A coin of mass 3.68 grams is placed on a record turning at 33 1/3 rpm (revolutions per minute = angular frequency). What is the period of the record? Include units in your answer. Answer must be in 3 significant digits.

The picture shown in the figure represents the Milky Way Galaxy. The Galaxy in which the entire solar system is present.

The million and trillion of stars in the universe form Galaxy. The galaxy in which the entire solar system is present is called Milky Way Galaxy. The Milky Way Galaxy is spiral in shape. This Galaxy has four major arms. The major arms have both old and young stars and the minor arms have the gas and star formation activity. This galaxy also has a black hole at its center. Galileo Galilei was the first to see the Galaxy.

The Milky Way Galaxy is made up of a dense cloud of gas that stretches across the sky as seen from the Earth. The age of the Milky Way Galaxy is 13.61 billion years ago and the Andromeda Galaxy is the nearest galaxy to the Milky Way Galaxy.

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Answer:

B- just took the quiz

Explanation:

Answer:

B - Plasma can have lots of space between its particles, so it naturally expands and compresses.

Explanation:

The two balls have the same acceleration because they are in free fall.

The two balls projected downwards from the top of the build are influenced by gravity. Both ball experience free fall due to gravity.

The equation of motion of the two ball is given as;

v² = u² + 2gh

where;

Thus, we can conclude that the two balls have the same acceleration because they are in free fall.

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Answer:

The three main/basic parts of the cell are:

Cell Membrane (Plasma Membrane)

Cytoplasm

Nucleus

Explanation:

Ans    4 more to be exact

Explanation:

Given values are:

Spring constant,

and,

The force will be:

→ \(F = kx\)

By substituting the values, we get

      \(= 40\times 10\)

      \(= 400 \ N\)

Thus the above answer is right.

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The magnitude of the resultant vector to round the answer to the nearest tenth, we look at the digit in the hundredth's place. If this digit is 5 or greater, we round up. If it is less than 5, we round down.

In the study of physics, we use vectors to represent quantities that have both direction and magnitude. It is often the case that we want to add two or more vectors together to obtain a single vector that represents the net result of these additions. The process of adding two or more vectors together is known as vector addition.The magnitude of the resultant vector is the length of the line that represents it on a scale drawing.

When we add two or more vectors together, the resultant vector is the vector that represents the net result of these additions. To find the magnitude of the resultant vector, we use the Pythagorean theorem, which states that the square of the hypotenuse of a right triangle is equal to the sum of the squares of the other two sides.

In the case of vector addition, the hypotenuse is the resultant vector, and the other two sides are the component vectors. If we have two vectors a and b, the magnitude of the resultant vector is given by the following equation:|R| = √(ax2 + bx2)where R is the resultant vector, a and b are the component vectors, and x is the angle between the vectors.

For example, if the answer is 12.345, we would round it to 12.3.

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Answer:

Explanation:

Reverse the second equation, and change the sign of the enthalpy

Answer:

20000

Explanation:

Speed = Wavelength x Wave Frequency. In this equation, wavelength is measured in meters and frequency is measured in hertz (Hz), or number of waves per second. Therefore, wave speed is given in meters per second, which is the SI unit for speed.

Answer: 0

Explanation: Work is force times displacement so although you're exerting a force on the chair since your not moving there is no displacement and anything times a value of zero is zero

Answer:

131.2 kg, to have the same precision as 58.2 kg

Explanation:

(a) The molar heat capacity at pressure is 29.1 J/K.mol.

(b) The molar heat capacity at volume is 20.785 J/K.mol.

Molar heat capacity of a gas at constant volume is defined as the quantity of heat required to raise the temperature of one mole of the gas by 1 degree Kelvin when its volume is constant.

Cv = R/(γ - 1)

where;

Cv = (8.314) / (1.4 - 1)

Cv = 20.785 J/K.mol

Molar heat capacity of a gas at constant volume is defined as the quantity of heat required to raise the temperature of one mole of the gas by 1 degree Kelvin when its pressure is constant.

