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Andrews [41]
3 years ago
5

Complete this sentence. The solubility of a sample will ____________ when the size of the sample increases.

Physics
1 answer:
Murljashka [212]3 years ago
6 0
The correct answer is B.
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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>

5 0
3 years ago
If the mass of a planet is 0.231 mE and its radius is 0.528 rE, estimate the gravitational field g at the surface of the planet.
crimeas [40]

Answer:

8.1 m/s^2

Explanation:

The strength of the gravitational field at the surface of a planet is given by

g=\frac{GM}{R^2} (1)

where

G is the gravitational constant

M is the mass of the planet

R is the radius of the planet

For the Earth:

g_E = \frac{GM_E}{R_E^2}=9.8 m/s^2

For the unknown planet,

M_X = 0.231 M_E\\R_X = 0.528 R_E

Substituting into the eq.(1), we find the gravitational acceleration of planet X relative to that of the Earth:

g_X = \frac{GM_X}{R_X^2}=\frac{G(0.231M_E)}{(0.528R_E)^2}=\frac{0.231}{0.528^2}(\frac{GM_E}{R_E^2})=0.829 g_E

And substituting g = 9.8 m/s^2,

g_X = 0.829(9.8)=8.1 m/s^2

3 0
3 years ago
During the motion of the slinky in a transverse wave, what do the particles of the slinky coil do?
Mazyrski [523]

Answer:

C.) The slinky particles move up and down

Explanation:

<u>Transverse Wave</u>-

<em>A wave that has a disturbance perpendicular to the wave motion</em>

<em></em>

<em>Hello! This is the correct answer! Have a blessed day! :)</em>

<em>If you are in K12, please review the lesson! :)  It will give you some very helpful definitions!  I hope this helped!</em>

<u />

5 0
3 years ago
Your ear is capable of differentiating sounds that arrive at each ear just 0.34 ms apart, which is useful in determining where l
goblinko [34]

Answer:

Δt = 5.29 x 10⁻⁴ s = 0.529 ms

Explanation:

The simple formula of the distance covered in uniform motion can be used to find the interval between when the sound arrives at the right ear and the sound arrives at the left ear.

\Delta s = v\Delta t\\\\\Delta t = \frac{\Delta s}{v}

where,

Δt = required time interval = ?

Δs = distance between ears = 18 cm = 0.18 m

v = speed of sound = 340 m/s

Therefore,

\Delta t = \frac{0.18\ m}{340\ m/s}

<u>Δt = 5.29 x 10⁻⁴ s = 0.529 ms</u>

4 0
3 years ago
A piece of solid copper, at 10oC, is dropped into a graduated cylinder of 100°C water. Which statement BEST describes the change
enot [183]

Answer:

D

Explanation:

just took the test

6 0
3 years ago
Read 2 more answers
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