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S_A_V [24]
3 years ago
14

What are the standard units of specific gravity?

Physics
2 answers:
mafiozo [28]3 years ago
8 0

the answer is b.kg/L

the proper answer is 1.0 kg per litre

mr_godi [17]3 years ago
4 0

Answer:

<u><em>The answer is</em></u>: <u>g / cm3.</u>

<u />

Explanation:

Specific gravity <em>is a comparison of the density of a substance with the density of water.</em>

The specific gravity of water at a standard temperature and pressure is considered as one, <em>so if the specific gravity of a substance is five, it means that it is five times denser than water. </em>

<em>It is common that said substance is always water, since it is known that it has</em> 1 gram per milliliter or 1 gram per cubic centimeter.

<u><em>The answer is</em></u>: <u>g / cm3.</u>

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the half-life of iodine-131 is 8.1 days. how much time had passed if i only have one-fourth of the original sample?​
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16.2 days

Explanation:

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3 years ago
While driving north at 25 m/s during a rainstorm you notice that the rain makes an angle of 38° with the vertical. While driving
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Answer:21.33^{\circ}

Explanation:

Given

velocity of driver v_1=25 m/s w.r.t ground towards north

driver observes that rain is making an angle of 38^{\circ} with vertical

While returning v_2=25 m/s w.r.t. ground towards south

suppose u_1=velocity of rain drop relative car while car is going towards north

u_2=velocity of rain drop relative car while car is going towards south

z=vector sum of u_1 & v_1

Now from graph

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therefore magnitude of z is given by

|z|=\sqrt{u_2^2+v_2^2}

|z|=\sqrt{64^2+25^2}

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\tan A=\frac{v_2}{u_2}

\tan A=\frac{25}{64}=0.3906

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