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scoray [572]
3 years ago
5

paper by itself catches fire easily whereas a piece of paper wrapped around an alluminium pipe does not.​

Physics
1 answer:
Julli [10]3 years ago
7 0

Answer:

The paper does not catch fire when wrapped around aluminium pipe because aluminium absorbs the heat, so paper does not attain its ignition temperature.

Explanation:

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A firecracker breaks up into three pieces, one of which has a mass of 200 g and flies off along the x-axis with a speed of 82.0
Mamont248 [21]

Answer:

|P_3|=21.242m/s

Explanation:

From the question we are told that:

Mass m=200g=0.2

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Generally the equation for Magnitude of the Third piece is mathematically given by

P_1+P_2+P_3=0

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Where

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And

P_2=0.3*45

P_2=13.5kgm/s

Therefore

|P_3|=\sqrt{16.4^2+13.5^2}

|P_3|=21.242m/s

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