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3 years ago

The sun's electromagnetic radiation is produced by

Physics

2 answers:

Hoochie [10]3 years ago

5 0

The Sun emits electromagnetic radiation at many wavelengths across the EM spectrum.

Aleksandr-060686 [28]3 years ago

5 0

Answer:

The electromagnetic radiation of the sun is produced by atomic reactions that occur inside the sun.

Explanation:

The sun produces a huge amount of electromagnetic radiation due to the nuclear fusion reaction in its nucleus, in which the hydrogen is converted to helium. The temperature at the core of the sun is about 13,600,000 Kelvin, and this heat is transferred to the next layer by thermal radiation. After that, the heat is brought to the surface of the sun by convection. From the surface, where the temperature is about 5,700 K, the energy of the sun travels through the space in the form of light radiation. Some of this light comes to Earth, and some of the energy is trapped by the atmosphere, heating the Earth.

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A mass of a spring vibrates in simple harmonic motion at a frequency of 8.0 Hz and an amplitude of 3.9 cm. If a timer is started

oee [108]

Answer:

e = 50.27 give / s

Explanation:

The expression for simple harmonic motion is

x = A cos (wt + Ф)

in this case they give us the amplitude A = 3.9 cm and frequency f = 8.0 Hz

The angular and linФear variables are related

e = 2π d

e = 2π 8

e = 50.27 give / s

let's look for the constant fi

so let's find the time to have the maximum displacement

v = dx / dt

v = -A w sin (wt +Ф)

for the point of maximum displacement the speed is I think

0 = - sin (0 + Ф)

therefore fi = 0

Let's put together the equation of motion

x = 0.039 sin (50.27 t)

v = 0.039 50.27 sin (50.27 3)

v = 1.96 50 0.01355

v = 0.0266 m / s

8 0

3 years ago

What is the magnitude of fs on an object lying on a flat surface without moving, on

Degger [83]

The magnitude of the force acting on the object lying on a flat surface without moving is 10 N.

The given parameters;

magnitude of force on the object, F = 10 N

angle between the object and the horizontal flat surface = 0⁰

Apply Newton's second law of motion to determine the magnitude of the force on the object.

Due to the position of the object, the magnitude of the force acting on it is calculated as;

$\Sigma F_{net} = F\sin(\theta ) + F cos(\theta)\\\\\Sigma F_{net} = 10 sin(0) + 10cos(0)\\\\\Sigma F_{net} = 10 \ N$

Therefore, the magnitude of the force acting on the object is 10 N.

Learn more here: brainly.com/question/19887955

7 0

3 years ago

A ball is thrown downward at 5ms from roof 10m high its velocity when it reaches the ground is?,

lions [1.4K]

<span>A ball is thrown downward at 5ms from roof 10m high its velocity when it reaches the ground is 0 m/s. This is because it already dropped from the ground or x axis. So the velocity already stopped. </span>

5 0

4 years ago

How to calculate kinetic energy ? (physics/physical science)

Vladimir79 [104]

Kinetic energy is equal to half of an objects mass multiplied by the velocity squared.

7 0

3 years ago

A graph shows how the temperature of a substance changes as energy is added steadily over time.

OlgaM077 [116]

Answer:

A flat, horizontal line

Explanation:

A flat, horizontal line indicates a phase change.

The temperature does not increase because the added heat goes into converting one phase into another.

A is wrong. A downward-sloping line indicates that the temperature is decreasing with time.

C is wrong. An upward-sloping line indicates that the temperature is increasing with time.

8 0

3 years ago

Read 2 more answers