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leonid [27]
3 years ago
14

This version of Einstein’s equation is often used directly to find what value?

Physics
2 answers:
Setler [38]3 years ago
8 0
This version of Einstein’s equation is often used directly to find what value? E = ∆mc2

Answer: This version of Einstein’s equation is often used directly to find the mass that is lost in a fusion reaction. Therefore the correct answer to this question is answer choice C).

I hope it helps, Regards.
Sindrei [870]3 years ago
5 0

<u>Answer</u>

A. the energy that is released in a nuclear reaction


<u>Explanation</u>

Robert Einstein devised the equation in 1905. He believed that some radioactive elements such as uranium constantly converted some of their mass to energy.

From the reactions of radioactive elements there came the production of nuclear energy. This energy is given by the Einstein’s equation, E = mc².


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Does the efficiency of a motor depend on mass?
Valentin [98]

Practically yes

  • Efficiency=Output/input

So

If mass is more output may come less so it affects the efficiency practically

But thepritically it doesn't

5 0
2 years ago
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What is another word for cycles per second??
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3 years ago
A wave pulse traveling to the right along a thin cord reaches a discontinuity where the rope becomes thicker and heavier. What i
Talja [164]

Answer:

the reflected wave is inverted and the transmitted wave is up

Explanation:

To answer this question we must analyze the physical phenomenon, with an wave reaching a discontinuity, we can analyze it as a shock.

Let's start when the discontinuity is with a fixed, very heavy and rigid obstacle, in this case the reflected wave is inverted, since the contact point cannot move

In the event that it collides with an object that can move, the reflected wave is not inverted, this is because the point can rise, they form a maximum at this point.

In the proposed case the shock is when the thickness changes, in this case we have the above phenomena, a part of the wave is reflected by being inverted and a part of the wave is transmitted without inverting.

The amplitude sum of the amplitudes of the two waves is proportional to the lanería that is distributed between them.

When checking the answers the correct one is the reflected wave is inverted and the transmitted wave is up

8 0
3 years ago
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A liquid has a volume of 100 cm and a mass of 85g.
djyliett [7]

Answer:

B. Its density is lower than that of water

Explanation:

density = mass / volume

density of the liquid = 85 / 100 = 0.85 g/cm^3

now,

density of water is 1 g/cm^3 which is greater than the density of the given liquid ( 0.85 g/cm^3 )

6 0
2 years ago
Which two statements about kinetic energy are true
gtnhenbr [62]

Answer:

A, C

Explanation:

It can be found in objects like a swing. It creates kinetic energy when it is coming back or going away, while moving.

8 0
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