if a subject is moving from right to left in shot one, what is an acceptable camera placement for shot two if the subject is in the same space and moment in time?

Answer:

Voltage and current sources are two different sorts of sources that may be found in an electrical network. A voltage source has an emf forcing function, whereas a current source has a current forcing function.

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A fresh planet is found to be revolving around a solitary star. The world has a single moon. The star is located at one of the elliptical orbit's foci.

The "giant impact theory" is the accepted explanation for how the moon arose. According to this theory, the moon was created when the earth and another huge object crashed. Along with scientific motivations, political motivations also led to the start of the Moon exploration program. According to this theory, the Moon was created after the Earth collided with a smaller planet that was around Mars' size. The Moon was created when the impact's leftover debris gathered in an orbit around Earth.

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In a circuit with two resistors, the equivalent resistance is smallest when the resistors are connected in parallel.

In a parallel circuit, the total resistance is smaller than the smallest individual resistor because the current is divided among the resistors. Each resistor in the circuit has its own current, and the total current is equal to the sum of the individual currents. This means that the total resistance in a parallel circuit is less than the smallest individual resistor, since the current flowing through each resistor adds up to the total current.

In a series circuit, the total resistance is equal to the sum of the individual resistors, so the total resistance is greater than the smallest individual resistor. This is because in a series circuit, the current flows through each resistor one after the other, so the total resistance is the sum of the resistances of each resistor.

Therefore, the equivalent resistance is smallest in a parallel circuit.

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(a) The bending stress at corner A is 6.67 kPa.

(b) The bending stress at corner B is 2.22 kPa.

(c) The orientation of the neutral axis is horizontal and passes through the centroid.

(a) To determine the bending stress developed at corner A, we need to calculate the moment of inertia (I) of the cross-section and the distance (c) from the centroid to the corner A. Then, we can use the formula:

σ = Mc/Ic

where σ is the bending stress, M is the bending moment, and Ic is the moment of inertia about the centroidal axis.

Assuming the cross-section is rectangular, we have:

I = \(bh^3\)/12, where b is the base and h is the height

c = h/2

Substituting these values and M = 55 kN/m, we get:

σ = (55 kN/m)(h/2)/(\(bh^3\)/12) = 6.67 kPa

Therefore, the bending stress developed at corner A is 6.67 kPa.

(b) To determine the bending stress developed at corner B, we follow the same procedure as in Part A, but with a different value for the distance c. Assuming the cross-section is rectangular and symmetric, we have:

c = b/2

Substituting this value and M = 55 kN/m, we get:

σ = (55 kN/m)(b/2)/(\(bh^3\)/12) = 2.22 kPa

Therefore, the bending stress developed at corner B is 2.22 kPa.

(c) The neutral axis is the line on which the stress is zero during bending. For a symmetric cross-section, the neutral axis is at the center of the section, which is also the centroidal axis. Therefore, the orientation of the neutral axis is horizontal, perpendicular to the plane of the cross-section, passing through the centroid.

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The ball lands ahead of the driver if the snowmobile stops in obedience to the law of inertia.

According to Newton's first law of motion, an object continues in its state of rest or uniform motion unless it is acted upon by an unbalanced external force. This is also known as the law of inertia.

The law of inertia explains the reluctance of an object to stop when it has started moving and also the reluctance of objects to start moving. The ball lands ahead of the driver if the snowmobile stops in obedience to the law of inertia.

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Answer:

B. a friction force

Explanation:

(i think)

Answer:

C. an electric force

the sweater and Explanation:

Electrons are rubbing against it and are atrractted

Answer:

Compound 'A' C5H12 does not react with phenyl hydrazine. Oxidation of 'A' with K2Cr2o7,/H" gives B' (c5H10o). Compound 'B' reacts with phenyl hydrazine but does not give Tollen's test. The

Answer:

when u find out pls lmk! i have the same question and I've been stuck for a while lol

The required  frequency of this light is 3.8 x 10^16 Hertz.

The wavelength is the distance between two wave peaks, and it will be no different for box. The frequency is the quantity of vibrations that ignore a given spot in one moment, and it is estimated in cycles each second (Hz) (Hertz).

A Cd player is an electronic gadget that plays sound conservative plates, which are a computerized optical circle information capacity design. Cd players were first offered to buyers in 1982. Discs commonly contain accounts of sound material like music or book recordings.

We have,

λ = 7.80 x 10^2 nm = 7.8  x 10^-7 m, c = 3 x 10^8 m/s

So, v = f λ

f = v /λ

f = 3 x 10^8 m/s/7.8  x 10^-7 m

7.8  x 10^-7 m = 3.8 x 10^16 Hertz

Thus, required frequency of the light is 3.8 x 10^16 Hertz.

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EAC( Low-energy lightbulb )=18.47 EAC( Conventional lightbulb )=7.33 Conventional lightbulb is cheaper to operate. Option D

To calculate the Equivalent Annual Costs (EAC), we need to consider the initial cost, maintenance costs, and the present value of future costs, taking into account the discount rate.

The EAC (Equivalent Annual Cost) is calculated by summing up the annual costs of the lightbulb over its lifetime, discounted at the real discount rate of 4%.

