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ad-work [718]
3 years ago
5

Which way does heat travel? Explain your answer.

Physics
1 answer:
Archy [21]3 years ago
8 0

Answer:up

Explanation:The partials are lighter

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Carbon-12 and carbon-13 are two different___<br> of carbon.
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Answer: isotopes

Explanation:

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3 years ago
What is the wavelength of a periodic wave that has a frequency of 5.0 Hz and<br> a speed of 10 m/s?
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Answer:

26

Explanation:

meters per second has a wavelength of 26.

6 0
2 years ago
A ball is thrown horizontally from the top of a building and strikes the sidewalk after 2.8 s. How tall is the building? Neglect
Brut [27]

Answer:

h = 38.41 m

Explanation:

Given that,

A ball is thrown horizontally from the top of a building and strikes the sidewalk after 2.8 s.

We need to find the height of the building. Let it is h.

Initial speed of the ball, u = 0

Using second equation of motion to find h as follows :

h=ut+\dfrac{1}{2}at^2\\\\\text{Put u = 0 and a = g}\\\\h=\dfrac{1}{2}gt^2\\\\=\dfrac{1}{2}\times 9.8\times 2.8^2\\\\=38.41\ m

So, the building is 38.41 m tall.

3 0
2 years ago
Both a fire blanket and the spray from a fire extinguisher put out a fire by pressing down on the fire and pushing any oxygen aw
Sladkaya [172]

Answer:

Water can carry electricity

Explanation:

While pure water does not conduct electricity, ionized water does. It is common that water is ionized than is pure, unless it is purified. The dissolved ions in the water are what makes the water conduct electricity. Handling electric equipment with wet hands may lead to electrocution.

7 0
3 years ago
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In this system, solar energy from sunlight causes the solar panel to create solar energy which flows into the incandescent light bulb. In the light buld, the solar energy is transformed into two different types of energy: light energy and electric energy.
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2 years ago
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