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Zolol [24]
3 years ago
11

An outside thermometer reads 57 F. What is this temperature in C ? Round you’re answer to the nearest whole number

Physics
2 answers:
ElenaW [278]3 years ago
5 0
It’d be 13.9*c, but if you’re rounding it’s 14*c
Marianna [84]3 years ago
4 0

14 degrees celsius hope this helps

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You redo the primitive yo yo experiment (Figure 1), but instead of holding the free end of the string stationary, you move your
zhannawk [14.2K]

The vertical acceleration of the yo yo cent  of mass is 0.66 m/s².

We know that, T = M*a

And T is given as 2M/3

2M/3 = M*a

So, a = 0.66 m/s²

What is Acceleration ?

Acceleration is the general term for any process where the velocity changes. There are only two ways to accelerate either by increasing the speed or decreasing direction, or both. The reason for this is that velocity includes both a speed and a direction.

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When it lands, the jet will accelerate as it slows down and quickly come to a stop.

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1 year ago
Ice cubes,icicles,snowflakes, and glaciers are water in..
IRISSAK [1]
Those are in a solid state.
8 0
3 years ago
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What is the period that corresponds to a<br> frequency of 39.5 Hz?<br> Answer in units of s.
tatiyna

The answer for the following problem is mentioned below.

  • <u><em>Therefore the time period is 0.02 seconds.</em></u>

Explanation:

Frequency:

The number of waves that pass a fixed place in a given amount of time. (or)

The number of waves that pas by per second.

The SI unit of the frequency is Hertz(Hz).

Time period:

The time taken for one complete cycle of vibration to pass a given point.

The SI unit of time period is seconds. (s)

Given:

Frequency (f) = 39.5 Hz

To calculate:

Time period (T)

We know;

According to the problem;

From the problem;

<u>f = </u>\frac{1}{T}<u></u>

Where;

f represents the frequency

T represents the time period

 f = \frac{1}{39.5}

 f = 0.02 seconds

<u><em>Therefore the time period is 0.02 seconds.</em></u>

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3 years ago
How is wave movement affected by the various mediums it may travel through?
Juliette [100K]

Answer:

speed is affected by the medium in wich the wave travels.

Explanation:

The speed of a wave is affected when traveling in different medium, depending on the medium in which the wave travels it can go faster or slower, or not even be able to travel in that medium.

For light waves, the denser the medium through which the wave travels, the slower it will go through it, as there is more resistance to the light particles.

And in waves like sound, which instead of particles is a vibration or disturbance in the medium, they travel faster in denser mediums such as metal, because the disturbance is transmitted more efficiently thanks to how close together that the particles are in the metal, This is why sound does not travel in a vacuum; there are not even particles to transmit the vibration.

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3 years ago
What causes a hypothesis to be rejected?
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If the statistical analysis shows that the significance level is below the cut off value they have set (either 0.05 or 0.01) they reject the null hypothesis and accept the alternative hypothesis
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