For the low-energy lightbulb:

EAC = Cost of bulb + Present value of annual electricity cost

= $3.60 + ($2.00 / (1 + 0.04)^1) + ($2.00 / (1 + 0.04)^2) + ... + ($2.00 / (1 + 0.04)^9)

≈ $18.47

For the conventional lightbulb:

EAC = Cost of bulb + Present value of annual electricity cost

= $0.60 + ($7.00 / (1 + 0.04)^1) + ($7.00 / (1 + 0.04)^2) + ... + ($7.00 / (1 + 0.04)^1)

≈ $7.33

Since the EAC for the low-energy lightbulb is $18.47 per year and the EAC for the conventional lightbulb is $7.33 per year, the conventional lightbulb is cheaper to operate assuming a burnt-out bulb is replaced by an identical bulb.

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Answer: I believe it to be D.

Edison means with the claim that "there is no similar institution in existence" was that he had created the first ever laboratory dedicated to research and invention.

After the successful installation of his first power plants in the starting of 1880s, Edison lived up to his reputation as the "Inventor of the Age." For many years Edison had no single, central laboratory. He researched at his electrical manufacturing shops in Harrison, New Jersey and New York.

When his wife Mary died in 1884 he withdrew somewhat from electric light work. In 1887 he had decided to build a new facility near his house in West Orange, New Jersey, several times bigger than the Menlo Park laboratory had been. The new laboratory equipped with everything Edison had learned about the process of invention.

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The position in the graph between 4 - 6 seconds is the region of constant velocity.

The term constant velocity refers to the period in the graph when the velocity is not changing with time. As such, the graph is shown to be a flat portion at such a point.

Hence, it follows that the position in the graph between 4 - 6 seconds is the region of constant velocity.

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Answer:

E = V / d       125 V / .018 m = 6940 V/m     electric field

F = E Q       force on Q due to E

F = E n e     where n is the number of electrons in Q

m g = E n e

n = m g / E e     where n is the number of electrons e needed to support drop

n = 1.6 * 10E-16 * 9.8 / (6940 * 1.6 * 10E-19)

n = 1.41

Since n needs to be an integral number of charges, the drop would

not be suspended (motionless under these conditions).

a) Velocity of the beetle as measured by someone standing on the ground when the beetle is 0.5 m away from the center of the merry-go-round is 2.5 m/s.

Using the principle of Galilean transformation to transform the velocity of the beetle from the rotating frame of the merry-go-round to the stationary frame of the ground,

we have

v' = v + rv'

= velocity of beetle as measured by someone standing on the ground v

= velocity of beetle relative to the merry-go-round r

= radius of the merry-go-round

= 0.5 mω = angular velocity of the merry-go-round

= 1.5 rad/sAt

the instant when the beetle is 0.5 m away from the center of the merry-go-round, the velocity of the beetle relative to the merry-go-round is given by v = 2 m/s

Then the velocity of the beetle as measured by someone standing on the ground is v' = v + rω= 2 m/s + (0.5 m) (1.5 rad/s)

= 2 m/s + 0.75 m/s= 2.75 m/s

the velocity of the beetle as measured by someone standing on the ground when the beetle is 0.5 m away from the center of the merry-go-round is 2.75 m/s.

b) Acceleration of the beetle as measured by someone standing on the ground when the beetle is 0.5 m away from the center of the merry-go-round is 4.5 m/s2.

The acceleration of the beetle relative to the merry-go-round is given by a = rω2 = (0.5 m) (1.5 rad/s)2= 1.125 m/s2

Using the principle of Galilean transformation to transform the acceleration of the beetle from the rotating frame of the merry-go-round to the stationary frame of the ground,

we have

a' = a

Then the acceleration of the beetle as measured by someone standing on the ground when the beetle is 0.5 m away from the center of the merry-go-round is a' = 1.125 m/s2

the acceleration of the beetle as measured by someone standing on the ground when the beetle is 0.5 m away from the center of the merry-go-round is 1.125 m/s2.

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Answer:

ya thats right they cant swim

Explanation:

Luis is near sighted. To correct his vision, he wears a diverging eyeglass lens with a focal length of -0.50 m. When wearing glasses, Luis looks not at an object but at the virtual Image of the object because that is the point from which diverging rays enter his eye. Suppose Luis, while wearing his glasses, looks at a vertical 14 cm tall pencil that is 2.0 m in front of his glasses. The height of the image is 2.8 cm.

To find the height of the image, we can use the lens formula:

1/f = 1/\(d_o\) + 1/\(d_i\)

where:

f is the focal length of the lens,

\(d_o\) is the object distance (distance between the object and the lens),

and \(d_i\) is the image distance (distance between the image and the lens).

In this case, the focal length of the lens is -0.50 m (negative sign indicates a diverging lens), and the object distance is 2.0 m.

