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kogti [31]
4 years ago
8

In a nuclear reactor 1 g of mass is converted into energy. How much energy in Joules is produced?

Physics
1 answer:
KengaRu [80]4 years ago
5 0

Answer:

3 x 10^5  J

Explanation:

mass of substance, m = 1 g = 0.001 kg

Velocity of light, c = 3 x 10^8 m/s

According to the Einstein mass energy equivalence, the energy associated with the mass is given by

E = m c^2

E = 0.001 x 3 x 10^8

E = 3 x 10^5  J

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Select the correct answers.
diamong [38]

Answer:

decreases, increases, minimum (zero)

Explanation:

Kinetic energy of a body is directly proportional to the square of velocity of the body and the potential energy is directly proportional to the height  of the body at which it is placed.

The formula for the kinetic energy is

K = 1/2 m v^2

The formula for the potential energy is

U = m g  h

As the body goes up its kinetic energy decreases as the velocity of the object decreases.

As the body goes up the potential energy increases as the height increases.

At the top most point, the velocity of teh object is zero, so the kinetic energy at the top is zero.

8 0
4 years ago
Read 2 more answers
How many milliliters are in 1 liter?
posledela

1 litre = 1000 Milliliters is the answer

1 m^3 = 1000 litres

4 0
3 years ago
Read 2 more answers
A grandfather clock depends on the period of a pendulum to keep correct time.(ii) Suppose a grandfather clock is calibrated corr
ANEK [815]

The grandfather clock will now run slow (Option A).

<h3>What is Time Period of an oscillation?</h3>
  • The time period of an oscillation refers to the time taken by an object to complete one oscillation.
  • It is the inverse of frequency of oscillation; denoted by "T".

Now,

  • \sqrt{\frac{L}{g}}, where L is the length and g is the gravitational constant, is the formula for a pendulum's period.
  • The period will increase as one climbs a very tall mountain because g will slightly decrease.
  • Due to this and the previous issue, the clock runs slowly and it seems that one second is longer than it actually is.

Hence, the grandfather clock will now run slow (Option A).

To learn more about the time period of an oscillation, refer to the link: brainly.com/question/26449711

#SPJ4

6 0
2 years ago
Reactance Frequency Dependence: Sketch a graph of the frequency dependence of a resistor, capacitor, and inductor. RLC Circuit R
jolli1 [7]

Answer:

f=\frac{1}{2\pi \sqrt{LC}}

Explanation:

We know that impedance of a RLC circuit is given by Z=R+J(X_L-X_C)

So Z=\sqrt{R^2+(X_L-X_C)^2} here R is resistance X_L is inductive reactance and X_C is capacitive reactance

To minimize the impedance X_L-X_C should be zero we know that X_L=\omega L\ and \ X_C=\frac{1}{\omega C}

So \omega L-\frac{1}{\omega C}=0

\omega ^2=\frac{1}{LC}

\omega =\sqrt{\frac{1}{LC}}

We know that \omega =2\pi f

So \omega =2\pi f=\frac{1}{\sqrt{LC}}

f=\frac{1}{2\pi \sqrt{LC}}

Where f is resonance frequency  

8 0
3 years ago
Cathode-ray tubes produce images on the principle of induced emf. true or false?
yan [13]
The appropriate response is false. Cathode-beam ray does not deliver pictures on the guideline of instigated emf. The cathode-ray is a high-vacuum tube in which cathode beams deliver an iridescent picture on a fluorescent screen, utilized mostly in TVs and workstations.
3 0
3 years ago
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