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Citrus2011 [14]
3 years ago
6

4) A satellite is in orbit around the earth. Which one feels the greater force?

Physics
1 answer:
tresset_1 [31]3 years ago
8 0

Answer:

im pretty sure its D) ...

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A ring made of gold is heated and then hammered into a flat, coin-like shape. Is this a physical change? Explain.
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Yes. a physical change is only modifying the structure of it.

a chemical change is permanently changing something.

cutting cheese into slices is a physical change

cooking an egg is a chemical change
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Which statement is true of a mechanical wave?
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Which statement explains what happens to older crust during seafloor spreading?
ikadub [295]

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the last one, It moves away from a mid-ocean ridge.

6 0
3 years ago
What will occur if a resistor with high resistance is inserted into a circuit?
Anton [14]
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3 years ago
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A screen is placed 1.20m behind a single slit. The central maximum in the resulting diffraction pattern on the screen is 1.40cm
andrew11 [14]

Answer:

2.8 cm

Explanation:

y_1 = Separation between two first order diffraction minima = 1.4 cm

D = Distance of screen = 1.2 m

m = Order

Fringe width is given by

\beta_1=\dfrac{y_1}{2}\\\Rightarrow \beta_1=\dfrac{1.4}{2}\\\Rightarrow \beta_1=0.7\ cm

Fringe width is also given by

\beta_1=\dfrac{m_1\lambda D}{d}\\\Rightarrow d=\dfrac{m_1\lambda D}{\beta_1}

For second order

\beta_2=\dfrac{m_2\lambda D}{d}\\\Rightarrow \beta_2=\dfrac{m_2\lambda D}{\dfrac{m_1\lambda D}{\beta_1}}\\\Rightarrow \beta_2=\dfrac{m_2}{m_1}\beta_1

Distance between two second order minima is given by

y_2=2\beta_2

\\\Rightarrow y_2=2\dfrac{m_2}{m_1}\beta_1\\\Rightarrow y_2=2\dfrac{2}{1}\times 0.7\\\Rightarrow y_2=2.8\ cm

The distance between the two second order minima is 2.8 cm

8 0
3 years ago
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