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irakobra [83]
3 years ago
5

After data are collected they are often arranged in a

Physics
1 answer:
Jobisdone [24]3 years ago
6 0

They are often arranged in a bar graph


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SAMPLE C

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The heating curve of an ice-water mixture that is slowly heated to 125°C contains three sloped and two level portions. What do t
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Explanation:

Hi there,

To get started, please recall what heating curves are, latent heat, and enthalpy of phase changes (vaporization, fusion).

In a heating curve for ice water, temperature is the dependent variable (y-axis) and heat or time elapsed is independent variable (x-axis). There are three sloped portions. These sloped portions are showing where the <u>mixture is not changing phase, and is in a specific phase.</u> (solid first, then liquid then gas).

The reason is because the addition of more heat in time is causing the temperature to rise, so the mixture is getting "hotter." The temperature is still rising, yet the mixture is still in the current phase (depending on where you are referencing on the curve).

The two leveled portions are the process of melting (first leveled) and boiling (second leveled). The reason they are horizontal is because the addition of heat is not causing temperature to go up. The molecules are in the process of distributing heat in a different form by changing the mixtures entire structure (AKA phase), and so they are flat because the average kinetic energy from heat is being used change phase.

If you liked this solution, hit Thanks or leave a Rating!

thanks,

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Three people are pushing a 500 kg of box in the same direction. applied forces are 30 n, 20 n, and 10 n respectively. if the acc
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The total force applied by the three people is:
F=30 N+20 N+10 N=60 N
This force is pushing toward the direction of the motion, while the  frictional force F_f points in the opposite direction.
We can write Newton's second law applied to the block: the resultant of the two forces must be equal to the product between the block's mass and its acceleration
F-F_f = ma
We know the mass of the block, m=500 kg, and the acceleration, a=0.02 m/s^2, so we can find the friction:
F_f = F-ma=60 N - (500 kg)(0.02 m/s^2)=50 N
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What properties of sound determine the volume of sound? Is this affected by the motion of the sound source?
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The property of sound that determine its volume is its AMPLITUDE. The amplitude and the volume of the sound are directly varied. Which means that the larger the amplitude, the larger is the volume and the softer it is if the amplitude is smaller. It is not affected by the motion of the sound source so long as the barriers are not breached. 
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When was the first airplane made?
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The first ariplanr was made December 17, 1903
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