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3 years ago

14

What process provides the sun with its energy

2 answers:

vekshin13 years ago

7 0

Answer:

nuclear fusion

Explanation:

The sun generates energy from a process called nuclear fusion. During nuclear fusion, the high pressure and temperature in the sun's core cause nuclei to separate from their electrons. Hydrogen nuclei fuse to form one helium atom.

Molodets [167]3 years ago

6 0

Answer:

nuclear fusion

<h3>The sun generates energy from a process called nuclear fusion. During nuclear fusion, the high pressure and temperature in the sun's core cause nuclei to separate from their electrons. Hydrogen nuclei fuse to form one helium atom. During the fusion process, radiant energy is released.</h3>

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A submarine is 3.00 x 10^2 m horizontally from shore and 120.0 m beneath the surface of the water. A laser beam is sent from the

PSYCHO15rus [73]

Answer:

Explanation:

a ) Let angle of incidence and angle of refraction be i and r respectively .

submarine is 300 m away from the shore . The point where laser strikes the surface of sea is 90 m horizontally away .

Tan r = 90 / 120

= 3 / 4

.75

r = 37 degree

c ) sini / sin37 = 1.333

sini = .8

i = 53 degree

Tan 53 = 210 / h , h is height of the building .

h = 210 / tan 53

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3 0

4 years ago

Force (N) = 250<br> Mass (kg) = 221<br> Acceleration (m/s^2) = ?

lyudmila [28]

Answer:

The required acceleration is $a=1.1$ m/s²

Explanation:

Given

Force F = 250 N

Mass m = 221 kg

To determine

Acceleration a = ?

We know that acceleration is produced when a force is applied to a body.

The acceleration can be determined using the formula

$F = ma$

where

F is the force

m is the mass

a is the acceleration

now substituting F = 250 , and m = 221 in the formula

$F = ma$

$250 = 221 (a)$

switch the equation

$221(a) = 250$

Divide both sides by 221

$\frac{221a}{221}=\frac{250}{221}$

simplify

$a=\frac{250}{221}$

$a=1.1$ m/s²

Therefore, the required acceleration is $a=1.1$ m/s²

8 0

3 years ago

A double-slit diffraction pattern is formed on a distant screen. If the separation between the slits decreases, what happens to

STALIN [3.7K]

Answer:

The distance between interference fringes increases.

Explanation:

In a double-slit diffraction pattern, the distance of the n-order fringe from the centre of the pattern is

$y=\frac{n \lambda D}{d}$

where $\lambda$ is the wavelength of the light, D the distance of the screen, and d the separation between the slits.

If we take two adjacent fringes, n and (n+1), their distance is

$\Delta y = \frac{(n+1)\lambda D}{d}-\frac{n\lambda D}{d}=\frac{\lambda D}{d}$

so, we see that it is inversely proportional to the slit separation, d.

Therefore, if the separation between the slits decreases, the distance between the interference fringes increases.

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3 years ago

A roller coaster car picks up speed as it rolls down the slope. It accelerates at a rate of 6 m/s. What is its

Rom4ik [11]

Answer:

velocity = speed of an object Basically, as speed increases, velocity increases...

Explanation:

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3 years ago

Two double bonds means that the total number of electrons being shared in the molecule is

torisob [31]

One double bond consists 4 electrons, so 2 double bonds means 8 electrons

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4 years ago