Choose the statement about nuclear fusion that is always correct?

Physics

2 answers:

Marina CMI [18]3 years ago

4 0

Yeah it is c
<span> Nuclear fusion is an energetically favorable process for lighter atoms. </span>

sweet [91]3 years ago

3 0

The correct answer is C.
Nuclear fusion is an energetically favorable process for lighter atoms.
The proportion of hydrogen which is converted to energy in nuclear fusion is 0.68 percent or 0.7 percent.
Nuclear fusion produces energy which is from matter and nuclear fusion produces matter from energy.
The nuclear energy which splits large atom into small ones and then gives out energy.
Some matter is being lost and being converted to energy by Einstein's Δm×C².
Nuclear energy fusion makes larger elements and takes smaller elements.
For fusion to occur then energy must be converted to mass.

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Ostrovityanka [42]

None of them are the correct answers.

3 0

3 years ago

A plane is flying east at 115 m/s. The wind accelerates it at 2.88 m/s^2 directly northwest. After 25.0s, what is the magnitude

kondaur [170]

Answer:

81.8 m/s

Explanation:

The initial velocity of the plane is:

$v_0=115 m/s$ (toward east)

So, decomposing along the x- and y- directions:

$v_{x0} = 115 m/s\\v_{y0} = 0$

(we took east as positive x-direction and north as positive y-direction)

The acceleration is

$a=2.88 m/s^2$ (northwest, so the angle with the positive x-direction is 135 degrees)

Decomposing it along the two directions:

$a_x = a cos 135^{\circ} = (2.88 m/s^2)(cos 135^{\circ})=-2.04 m/s^2\\a_y = a sin 135^{\circ} = (2.88 m/s^2)(sin 135^{\circ})=2.04 m/s^2$

So the two components of the velocity after a time t = 25.0 s will be

$v_x = v_{x0} + a_x t = 115 m/s + (-2.04 m/s^2)(25.0 s)=64 m/s\\v_y = v_{y0} + a_y t = 0 m/s + (2.04 m/s^2)(25.0 s)=51 m/s$

So, the magnitude of the velocity of the plane will be

$v=\sqrt[v_x^2+v_y^2}=\sqrt{(64 m/s)^2+(51 m/s)^2}=81.8 m/s$

6 0

3 years ago

Choose the correct statement regarding energy production in the interior of a star and energy production in a power plant.

sergey [27]

' C ' is the only correct statement here.

8 0

3 years ago

A student used a tuning fork of frequency 320 Hz and observed that the speed of sound was 339 m/s. Calculate the wavelength of t

Helen [10]

To solve this problem it is necessary to apply the concepts related to wavelength as a function of speed and frequency. In mathematical terms it can be expressed as

$\lambda = \frac{v}{f}$