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2 years ago

4.5 x 10kg) - (2.3 x 10 kg)

Physics

2 answers:

Degger [83]2 years ago

6 0

Answer:

22 kg

Explanation:

I hope this helps!

Wewaii [24]2 years ago

6 0

Answer:

22 kilograms

Hope it helps :) (if it does can i pls have brainliy thing)

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Oksanka [162]

Explanation:

We need to calculate the speed of light in each materials

(I). Gallium phosphide,

The index of refraction of Gallium phosphide is 3.50

Using formula of speed of light

$v=\dfrac{c}{\mu}$ ....(I)

Where, $\mu$ = index of refraction

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Put the value into the formula

$v=\dfrac{3\times10^{8}}{3.50}$

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The index of refraction of Gallium phosphide is 1.63

Put the value in the equation (I)

$v=\dfrac{3\times10^{8}}{1.63}$

$v=1.8\times10^{8}\ m/s$

(III). Benzene,

The index of refraction of Gallium phosphide is 1.50

Put the value in the equation (I)

$v=\dfrac{3\times10^{8}}{1.50}$

$v=2\times10^{8}\ m/s$

Hence, This is the required solution.

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3 years ago

A cylindrical rod of copper (E = 110 GPa, 16 × 106 psi) having a yield strength of 240 MPa (35,000 psi) is to be subjected to a

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Answer:

d= 7.32 mm

Explanation:

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E= 110 GPa

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We know that elongation due to load given as

$\Delta L=\dfrac{PL}{AE}$

$A=\dfrac{PL}{\Delta LE}$

$A=\dfrac{6640\times 370}{0.53\times 110\times 10^3}$

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For this case you must first know the definition of density.
D = m / v
where,
m: mass
v: volume.
You can then write the following hypothesis:
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