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Goryan [66]
3 years ago
8

Most of the visible light we see coming from the sun originates from the

Physics
1 answer:
Diano4ka-milaya [45]3 years ago
7 0

Answer:

The answer for this is photosphere.

Explanation:

Most of the visible light we see coming from the sun originates from photosphere.The Photosphere is 300km dense and the temperature  at the bottom of the Photosphere is 6400K and the top of the Photosphere is 4600K respectively.

Following are the feature of photosphere that is given below.

  1. Limb Darkening: The edges are darker than the centre part of the sun.
  2. Sunspots: The size of the sunspots is similar to the size of the Earth.

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A force of constant magnitude pushes a box up a vertical surface, as shown in the figure.
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The work done on the box by the applied force is zero.

The work done by the force of gravity is 75.95 J

The work done on the box by the normal force is 75.95 J.

<h3>The given parameters:</h3>
  • Mass of the box, m = 3.1 kg
  • Distance moved by the box, d = 2.5 m
  • Coefficient of friction, = 0.35
  • Inclination of the force, θ = 30⁰

<h3>What is work - done?</h3>
  • Work is said to be done when the applied force moves an object to a certain distance

The work done on the box by the applied force is calculated as;

W = Fd cos(\theta)\\\\W = (ma)d \times cos(\theta)

where;

a is the acceleration of the box

The acceleration of the box is zero since the box moved at a constant speed.

W = (0) d \times cos(30)\\\\W = 0 \ J

The work done by the force of gravity is calculated as follows;

W = mg \times d\\\\W = 3.1 \times 9.8 \times 2.5 \\\\W = 75.95 \ J

The work done on the box by the normal force is calculated as follows;

W = (F_n) \times d\\\\W = (mg + F sin\theta) \times d\\\\W = (mg + 0) \times d\\\\W = mgd\\\\W = 3.1 \times 9.8 \times 2.5\\\\W = 75.95 \ J

Learn more about work done here: brainly.com/question/8119756

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