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Deffense [45]
3 years ago
7

Omparing Technological Design and Scientific Investigation

Physics
1 answer:
djyliett [7]3 years ago
6 0

Answer:

杰恩斯克克斯克奇沃伊斯克克斯克什德布德克什恩克恩德恩克恩茨克杰兹姆克斯恩斯姆斯姆德恩德姆德武伊乔奥斯克斯杰德布德赫德夫赫富伊什杰吉迪赫德赫夫赫德

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Which of the following states that absolute zero cannot be reached?
olganol [36]
The second and third laws of thermodynamics states that absolute zero cannot be reached. The correct option among all the options that are given in the question is the third option or option "C". Both the laws actually deal with the relations that exist between heat and other forms of energy. I hope the answer helps you.
4 0
3 years ago
Read 2 more answers
The power output of a laser is measured by its wattage, the number of joules of energy it radiates per second (1 W = 1 J s-1). A
viva [34]

Explanation:

It is given that,

Wavelength of red light, \lambda=676.4\ nm=676.4\times 10^{-9}\ m

Power of the laser, P=300\ mW=0.3\ W

(a) The energy carried by each photon is given by :

E=\dfrac{hc}{\lambda}

E=\dfrac{6.63\times 10^{-34}\times 3\times 10^8}{676.4\times 10^{-9}}  

E=2.94\times 10^{-19}\ J

(b) Let n is the number of photons emitted by the laser per second. It can be calculated as :

n=\dfrac{Power}{Energy\ of\ one\ photon}

n=\dfrac{0.3}{2.94\times 10^{-19}}      

n=1.02\times 10^{18}\ photon/s

Hence, this is the required solution.    

7 0
3 years ago
Suppose that three balls are rolled simulta- neously from the top of a hill along the slopes as shown below. 1. THITH 3 Which on
BigorU [14]

Answer:

Well depending on the ramp's texture or shape  probably the second one

Explanation:

3 0
3 years ago
Which of the following is occurring while a satellite is in orbit around Earth? O It is continuously pulling away from Earth It
hoa [83]

AnswerIt is continuously falling towards the surface of the earth

Explanation:

since gravity from earth is the thing that keeps it constantly in orbit

4 0
3 years ago
a force of 20 n is directed at an angle of 609 above the x-avis. a second force of 20 n is directed at an angle of 60 below the
rosijanka [135]

20 N , in +x direction is the vector sum of these Toro forces.

<h3>What is force?</h3>
  • The word "force" has a specific meaning in science.
  • At this level, calling a force a push or a pull is entirely appropriate.
  • A force is not something an object "has in it" or that it "contains."
  • One thing experiences a force from another.
  • There are both living things and non-living objects in the concept of a force.
  • Force is used to describe a body's tendency to modify or change its state as a result of an external cause.
  • When force is applied, the body can also alter its size, shape, and direction. kicking a ball, pushing and pulling on the door, or kneading dough are a few examples.
  • The newton, abbreviated N, is the SI unit of force.

To learn more about forces from the given link :

brainly.com/question/28021338

#SPJ4

7 0
2 years ago
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