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3 years ago

What are 3 common uses for the Uranium Element?

1 answer:

4 0

Uranium provides nuclear fuel used generate electricity in nuclear power station,also used by the military to power nuclear submarines and in nuclear weapons.

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If E=mc^2,solve for both m and c. Also, if m=80 and c=0.40 what is the value of E?

Pie

Answer:

$m = \frac{E}{c^2}$

$c = \sqrt{\frac{E}{m} }$

$E = 12.8 J$

Explanation:

Part 1: Solving for m

We are given that:

E = mc²

To solve for m, we will need to isolate the m on one side of the equation

This means that we will simply divide both sides by c²

$m = \frac{E}{c^2}$

Part 2: Solving for c

We are given that:

E = mc²

To solve for c, we will need to isolate the m on one side of the equation

This means that first we will divide both sides by m and then take square root for both sides to get the value of c

$c^2 = \frac{E}{m}\\ \\ c=\sqrt{\frac{E}{m}}$

Part 3: Solving for E

We are given that:

m = 80 and c = 0.4

To get the value of E, we will simply substitute in the given equation:

E = mc²

E = (80) × (0.4)²

E = 12.8 J

Hope this helps :)

4 0

3 years ago

Which is common to the life cycles of both flowering and non-flowering plants?

Stolb23 [73]

Answer:

2 stay dormant

bbdndndn

4 0

3 years ago

Read 2 more answers

What are these means in Periodic Table; Group Period Block

just olya [345]

1. Group: Groups shows the number of valence electrons and are shown in columns on the periodic table.

2. Period: Periods show the number of energy levels each element has and are shown in rows on the periodic table (up and down).

3. Blocks are show the amount of orbitals each element has. There is an s block, d block, p block, and f block.

5 0

2 years ago

How many microliters are in 7.4 x 10^-61 centimeters?

schepotkina [342]

Answer:

Microliters = $7.4\times 10^{-58}$

Explanation:

SI unit of volume is liter.

$1 dm^{3}=1 liter$ ..............................(1)

1dm=10cm

$1dm^{3} = 1000 cm^{3}$ .................(2)

replacing value of $1 dm^{3}$ from equation (1) in equation (2)

$1 liter = 1000 cm^{3}$ ...................(3)

but

$1 liter = 10^{6} microliters$ ....................(4)

replacing value of 1 liter from equation (3) in equation (4)

$1000 cm^{3} = 10^{6} microliters$

on solving further ,we get

$1 cm^{3} = \frac{10^{6}}{10^{3}}microliter$

$1 cm^{3} = 1000 microliter$

$7.4\times 10^{-61}\times 1000$

Microliters = $7.4\times 10^{-58}$

8 0

2 years ago

Which of the following quantities is conserved in a chemical reaction

Nezavi [6.7K]

Answer:

In both nuclear and chemical reactions, two physical quantities are seen to be conserved and unchanging: the number of particles and the total charge. A constant number of particles in nuclear reactions does not imply that mass is conserved.

Explanation:

7 0

2 years ago