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Stells [14]
4 years ago
14

Contrast physical changes with chemical changes

Physics
1 answer:
Dafna1 [17]4 years ago
8 0
Physical changes are temporary, such as an ice cube melting and chemical changes are more permanent, such as acid rain weathering off the side of a rock.
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Explanation:

There are various examples around us that states " internal hold back property " and is different from frictional force or the force of Earth's gravity.

The plaster which is the mixture of cement and water has an adhesive nature and molecules inside them has a internal hold back property. They stick to the walls and ceiling and do not fall.

Though gravity is applied on it still its molecules tends to hold the ceiling firmly and do not fall upon.

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Mrs. Stark weighs 70kg. How much Potential Energy does she have if she stands on the roof of an 80m tall building?
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70kg

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3 years ago
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3 years ago
Fluency means that
dalvyx [7]

Answer:

a. you speak clearly and well

Explanation:

6 0
3 years ago
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hi <3

i believe i explained this answer properly in my last answer but it would be 4kg and 2400m as these are the SI units for these values.

hope this helps :)

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3 years ago
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