4 years ago

Where on earth is the tilt of earth least likely to affect seansons?

1 answer:

6 0

The answer is the equator because the equator in receives sunlight all year round and has a constant average temperature all year round so it is least likely to affect the seasons.

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I need help idk if it’s C or D?

alex41 [277]

I think the answer is D.

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3 years ago

A sun-like star is barely visible to naked-eye observers on earth when it is a distance of 7.0 light years, or 6.6 * 1016 m, awa

igomit [66]

Answer:

At a distance of 1376.49 candle emits 0.2 watt power

Explanation:

Distance between Sun and earth $6.6\times 10^{16}m$

Sun emits a power of $P=3.8\times 10^{26}watt$

Power emitted by candle = 0.20 watt

We know that brightness is given by

$B=\frac{P}{4\pi d^2}$

So $\frac{3.8\times 10^{26}}{4\pi (6\times 10^{16})^2}=\frac{0.20}{4\pi d^2}$

$3.8\times 10^{26}d^2=7.2\times 10^{32}$

$d^2=1.89\times 10^6$

$d=1376.49m$

So at a distance of 1376.49 candle emits 0.2 watt power

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3 years ago

The atomic mass of carbon-13 is 13. It has six protons. How many neutrons does this isotope have?

Ber [7]

Carbon-13 will have 6 protons (because it is carbon), 6 electrons, and 7 neutrons. Isotopes have a different number of neutrons.

7 0

3 years ago

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A pulse traveled the length of a stretched spring the pulse transferred...A)energy only B)mass only C)both energy and mass D) ne

xz_007 [3.2K]

Answer:

Explanation:

So a pulse is a part of a mechanical wave, and mechanical waves are energy transfer trough some medium, in this case a stretched spring. So the correct answer is (A) energy only. The pulse cant be transferred into mass.

8 0

3 years ago

What are the SI units for work? A. Calories B. Watts C. Ergs D. Joules

fenix001 [56]

D Juuls is the Si unit for work.

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4 years ago

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