How to use heliocentric in your own sentence?

Physics

1 answer:

Alexus [3.1K]2 years ago

8 0

According to the heliocentric theory, the sun is the center of everything in the universe.

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Please answer this. Science 7th grade.

nikdorinn [45]

Answer:

the answer would be 2

Explanation:

it would be 2 because if u look at the diagram the darkest arrow is pointsin towards earth and the moon and when the moon is infront of the sun it cause's an eclispe

6 0

3 years ago

A street light is mounted at the top of a 15-ft-tall pole. A man 6 ft tall walks away from the pole with a speed of 4 ft/s along

babymother [125]

Answer:

Explanation:

height of pole = 15 ft

height of man = 6 ft

Let the length of shadow is y .

According to the diagram

Let at any time the distance of man is x.

The two triangles are similar

$\frac{y-x}{y}=\frac{6}{15}$

15 y - 15 x = 6 y

9 y = 15 x

$y=\frac{5}{3}x$

Differentiate with respect to time.

$\frac{dy}{dt}=\frac{5}{3}\frac{dx}{dt}$

As given, dx/dt = 4 ft/s

$\frac{dy}{dt}=\frac{5}{3}\times 4$

$\frac{dy}{dt}=\frac{20}{3}$ ft/s

6 0

3 years ago

What are the characteristics of low energy waves?

Leokris [45]

I think the correct answer from the choices presented above is the first option. The characteristics of low energy waves are <span>long wavelengths and low frequencies. Energy is established to be indirectly proportional to wavelengths and frequencies.</span>

8 0

3 years ago

Read 2 more answers

Which type of electromagnetic radiation has the highest frequency?

Likurg_2 [28]

Explanation:

As we know that relation between energy and wavelength is as follows.

E = $\frac{hc}{\lambda}$