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3 years ago

8

A propagating wave in space with electric and magnetic components. These components oscillate at right angles to each other. It

may travel in a vacuum.

2 answers:

zimovet [89]3 years ago

8 0

Answer:

electromagnetic

Explanation:

Lilit [14]3 years ago

4 0

Answer: electromagnetic

Explanation:

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The true weight of the aluminium is $m_{alu} =$ 4.5021 kg

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Given data

$m_{app}$ = 4.5 kg

$\rho_{air}$ = 1.29 $\frac{kg}{m^{3} }$

$\rho_{al}$ = 2.7× $10^{3} \frac{kg}{m^{3} }$

The true mass of the aluminium is given by

$m_{alu} = \frac{\rho_{alu}m_{app}}{\rho_{alu} -\rho_{air} }$

Put all the values in above equation we get

$m_{alu} = \frac{(2700)(4.5)}{2700-1.29}$

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Therefore the true weight of the aluminium is $m_{alu} =$ 4.5021 kg

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