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Reptile [31]
3 years ago
8

Phase Change Diagram Question:

Physics
1 answer:
antoniya [11.8K]3 years ago
8 0
Answer: I worked at the pizza place in Chucky cheese since i was little. I grew up and became manager. Then i sabotaged everyone there. I’m gonna cry right now . miss that job so much. I think I might….
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A wave traveling in the positive x-direction with a frequency of 50.0 Hz is shown in the figure below. Find the following values
Klio2033 [76]

Answer:

Explanation:

a. The amplitude is the measure of the height of the wave from the midline to the top of the wave or the midline to the bottom of the wave (called crests). The midline then divides the whole height in half. Thus, the amplitude of this wave is 9.0 cm.

b. Wavelength is measured from the highest point of one wave to the highest point of the next wave (or from the lowest point of one wave to the lowest point of the next wave, since they are the same). The wavelength of this wave then is 20.0 cm. or \lambda=20.0cm

c. The period, or T, of a wave is found in the equation

f=\frac{1}{T} were f is the frequency of the wave. We were given the frequency, so we plug that in and solve for T:

50.0=\frac{1}{T} so

T=\frac{1}{50.0} and

T = .0200 seconds to the correct number of sig fig's (50.0 has 3 sig fig's in it)

d. The speed of the wave is found in the equation

f=\frac{v}{\lambda} and since we already have the frequency and we solved for the wavelength already, filling in:

50.0=\frac{v}{20.0} and

v = 50.0(20.0) so

v = 1.00 × 10³ m/s

And there you go!

5 0
3 years ago
Which shows the correct angle of reflection given the incident ray shown? <br>​
kipiarov [429]

\mathfrak{\huge{\pink{\underline{\underline{AnSwEr:-}}}}}

Actually Welcome to the Concept of the Rays of light.

Since we know that, The light ray on a shiny surface makes a angle with the normal, hence The Angle of incidence is equal to angle of reflection made with Normal Axis in the middle.

Thus Option c.) is correct.

C.) is the Answer.

5 0
3 years ago
3) Using the rating of perceived exertion scale that we
Schach [20]

Answer:

What do you mean

Explanation:

7 0
3 years ago
Differences between single &amp; double displacement reaction​
Rus_ich [418]
<h2>Answer:</h2><h2>Single : A chemical reaction in which one element is replaced by another in a compound. </h2><h2>Double,:A chemical reaction involving the exchange of bonds between two non - reacting chemical species which results in the creation of products with similar bonding affiliations.</h2>

3 0
3 years ago
Explain the topic of velocity
ElenaW [278]

Answer:

V = x/t

where:

x = distance [m]

t = time [s]

V = velocity [m/s]

Explanation:

Speed is defined as the distance travelled by a body in a given time interval. The velocity or speed is a vector, that is, it has magnitude and direction.

By virtue of its vector character, the direction of the displacement and the module, which is called speed, must be considered to define the velocity.

<u>Average speed</u>

The average speed is defined as the change of position over a given time interval. It is calculated by dividing the displacement vector (Δx) between the time interval (Δt) used.

<u>Instant speed</u>

Instantaneous velocity is a vector tangent to the trajectory, corresponding to the derivative of the vector position relative to time.

It allows to know the speed of a mobile that moves on a trajectory when the interval of time is infinitely small, being then the space traveled also very small, representing a point of the trajectory. Instant velocity is always tangent to the trajectory.

8 0
4 years ago
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