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DanielleElmas [232]
3 years ago
15

Diya visited a tailor shop and bought home three cuttings of fabric A,B and C to study their properties. Diya tried burning the

three fibres. Fabric A smelt of burning paper,fabric B smelt of burning hair while fabric C shrunk on burning. Can you help Diya identify fabrics A,B and C
Physics
1 answer:
andreev551 [17]3 years ago
3 0

Answer:

Rayon

Wool

Silk Yarn

Explanation:

Rayon

This is Fabric A. Rayon basically burns very quickly even quicker than fabrics like cotton and linen. Its ash is gray in color. The rayon fabric smells of burning paper when it is burnt.

Wool:

This is Fabric B. Wool is basically hard to ignite. It burns slowly. Its ash is dark in color. The wool fabric smells of burning hair when it is burnt.

Silk Yarn:

This is Fabric C. The silk yarn shrinks from the flame when it is burned. It has a grayish black ash. The silk yarn fabric smells burnt meat of  when it is burnt.

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Explain how the basic unit are combined to give the derived units of force, velocity, pressure and work
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Velocity:

Velocity is change in displacement with respect to time:

\frac{\Delta x}{\Delta t}

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Newton's second law of motion:

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Kilogram (mass) is a basic unit, and accelerations unit can be found using the equation:

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Pressure:

Pressure is given by the equation:

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maybe its heat sorry if it's wrong

because if friction is not in the problem so we are making heat or thermal energy

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