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Illusion [34]
3 years ago
5

What is the timeline for the law of conservation of energy

Physics
1 answer:
kirill [66]3 years ago
4 0
In 1842, Julius Robert Mayer discovered The law of conservation of Energy. It its most compact form, it it  now called The first law of Thermodynamics

Energy can neither be created nor destroyed, it can only be changed to another form of energy.
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Whenever a charged particle encounters a magnetic field, the particle tends to spiral around the magnetic field lines. as it doe
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4 0
3 years ago
Three bulbs are connected by tubing, and the tubing is evacuated. The volume of the tubing is 45.0 mL. The first bulb has a volu
kipiarov [429]

Answer:

The final pressure of the whole system is 34.80 atm.

Explanation:

Given that,

Volume = 45.0 ml

Volume of first bulb = 77.0 mL

Pressure  = 8.89 atm

Volume of second  bulb = 250 mL

Pressure = 2.82 atm

Volume of third  bulb = 21.0 mL

Pressure = 8.42 atm

We need to calculate the final pressure of the whole system

Using formula of pressure

P_{1}V_{1}+P_{2}V_{2}+P_{3}V_{3}+P_{t}V_{t}=P_{f}V_{f}

Where, P_{1}= pressure of first bulb

P_{2}= pressure of second bulb

P_{3}= pressure of third bulb

P_{4}= initial pressure of tube

V_{1}= Volume of first bulb

V_{2}=Volume of second bulb

V_{3}= Volume of third bulb

V_{4}= Initial volume of tube

Put the value into the formula

8.89\times77.0+250\times2.82+21.0\times8.42+0=P_{f}\times45

P_{f}=\dfrac{1566.35}{45}

P_{f}=34.80\ atm

Hence, The final pressure of the whole system is 34.80 atm.

4 0
3 years ago
In fission processes, which of the following statements is true? The total number of protons and the total number of neutrons bo
Amiraneli [1.4K]

Answer: A. The total number of protons and the total number of neutrons both remain the same.

Explanation:

Nuclear fission is the process in which a large nucleus splits into two smaller nuclei with the release of energy. In other words, fission is the process in which a nucleus is divided into two or more fragments, and neutrons and energy are released.

7 0
3 years ago
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