GHUM 200—Great Works in the Western
Tradition
Quiz, Republic, Books V and VI:
1. True or
False: Socrates contends that there will be
no end to the troubles of humanity until philosophy and polit

Answer:

The quadratic function models the path of the rocket. When we substitute an x value, we can determine the height in feet of the rocket.

To determine the height it was launched from, we would look at the y-intercept. This represents the starting value, as time = 0 in this point (cannot have negative time).

To determine how far the rocket traveled, we would look at the positive x-intercept of the expression. At this point, height = 0, so we can see the distance from start to finish of the rocket.

To determine the greatest height achieve, we would look at the vertex of the parabola generated from the given function. Using (-b/a, f(-b/a)), we can determine the greatest height achieved.

Answer:

Zero

Explanation:

Answer:

See below

Explanation:

Total current will be   18 v/ 8 ohms +   18v / 24 ohms = 3 amps

Equivalent resistance   =   1 / (1/8 + 1/24) = 6 Ω

Answer:

The sound waves have larger wavelength than light waves. These are diffracted by the corner of wall and light waves cannot do so, due to their very small wavelength (as compared with size of wall corner). So, without seeing the friends his/her voice can be heard.

The sound wave has a longer wavelength as compared to light waves and due to diffraction the sound wave reaches your friend around a corner, but the light wave can't.

Sound is a mechanical disturbance that travels through an elastic medium and disrupts an equilibrium condition. It is also feasible to define sound solely subjectively, as that which is perceived by the ear.

Although this definition lacks clarity and is overly pedantic because it is necessary to discuss noises that cannot be heard by the human ear, such as those made by dog whistles or sonar devices.

Compared to light waves, sound waves have a longer wavelength. Since light waves have a very short wavelength, they cannot be diffracted by a corner of a wall (as compared with the size of wall corner). He or she can therefore be heard even when the friends are not seen.

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(i) Switch k1 is closed:

The current passing through the circuit is:  0.25 amps

R_total = R1 + R2 = 3 + 5 = 8 ohms

The current passing through the circuit is:

i = V / R_total = 2 / 8 = 0.25 amps

(ii) Switches k1 and k2 are closed:

The current passing through the circuit is: 1.07 amps

1/R_total = 1/R1 + 1/(R2 + R3) = 1/3 + 1/(5 + 0) = 8/15

R_total = 15/8 ohms

The current passing through the circuit is:

i = V / R_total = 2 / (15/8) = 1.07 amps

(iii) Switch k1 is open and k2 is closed:

The current passing through the circuit is: 1.07 amps

1/R_total = 1/R2 + 1/(R1 + R3) = 1/5 + 1/(3 + 0) = 1/5 + 1/3 = 8/15

R_total = 15/8 ohms

The current passing through the circuit is:

i = V / R_total = 2 / (15/8) = 1.07 amps

So the current passing through the circuit depends on which switches are closed, and can range from 0.25 amps to 1.07 amps.

What is current?

Crrent refers to the flow of electric charge through a conductor, such as a wire. It is measured in amperes (A) and is defined as the rate at which electric charge flows past a given point in a circuit. current is caused by the movement of charged particles, such as electrons or ions, through a conductor.

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Answer: 8v

Explanation:

The total voltage drop across the first and second resistor is 8 V, hence option A is correct.

Voltage is the fluctuation in electric potential between the two places. It is sometimes produced by electric pressure, electric tension, or voltage source. The work required to move a test charge between two places in a static electric field corresponds to this. The derived measure for voltage in the International System of Units is called a volt. Work per unit energy is expressed in SI units as joules per coulomb, with 1 volt equaling 1 joule per 1 coulomb.

To detect the voltages between two locations in a circuit, use a voltmeter. A common reference point, like the system's foundation, is frequently utilized as one of the points.

A voltage can indicate either a supply of energy or its loss, dissipation, or storage.

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In order to chill a 750mL bottle of champagne using a bucket of ice at 0 degrees Celsius, approximately 249 grams of ice must melt. The specific heat capacity of ice is approximately 2.09 J/g°C.