γ = Cp/Cv

Cp = γCv

Cp = 1.4 x 20.785

Cp = 29.1 J/K.mol

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When a Cellulose Acetate rod is rubbed with a woolen duster, friction occurs, rubbing loosely held electrons from the rod onto the duster. So, this time, the rod loses electrons. Since the Acetate rod now has fewer electrons than protons it has become positively charged. Hope this helps!

Answer:

The charge becomes positive.

Explanation:

When rubbed with cellulose acetate the charge of the fur/wool will become negative.

Explanation:

how can I help you that?

Answer is in the photo. I can't attach it here, but I uploaded it to a file hosting. link below! Good Luck!

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Answer:

1-1=0

Explanation:

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The correct definition of a light year is the distance light travels in a year.

Light year is one of the largest unit of length or distance. One light year is equivalent to the distance or length traveled by light in one year.

One light year = velocity of light × one year.

= 3×\(10^{8}\) m/s  × 365 days.

=3×\(10^{8}\)  m/s  × (365 × 24 × 60 × 60 ×60) s.

= 3×\(10^{8}\)  m/s × (365 × 86400) s.

= 9.461×\(10^{15}\) m.

So, the distance covered by light in one year, that is, 9.461×\(10^{15}\) m is equal to one light year.

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At the given erro in angle, the error in the measurement of sin 90 degrees would be 0.001.

The percentage error of any measurement is obtained from the ratio of the error to the actual measurement.

The error of sin 90 degrees is calculated as follows;

sin 90 = 1

error in measurement = sin(90 - 0.5)

error in measurement = sin(89.5) = 0.999

Error in sin 90 degrees = 1 - 0.999

Error in sin 90 degrees = 0.001

Thus, at the given erro in angle, the error in sin 90 degrees would be 0.001.

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Answer:

The answer is D.

Freezing, deposition, and condensation are the changes of state she should place in the column titled "Lose Energy".

The phase transition of a substance from a liquid state to a solid state is referred to as freezing. This occurrence is known as a phase transition, which occurs when a substance changes from one state of matter to another.

Deposition is the act of depositing sediment that has been carried by the wind, water, sea, or ice. Pebbles, sand, mud, and salts that have been dissolved in water can all be used to convey sediment. Salts may later be deposited by evaporation or organic activity (such as seashells).

The transformation of airborne water vapor into liquid water is known as condensation. Because it causes clouds to form, condensation is essential to the water cycle.

We can see that in these three cases atoms loses energy and come back to stable state.  In freezing, liquid atoms losses energy and becomes solid. In deposition, sediments losses energy and in condensation, water vapor losses energy.

So, in the column titled "Lose Energy", she should  place freezing, deposition, and condensation.

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(a) The time spent by the player in the top of 10 cm of this jump is 0.14 second.

(b) The time spent by the player in the bottom 10 cm of this jump is 0.38 second.

(c) The result shows that the player spends more time during ascent and decent because of greater distance.

The time taken for the player to jump 80 cm and back to ground is calculated as follows;

t = 2 ( √ ( 2h / g ) )

where;

t = 2 ( √ ( 2 x 0.8 / 9.8 ) )

t = 0.4 s

t = 0.8 second

The time spent by the player in 10 cm jump is calculated as follows;

t =  √ ( 2h / g )

t = √ ( 2  x 0.1 / 9.8 )

t = 0.14 s

From 10 cm at the bottom, the player has travelled 70 cm, and the time of motion of this player is calculated as follows;

t = √ ( 2 x 0.7 / 9.8 )

t = 0.38 second

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Answer:

If a player is fouled while shooting a three-point shot and makes it anyway, he is awarded one free throw. Thus, he could score four points on the play. Inbounds- If fouled while not shooting, the ball is given to the team the foul was committed upon.

Answer:

Separation of the Earth into layers (crust, mantle, inner core, and outer core) was largely caused by gravitational differentiation (separating different constituents at temperature where materials are liquid or plastic, owing to differences in density) early in Earth's history.

Explanation:

hoped it helped!!

The electronic circuit in the ground fault interrupter open the circuit when it detects the current caused by the extra path. By opening the circuit , the injuries are prevented due to the current produced by the extra path. Thus, ground fault interrupters are used to prevent the injuries by the electric shock.

