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sesenic [268]
3 years ago
10

The four basic properties of lighting are

Physics
1 answer:
Maksim231197 [3]3 years ago
3 0
The basic properties of light are: wavelenght, frequency, energy and speed
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Se coloca una tuerca con una llave, como muestra la figura, si el brazo r= 30 cm y el torque de apriete recomendado para la fuer
irina [24]

Answer:

F = 100 N

Explanation:

The torque is given by the expression

      τ = F x r

where bold letters indicate vectors, the magnitude of this expression is

     τ = F r sin θ

In general, when tightening a nut, the force is applied perpendicular to the arm, therefore  θ = 90 and sin 90 = 1

      τ = F r

      F = τ / r

calculate

      F = 30 / 0.30

      F = 100 N

6 0
3 years ago
your teacher shows you a cell that contains filaments that can cause the cell to contract,shortening the length of the cell.to w
nika2105 [10]

The cell belongs to the then musculoskeletal system of the body.

<h3>What type of cells contains filaments that can cause the cell to contract, shortening the length of the cell?</h3>

The myocytes or muscle cells are special cells found in smooth, cardiac, and skeletal muscles that have differentiated for the specialized function of contraction.

Myocytes are long, cylindrical, multi-nucleated, and striated. They contain filaments that can cause the cell to contract, shortening the length of the cell.

Skeletal muscle cells contain many mitochondria required to generate sufficient ATP since skeletal muscle cells have high energy requirements.

The muscle cells form a part of the musculoskeletal system of the body.

In conclusion, muscle cells are required for muscular contraction.

Learn more about muscle cells at: brainly.com/question/15441674

#SPJ1

8 0
2 years ago
Objects 1 and 2 attract each other with a electrostatic force
algol13

Answer:

72.0 + 72.0 whatever you get for that answer

Explanation:

I don't know what else to put

5 0
2 years ago
Why would you not be able to hear a sound in space?
Sophie [7]
<span>For any sounds to reach your ear, it would need a medium (fluid, solid) to propagate.
(lol u def)</span>
6 0
3 years ago
Specific heat is the amount of heat required to raise the temperature of a material by 1°C per what unit?
nydimaria [60]

The heat required to raise the temperature of the unit mass of a given substance by a given amount (usually one degree).


or C. Mass if you're on plato

3 0
3 years ago
Read 2 more answers
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