67×10⁻⁶ N/m²

Explanation:

p = Momentum of a photon

E = Energy of a photon

c = Speed of light

I = Intensity of light

Force = dp/dt

$p=\frac{E}{c}$

$\\\Rightarrow F=\frac{\frac{dE}{dt}}{c}$

As given in question

$F=2\frac{\frac{dE}{dt}}{c}$

Now F/A = Pressure

$P=\frac{2I}{c}\\\Rightarrow P=\frac{2\times 1300}{3\times 10^{8}}\\\Rightarrow P=8.67\times 10^{-6}\ N/m^2$

∴ Magnitude of the pressure on the sail is 8.67×10⁻⁶ N/m²

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What unit is used to express work?

MAXImum [283]

The unit to express work is called Joule.

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g Let the orbital radius of a planet be R and let the orbital period of the planet be T. What quantity is constant for all plane

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Explanation:

Kepler's third law gives the relationship between the orbital radius and the orbital period of the planet. Its mathematical form is given by :

$T^2=\dfrac{4\pi ^2}{GM}a^3$

Here,

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PIT_PIT [208]

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Forgive me if I'm wrong but I think the answer is C.

Explanation:

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3 years ago

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