To determine the amount of ice that needs to melt, we can use the principles of thermodynamics. First, we need to calculate the heat lost by the champagne and the heat gained by the melting ice. The heat lost by the champagne can be calculated using the equation Q = mcΔT, where Q is the heat lost, m is the mass of the champagne, c is the specific heat capacity of champagne, and ΔT is the change in temperature. Similarly, the heat gained by the ice can be calculated using the same equation, where m is the mass of the ice and c is the specific heat capacity of ice.

Given that the initial temperature of the champagne is 25 degrees Celsius and the final temperature is 8 degrees Celsius, ΔT for the champagne is 25 - 8 = 17 degrees Celsius. The specific heat capacity of champagne is approximately the same as water, which is 4.18 J/g°C. Therefore, the heat lost by the champagne is Q = (750g)(4.18 J/g°C)(17°C) = 53,595 J.

Since the ice is at 0 degrees Celsius, ΔT for the ice is 0 - (-8) = 8 degrees Celsius. The specific heat capacity of ice is approximately 2.09 J/g°C. Therefore, the heat gained by the ice is equal to the heat lost by the champagne, which is 53,595 J. Using the equation Q = mcΔT and solving for the mass of ice (m), we can rearrange the equation to m = Q / (cΔT). Plugging in the values, we get m = 53,595 J / (2.09 J/g°C * 8°C) ≈ 249 grams.

Therefore, approximately 249 grams of ice must melt in order to chill the champagne from 25 degrees Celsius to 8 degrees Celsius in a bucket of ice at 0 degrees Celsius.

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Answer:

C and F

Explanation:

A break in one wire causes all current to stop.

If one bulb goes out, the others go out.

The disadvantages of series circuits:

A break in one wire causes all current to stop.

If one bulb goes out, the others go out.

In a series connection, the current is the same through each component regardless of what components are used or their values. The voltage drops across each component in the circuit are dependent upon the values of the components used in the circuit.

since , a series connection is an end to end connection and their are no branches in a series combination .

This is why , current never divide in a series connection , only voltage get divided , current in whole circuit remains same as the current across each device attached in the circuit .

correct options will be :

A break in one wire causes all current to stop.

since , their is no branching , if their occur any breakage the current in the whole circuit will stop

If one bulb goes out, the others go out.

As we know if  their occur any breakage in the circuit the  current in the whole circuit will stop, due to which current will not reach to the bulbs , hence other bulbs too go out and wont glow

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Answer:

The correct answer is "6.015×10⁴ J/K".

Explanation:

The given values are:

Mass of water,

= 10 kg

Latent heat of boiling,

= 2257 kJ

Constant temperature,

= 100°C

The entropy change will be:

= \(\frac{mass\times latent \ heat \ of \ boiling}{temperature}\)

On substituting the values, we get

= \(\frac{10\times 2257\times 1000}{(273+100)K}\)

= \(\frac{22,570,000}{373K}\)

= \(6.051\times 10^4 \ J/K\)

The centripetal acceleration of the rubber stopper is 0.34 N. The explanation is as follows.

An object’s position relative to the center of a circle is given by the position vector, r. As the object moves, the length of the vector remains constant, but the direction changes. Velocity is displacement over time. So, displacement would be Δr. Recall that average velocity is Δd/Δt, so for circular motion

Given,

m = 13g

T = ?

r = 0.93m

Calculations:

\(a=4\pi ^{2} r/T\)

\(a=4(3.14)^{2} (0.93m) / (1.18s)^2=26m/s^{2}\)

T= ma= (0.013kg) (26 m/\(s^{2}\))

T = 0.34 N

* Note for force in N, mass must be in kg.

If forces come in pairs, is there an “outwardforce” causing the stopper to stay out there at the end of the string? When a car turns left sharply, is there a force causing a passenger to move toward the door? NO! Newton’s first law says an object in motion continues… This outward motion is simply the inertia of the object and this “centrifugal force” is FICTITIOUS!

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Answer: Zero.

