3 years ago

Approximately how long does it take the sun to orbit the milky way galaxy?

Physics

1 answer:

Aleksandr [31]3 years ago

8 0

Answer:

it takes the sun about 230 million years to orbit the milky way.

Explanation:

we're moving at an average velocity of 828,000 km/hr but it still takes us a long time to orbit the milky way.

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If i have a kinematic equation vf^2=vi^2-2*a(xf-xi), how can i solve for xi step by step

azamat

Answer:

Explanation:

$v_f^2 = v_i^2-2a(x_f-x_i)$

Subtract both sides by $v_i^2$ :

$- v_i^2+v_f^2 = -2a(x_f-x_i)$

Divide both sides by -2*a:

$\frac{v_i^2 - v_f^2}{2a} =x_f-x_i$

Add both sides by $x_i$ :

$x_i+\frac{v_i^2 - v_f^2}{2a} =x_f$

Subtract both sides by $\frac{v_i^2 - v_f^2}{2a}$ :

$x_i=x_f-\frac{v_i^2 - v_f^2}{2a}$

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4 years ago

A runner sprints 400 meters in 66 seconds. What was her speed? Be sure to include the proper units

earnstyle [38]

Answer:

It is 26600 because 400 x66 is 26600 meters

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3 years ago

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At which location does the pendulum have the least gravitational potential energy? Why?

mafiozo [28]

Answer:

At point 2

Explanation:

This is because at point 2 the ball is moving very slow, which gives it very little potential energy

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4 years ago

n optician is performing Young's double-slit experiment for her clients. She directs a beam of monochromatic light to a pair of

steposvetlana [31]

Answer:

Explanation:

This is a problem based on interference pf light waves.

wavelength of light λ = 553 nm

slit separation d = .134 x 10⁻³ m

screen distance D = 4.5 m

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= 4 x 553

= 2212 nm .

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4 years ago

What power plant bums material to make electricity?

Goshia [24]

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a fossil fuel power plant

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3 years ago

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