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Serhud [2]
3 years ago
7

If one gram of matter could be completely converted into energy, the yield would be

Physics
1 answer:
noname [10]3 years ago
5 0

Answer:

Energy, E=9\times 10^{13}\ J

Explanation:

It is given that,

Mass of matter, m = 1 g = 0.001 Kg

If this matter is completely converted into energy, we need to find the yield. The mass of an object can be converted to energy as :

E=mc^2

c = speed of light

E=0.001\ kg\times (3\times 10^8\ m/s)^2

E=9\times 10^{13}\ J

So, the energy yield will be 9\times 10^{13}\ J. Hence, this is the required solution.

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MathPhys Help pls Tysm
HACTEHA [7]

Answer:

8.75

Explanation:

First, find the force of friction.

Kinetic energy = work done by friction

½ mv² = Fd

½ (3.9 kg) (2.9 m/s)² = F (1.4 m)

F = 11.7 N

Next, find the distance at the new velocity.

Kinetic energy = work done by friction

½ mv² = Fd

½ (3.9 kg) (2.5 × 2.9 m/s)² = (11.7 N) d

d = 8.75 m

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3 years ago
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Why is it important to use the correct number of significant digits when
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Answer:

D

Explanation:

Scientists use significant figures to avoid claiming more accuracy in a calculation than they actually know.

6 0
3 years ago
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What is the voltage across each resistor?
kogti [31]

Answer:

see solution below

Explanation:

The given resistors are connected in series.

Equivalent resistance in series = 30 + 55 + 15

Equivalent resistance in series Rt = 100 ohms

Since the potential difference in the circuit = 36V

Get the current in the circuit first

I = V/Rt

I = 36/100

I = 0.36A

Get the voltage across 30ohms resistor;

V30 = 0.36 * 30

V30  = 10.8volts

Hence the voltage across the 30ohms resistor is 10.8volts

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V55 = 0.36 * 55

V55  = 19.8volts

Hence the voltage across the 55ohms resistor is 19.8volts

Get the voltage across 15ohms resistor;

V15 = 0.36 * 15

V15  = 5.4volts

Hence the voltage across the 15ohms resistor is 5.4volts

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If mars has an orbital period of 1.84 years how far from the sun is it and how
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<span>141.6 million mi,and idk what u mean by how</span>
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The cloud of interstellar dust and gas that forms a star is known as a
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