Explanation:

By the first Newton's law, we know that:

every object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the action of an external force.

Now, we know that the car is moving with constant speed, then there is no net force acting on the car, which means that the car is already in equilibrium.

Then if we add one force to the situation, the car will not be anymore in equilibrium.

The correct option is zero.

Answer: It is matter

Explanation:

Answer:

D

Explanation:

Trust me, I just did the test. :) :) :)

Explanation:

i think this is the answer

Using the formula for equilibrium, the distance from the platform support to the subject's COG is approximately 0.67 meters.

To calculate the distance from the platform support to the subject's COG, we can use the formula for equilibrium:

Sum of torques = 0

Let x be the distance from the platform support to the subject's COG. The torque due to RF2 is RF2 * 1, and the torque due to the subject's weight (wt) is wt * x.

RF2 * 1 - wt * x = 0

Substitute the given values:

400N * 1 - 600N * x = 0

Now, solve for x:

400N = 600N * x

x = 400N / 600N

x = 2/3 m or approximately 0.67 m

So, the distance from the platform support to the subject's COG is approximately 0.67 meters.

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In a hyperbolic geometry or unbounded universe, two initially parallel flashlight beams will gradually diverge from each other as they traverse billions of light years of space.

In a hyperbolic geometry or unbounded universe, the spatial curvature is negative. This means that the geometry of space is such that parallel lines will gradually diverge from each other as they extend further.

When two flashlight beams are initially parallel and they traverse billions of light years of space in a hyperbolic geometry, the negative curvature of space causes the beams to gradually separate from each other. This divergence occurs because the geometry of space itself causes the paths of the beams to curve away from each other.

As the flashlight beams travel through space, the negative curvature causes the paths of the beams to follow hyperbolic trajectories, resulting in an increasing separation between the beams. The exact rate of divergence will depend on the specific curvature of space and the distance traveled.

Therefore, in a hyperbolic geometry or unbounded universe, two initially parallel flashlight beams will gradually diverge from each other as they traverse billions of light years of space due to the negative curvature of space.

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Answer:

1.56 m

Explanation:

First, we need to find the current in the wire, so we will use the following equation:

Where V is the voltage, R is the resistance and I is the current. Replacing the values and solving for I, we get:

So, the current is 0.17 A.

Now, the magnetic field generated by a wire with current I at a distance r is equal to:

Where μ is 4π x 10^(-7). So, replacing the values and solving for r, we get:

Therefore, the distance is 1.56 m

Answer:

Fahrenheit

Explanation:

a. For DFA M1, the start state is q0.

b. For DFA M1, the set of accept states is {q1}.

c. For input "aabb", the sequence of states that DFA M1 goes through is: q0 -> q1 -> q1 -> q1 -> q1.

d. Yes, DFA M1 accepts the string "aabb" because it ends in an accept state (q1).

e. No, DFA M1 does not accept the string "?" because there is no transition defined for the "?" input symbol in the given state diagram.

a. Start state: In DFA M1, the start state is q0. In DFA M2, the start state is q1.

b. Set of accept states: For DFA M1, the set of accept states is {q1}. In DFA M2, the set of accept states is {q2, q3}.

c. Sequence of states on input aabb:

- For DFA M1: q0 → q0 → q0 → q1 → q1

- For DFA M2: q1 → q1 → q3 → q3 → q2

d. -For DFA M1: Yes, the machine accepts the string aabb since it ends in an accept state (q1).

- For DFA M2: No, the machine does not accept the string aabb since it does not end in an accept state.

e.  For both DFA M1 and M2: No, the machine does not accept the string since there is no defined transition for the input  in either DFA, resulting in a non-accepting state.

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Large planets orbiting close to their stars produce the largest brightness variations when they transit, and so are easiest to detect, the given statement is true because when a larger planet passes in front of its star, it blocks more of the star's light, leading to a greater decrease in the star's apparent brightness.

Consequently, these transits are easier to detect as they create more significant changes in the observed light curve. Smaller planets, on the other hand, block less light, making their transits more challenging to identify. Additionally, planets that orbit close to their stars have shorter orbital periods, meaning they transit more frequently. This makes it easier for astronomers to confirm the existence of these planets through repeated observations.

