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mrs_skeptik [129]
4 years ago
7

When you snap your wrist open, the frisbee:

Physics
2 answers:
k0ka [10]4 years ago
7 0
The answer is C) spins
LenaWriter [7]4 years ago
5 0
<h2>Answer:</h2><h2>C. Spins.</h2>

Explanation:

Spin is the action that a frisbee can do once you snap your wrist open. Also, because round objects like that spins.

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The low-frequency speaker of a stereo set has a surface area of and produces 1W of acoustical power. What is the intensity at th
AlekseyPX

Answer:

      I =  \frac{1}{4\pi \ r^2}

we see the intensity decreases with the inverse of the distance squared

Explanation:

Intensity is defined as power per unit area,

           I = P / A

in this case we have that the sound is emitted in a spherical form therefore the area is

           A = 4 pi r2

therefore the intensity is

          I =  \frac{1}{4\pi \ r^2}

as we see the intensity decreases with the inverse of the distance squared

5 0
3 years ago
A circuit that has only a single path for current to flow through is best classified into which category?
elena55 [62]
It's called a series circuit
7 0
3 years ago
Read 2 more answers
13. What type of lens bends light outwards and away from a point?<br> concave
mezya [45]

Answer:

No,it isn't concave. The correct answer is convex lens.

Explanation:

<em>A lens is a piece of transparent material bound by two surfaces of which at least one is curved. A lens bound by two spherical surfaces bulging outwards is called a bi-convex lens or simply a convex lens. A single piece of glass that curves outward and converges the light incident on it is also called a convex lens.</em>

7 0
3 years ago
Read 2 more answers
Coquina is a sedimentary rock you looked at in the lab that consists of tiny chunks of sea shells all stuck together by other mi
HACTEHA [7]

Coquina rock is deposited on the water bodies of the Earth's surface and oceans.

<u>Explanation:</u>

Coquina is nothing but a type of sedimentary rock generally limestone that is formed by the chunks of shells, trilobites, brachiopods, or other invertebrates.

Coquina is deposited on the oceans and water bodies of the Earth's surface. Coquina looks like a soft white rock; therefore it can be used in construction of buildings.

8 0
4 years ago
Two coherent sources of radio waves, A and B, are 5.00 meters apart. Each source emits waves with wavelength 6.00 meters. Consid
Korolek [52]

Answer:

a

    z= 2.5 \ m

b

   z =  (1 \ m ,  4 \ m )

Explanation:

From the question we are told that

     Their distance apart is  d =  5.00 \ m

      The  wavelength of each source wave \lambda =  6.0 \ m

Let the distance from source A  where the construct interference occurred be z

Generally the path difference for constructive interference is

              z - (d-z) =  m \lambda

Now given that we are considering just the straight line (i.e  points along the line connecting the two sources ) then the order of the maxima m =  0

  so

        z - (5-z) =  0

=>     2 z - 5 =  0

=>     z= 2.5 \ m

Generally the path difference for destructive  interference is

           |z-(d-z)| = (2m + 1)\frac{\lambda}{2}

=>         |2z - d |= (0 + 1)\frac{\lambda}{2}

=>        |2z - d| =\frac{\lambda}{2}

substituting values

          |2z - 5| =\frac{6}{2}

=>      z  =  \frac{5 \pm 3}{2}

So  

      z =  \frac{5 + 3}{2}

      z =  4\ m

and

      z =  \frac{ 5 -3 }{2}

=>   z =  1 \ m

=>    z =  (1 \ m ,  4 \ m )

7 0
3 years ago
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