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balu736 [363]
3 years ago
13

What’s the answer? Will give brainliest

Physics
2 answers:
Feliz [49]3 years ago
7 0

Answer:

The correct answer is option d.

Explanation:

Fusion :It is defined as nuclear reaction in which two or more than two  small nuclei combine together to form a large nucleus.

For example:

^{2}_{1}H + ^{2}_{1}H \rightarrow ^{4}_{2}He

Fission :It is defined as nuclear reaction in which a large nucleus of an atom splits into two or more than two small nuclei is known as a nuclear fission.

For example:

^{238}_{92}U \rightarrow ^{234}_{90}Th + ^{4}_{2}He is a nuclear fission reaction.

The type of reaction shown in the figure demonstrates the process involved in nuclear fusion by binding together two nuclei.

Stella [2.4K]3 years ago
5 0

Answer:

The answer to your question is: letter D

Explanation:

Fussion: means combine 2 light nucleus to form heavier nucleus.

Fission: means splitting heavy nucleus to form lighter nucleus.

In the figure we can see two light nucleus that combine to form heavier nucleus, so the answer is nuclear fussion.

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620 J of heat is added to the cylinder of an engine, which causes the gas inside to expand. As a result, the piston of the engin
Maru [420]

Answer:

<u>400</u> J work is done BY the engine.

The internal energy of the gas is <u>620</u> J

Explanation:

The given information are;

The heat added to the cylinder = 620 J

The force applied by the piston of the engine = 8.0 kN = 8,000 N

The distance over which the force moves (the piston) = 5.0 cm = 0.05 m

The work done (by the engine) = Force × Distance = 8,000 N × 0.05 m = 400 J

The internal energy is the sum of the kinetic and potential energy of the system

Therefore, given that the internal energy, U, is the sum total of the energy in the system

∴ U = The heat supplied to the system = 620 J

Which gives;

<u>400</u> J work is done BY the engine.

The internal energy of the gas is <u>620</u> J.

6 0
3 years ago
How do I solve the following problem?
lukranit [14]
Use the impulse-momentum theorem.

Ft = mv

Substitute your known values:

(120kg)(20m/s) = F(1.5)&#10;&#10;F= 1600N

Hope this helps!
7 0
3 years ago
A racing car is travelling at 70 m/s and accelerates at -14 m/s2. What would the car’s speed be after 3 s?
Leno4ka [110]
<h3><u>Question</u><u>:</u></h3>

A racing car is travelling at 70 m/s and accelerates at -14 m/s^2. What would the car’s speed be after 3 s?

<h3><u>Statement:</u></h3>

A racing car is travelling at 70 m/s and accelerates at -14 m/s^2.

<h3><u>Solution</u><u>:</u></h3>
  • Initial velocity (u) = 70 m/s
  • Acceleration (a) = -14 m/s^2
  • Time (t) = 3 s
  • Let the velocity of the car after 3 s be v m/s
  • By using the formula,

v = u + at, we have

v = 70 + ( - 14)(3) \\  =  > v = 70 - 42 \\  =  > v = 28

  • So, the velocity of the car after 3 s is 28 m/s.
<h3><u>Answer:</u></h3>

The car's speed after 3 s is 28 m/s.

Hope it helps

3 0
3 years ago
This one question is on fotoeletric effect. Does the kinetic energy of the ejected electrons from metal depends on the intensity
grandymaker [24]
Energy of one photon = kinetic energy of photoelectron + work function energy of metal.
Intensity of radiation is proportional to the number of photons arriving per second
5 0
3 years ago
A balloon drifts 14 km at an angle of 30º to the ground. What is the vertical component of the balloon
ivanzaharov [21]

Sin is the vertical component. So multiply sin 30 and 14. BOOM! You got the answer.

\sin(30)  \times 14 \:  = 7

3 0
3 years ago
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