In contrast, planets with longer orbital periods require more extended observation times, which can be more difficult and time-consuming to obtain. In summary, it is true that large planets orbiting close to their stars produce the largest brightness variations when they transit, making them the easiest to detect in comparison to smaller planets or those with longer orbital periods.

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Answer:

Mass = 0.04 Kg

Explanation:

Given the following data;

Density = 800 kg/m³

Volume = 5 * 10^{-5} m³

To find the mass of the object;

Density can be defined as mass all over the volume of an object.

Simply stated, density is mass per unit volume of an object.

Mathematically, density is given by the formula;

\( Density = \frac {mass}{volume} \)

Making mass the subject of formula, we have;

\( Mass = density * volume \)

Substituting the values into the formula, we have;

\( Mass = 800 * 5 * 10^{-5} \)

Mass = 0.04 Kg

Answer: A

Explanation:

the acceleration is constant and gravity causes the ball to fall downwards.

hope this helps

Sorry no idea..... I feel bad but still

Answer:

Velocity of the moving objects with respect to other moving or stationary object is called “relative velocity” and this motion is called “relative motion”.

Explanation:

For example, you are in a bus and it goes with the velocity of 50 m/s to the east, then a truck passes you with a velocity of 60m/s to the east.

The resulting average force on the helicopter is approximately 198,763 N.

To find the resulting average force on the helicopter, we need to consider the momentum change caused by the fired shells.

The momentum change can be calculated using the formula: Δp = m * Δv, where Δp is the change in momentum, m is the mass of the shells, and Δv is the change in velocity.

The mass of each shell is given as 187 g, which is equivalent to 0.187 kg. The change in velocity is the difference between the muzzle speed of 985 m/s and the final velocity, which is zero since the shells are fired in the forward direction.

The change in momentum for each shell is Δp = (0.187 kg) * (985 m/s - 0 m/s) = 184.295 kg·m/s.

The total change in momentum for the burst of 109 shells is then Δp_total = (109 shells) * (184.295 kg·m/s) = 20,083.155 kg·m/s.

According to Newton's third law of motion, for every action, there is an equal and opposite reaction. Thus, the momentum change of the shells results in an equal and opposite momentum change for the helicopter.

The mass of the fully loaded helicopter is given as 2640 kg, so the change in velocity for the helicopter can be calculated as Δv_helicopter = Δp_total / m_helicopter = 20,083.155 kg·m/s / 2640 kg = 7.61 m/s.

Using the formula F = Δp / Δt, where F is the force, Δp is the momentum change, and Δt is the time interval, we can calculate the average force on the helicopter.

The time interval is given as 3.78 s, so the average force is F = 20,083.155 kg·m/s / 3.78 s = 5,303.97 N.

However, this force is the force exerted by the shells on the helicopter. To find the resulting average force on the helicopter itself, we need to consider the mass of the helicopter and the acceleration due to the change in velocity.

The resulting average force on the helicopter is then F_resultant = m_helicopter * Δv_helicopter / Δt = 2640 kg * 7.61 m/s / 3.78 s ≈ 198,763 N.

Therefore, the resulting average force on the helicopter is approximately 198,763 Newtons.

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Newton's law of universal gravitation doesn't say anything about the cause of gravity.

Einstein's theory of relativity does.

Answer:

1. A body is said to be at rest if its position does not change with respect to its surroundings.

The speed v(c) of the center of mass of the system after the pod is launched is equal to v(f).

Mass of the pod, m₁ = m

Mass of the spaceship, m₂ = 6m

The conservation of momentum principle states that, within a given domain, the amount of momentum is constant such that, momentum is never created nor destroyed, but only modified by the application of forces.

So, according to the conservation of momentum, the momentum before launch and before launch must be equal. Therefore, the speed of the center of mass of the system becomes equal to the speed with which the spaceship is moving towards the right.

Therefore,

v(c) = v(f)

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