Hence, the given statement is true.

Answer:

I haven't done physics for a while, but with the information given I don't understand how D could be correct, so I think D is your anwser

Explanation:

The electric field between the two charged plates is 5.0 x 10^25 N/C.

The force on the electron is given by the equation:

F = q * E

where F is the force, q is the charge of the electron, and E is the electric field.

Rearranging this equation to solve for E, we get:

E = F / q

Plugging in the values given in the problem, we get:

E = (8.0 x 10^6 N) / (1.6 x 10^-19 C)

Simplifying this expression, we get:

E = 5.0 x 10^25 N/C

Therefore, the electric field between the two charged plates is 5.0 x 10^25 N/C.

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Answer:

\(d = 60(km. {hr}^{ - 1} ) \times 6(hr) = 360km = 36 \times {10}^{4} m\)

\(false\)

Hope it helps you

i) The slope of the line (m) would be ln(a), and the intercept (c) would be 0.

ii)  The slope and intercept obtained from the linearized equations provide valuable information about the relationship between the variables involved.

To linearize the given equations, we need to rewrite them in a linear form. Let's work through each equation:

(i) Y = aX¹

To linearize this equation, we can take the natural logarithm (ln) of both sides:

ln(Y) = ln(aX¹)

Using the logarithmic property, we can simplify it as:

ln(Y) = ln(a) + ln(X¹)

Now, we can introduce a new variable, let's say ln(Y), and rewrite the equation as:

ln(Y) = ln(a) + X¹ln(X)

Now, we have a linear equation in the form Y' = mX' + c, where Y' = ln(Y), X' = ln(X), m = ln(a), and c = 0. In this linearized form, Y' would be plotted on the y-axis, and X' would be plotted on the x-axis. The slope of the line (m) would be ln(a), and the intercept (c) would be 0.

(ii) C = aT + BT²

To linearize this equation, we can introduce a new variable, let's say Z, defined as Z = C/T. Now, we can rewrite the equation as:

Z = a + BT

Now, we have a linear equation in the form Z = mT + c, where Z = C/T, m = B, and c = a. In this linearized form, Z would be plotted on the y-axis, and T would be plotted on the x-axis. The slope of the line (m) would be B, and the intercept (c) would be a.

By linearizing the equations, we can transform the nonlinear relationships into linear relationships, which allows for easier analysis and interpretation of the data. The slope and intercept obtained from the linearized equations provide valuable information about the relationship between the variables involved.

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Answer:

friction

Explanation: The resistance that one surface or object encounters when moving over another.

Greek terms psyche, which means "soul" or "mind," and logos, which means "the study of," are combined to form the english word psychology. The assertion is true.

Psychology is the name given to the scientific study of the mind and behavior. Psychologists are actively interested in researching and comprehending how the mind, the brain, and behavior work.

Psychology is a combination of the Greek words psyche, which means “soul” or “mind,” and logos, which means “the study of.”The given statement is corect.

Hence the best answer from the choices provided will be true.

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Answer:

50000 N

Explanation:

From the question given above, the following data were obtained:

Mass (m) of bullet = 0.050 kg

velocity (v) = 400 m/s

Distance (s) = 0.080 m

Force (F) =?

Next, we shall determine the acceleration of the bullet. This can be obtained as follow:

Initial velocity (u) = 0 m/s

Final velocity (v) = 400 m/s

Distance (s) = 0.080 m

Acceleration (a) =?

v² = u² + 2as

400² = 0 + (2 × a × 0.08)

160000 = 0 + 0.16a

160000 = 0.16a

Divide both side by 0.16

a = 160000 / 0.16

a = 1×10⁶ m/s²

Finally, we shall determine the force exerted by the bullet on the target. This can be obtained as follow:

Mass (m) of bullet = 0.050 kg

Acceleration (a) of bullet = 1×10⁶ m/s²

Force (F) =?

F = ma

F = 0.050 × 1×10⁶

F = 50000 N

Thus, the bullet exerted a force of 50000 N on the target.