Answer:
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Explanation:
Answer:
2.857 gm
Explanation:
<u>Step 1: Energy from uranium fission
</u>
The ratio of energy reeled from uranium to coal= 2.5 million times=2.5*10⁶
<u>step2: mass of uranium 235 required
</u>
To get the same energy that of 1 ton coal, the mass reuied will be = (1/2.5) * 10⁻⁶ ton=0.4 * 10⁻³ Kg
where we have taken 1 ton = about 1000Kg
<u>step3: mass of uranium
</u>
mass of u-235 = 70% of natural Uranium=0.7 Mu
So Mu= (1/0.7 )* mass of U-235=(0.4 * 10⁻³ Kg)/0.7=0.571 gm
<u>Step 4: Mass of ore
</u>
mass of Mu = 20% of ore=0.2 M
So, mass of ore= (1/0.2 )* mass of MU-=(0.571)/0.2 gm=2.857 gm
The second one because the zeroes in the middle count. 2.0002
Is is the second one. 336 k. 273.15K= 0C.
three types
The three types of thermal expansions are Linear expansion , Superficial expansion and Cubical expansion.
