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Musya8 [376]
3 years ago
13

What happens to a bar of metal when its heated?

Physics
2 answers:
Nookie1986 [14]3 years ago
5 0
Metal expands when heated.
SashulF [63]3 years ago
5 0

Answer:

It gets longer when heated.

Explanation:

If the temperature of a solid is increased, the solid expands. When a solid is cooled, it contracts.

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Describe how radiant energy, light energy, and solar energy are related. ( Please ❤️ )
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Answer:

L’énergie solaire récolte l’énergie radiante portée par la lumière de notre soleil en la convertissant en électricité.Biomasse des plantes. Les plantes sont capables d’exploiter et d’utiliser l’énergie lumineuse dans un processus appelé photosynthèse.

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3 years ago
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3 years ago
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The acceleration due to gravity on the Moon's surface is
Molodets [167]

Answer:

50 lb

Explanation:

Given,

The weight of astronaut's life support backpack on Earth (w) = 300 lb

Acceleration due to gravity on Earth (g) = 9.8 m/s²

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g'=\frac{g}{6}

We know that weight of an object on Earth is,

w = m\times g

m = \frac{w}{g}

Similarly, weight on Moon will be

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w' = \frac{w}{g}\times\frac{g}{6}

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Thus the astronaut's life support backpack will weigh 50 lb on Moon.

7 0
3 years ago
The caste system in India is illegal. True or False
anzhelika [568]
<span>Discrimination is illegal, but caste system is legal.
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4 0
3 years ago
Which means "to study or examine”?
garik1379 [7]
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