Using the lens formula, we can rearrange it to solve for di:

1/\(d_i\) = 1/f - 1/\(d_o\)

1/\(d_i\) = 1/(-0.50 m) - 1/(2.0 m)

1/\(d_i\) = -2.0 m⁻¹ - 0.50 m⁻¹

1/\(d_i\) = -2.50 m⁻¹

\(d_i\) = 1/(-2.50 m⁻¹)

\(d_i\) = -0.40 m

The image distance is -0.40 m. Since Luis is looking at a virtual image, the height of the image will be negative. To find the height of the image, we can use the magnification formula:

magnification = -\(d_i\)/\(d_o\)

Given that the object height is 14 cm (0.14 m) and the object distance is 2.0 m, we have:

magnification = -(-0.40 m) / (2.0 m)

magnification = 0.40 m / 2.0 m

magnification = 0.20

The magnification is 0.20. The height of the image can be calculated by multiplying the magnification by the object height:

height of the image = magnification * object height

height of the image = 0.20 * 0.14 m

height of the image = 0.028 m

Therefore, the height of the image is 0.028 meters (or 2.8 cm).

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The gravitational force of attraction between the Earth and Jupiter is approximately 1.32 x 10²⁸ N.

The gravitational force of attraction between two objects can be calculated using Newton's law of universal gravitation, which states that the force (F) is proportional to the product of their masses (m₁ and m₂) and inversely proportional to the square of the distance (r) between their centers. Mathematically, the formula is expressed as:

F = (G * m₁ * m₂) / r²

where G is the gravitational constant.

m₁ = 6 x 10²⁴ kg (mass of Earth)

m₂ = 1898.6 x 10²⁴ kg (mass of Jupiter)

r = 5.88 x 10¹¹ m (distance between Earth and Jupiter)

Plugging in the values into the formula, we have:

F = (6.67 x 10⁻¹¹ N m²/kg²) * (6 x 10²⁴ kg) * (1898.6 x 10²⁴ kg) / (5.88 x 10¹¹ m)²

Calculating the expression, we find:

F ≈ 1.32 x 10²⁸ N

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THE COMPLETE QUESTION IS:

Determine the gravitational force of attraction between the Earth and Jupiter given the mass of the earth is 6 x 10²⁴ kg the mass of Jupiter is 1898.6 x 10²⁴ kg and the closest distance is about 5.88 x 10¹¹

The amount of heat stored in the wall is 60,000 btu

The amount of heat stored in a 100 sq.ft. concrete wall 1 ft. thick, when it is warmed from 65 deg. f to 85 deg. f by exposure to sunlight can be calculated using the formula:

Q = mcΔT

where Q is the amount of heat, m is the mass of the wall, c is the specific heat capacity of the wall, and ΔT is the change in temperature.

First, we need to calculate the mass of the wall.

The volume of the wall is 100 sq.ft. x 1 ft. = 100 cu.ft.

The density of concrete is 150 lb/cu.ft., so the mass of the wall is 100 cu.ft. x 150 lb/cu.ft. = 15,000 lb.

Next, we need to find the specific heat capacity of concrete. The specific heat capacity of concrete is 0.2 btu/lb-deg. f.

Finally, we need to calculate the change in temperature. The change in temperature is 85 deg. f - 65 deg. f = 20 deg. f.

Now we can plug these values into the formula to find the amount of heat stored in the wall:
Q = mcΔT
Q = (15,000 lb) x (0.2 btu/lb-deg. f) x (20 deg. f)
Q = 60,000 btu

Therefore, the amount of heat stored in the wall is 60,000 btu.

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To find the number of revolutions the tire makes during this motion, we need to calculate the distance traveled by the tire and divide it by the diameter of the tire.

First, we need to find the distance traveled. This can be calculated using the formula:

distance = (initial velocity + final velocity)/2 * time = (0 + 21.4 m/s)/2 * 5.1s = 110.7m

Next, we need to convert the diameter of the tire from cm to m.

diameter = 38.2 cm / 100 cm/m = 0.382 m

Now we can calculate the number of revolutions by dividing the distance traveled by the diameter of the tire:

revolutions = distance / diameter = 110.7m / 0.382 m = 290.64

Therefore, the tire makes 290.64 revolutions during this motion

Note that it is assuming that the tire is not slipping. When the tire is slipping, this result can be different.

The current in resistor X is s 2ε/5R.

Option C is correct.

The Kirchhoff's law states that the amount of current flowing into a node is equal to the sum of currents flowing out of it. It can also be described as  the algebraic sum of all the currents in any given circuit will be equal to zero.

The  four identical resistors of resistance R are connected in a square as shown, the equivalent resistance of the circuit = R/2.

using Ohm's Law, we find the current passing through resistor X

I = V/R

where V =  voltage across the resistor

R = resistance.

Applying the  the voltage divider rule:

V = ε (R/2)/(2R)

V= ε/4

current passing through resistor X  will then be :

I (current )  = ε/4 / R

I (current )= 2ε/5R

The correct answer is  2ε/5R.

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The system of forces that would make the object not to move is shown in  option A.

We know that a force is a vector. A vector is a quantity that does have both magnitude and direction. This implies that we would know the direction in which the vector would move by looking at the direction that is indicated.

A force could have direction because force is a vector quantity. We know that an object is going to remain at rest if the object is acted upon by balanced forces. According to the Newton's first law, the only time that an object would move is if the object has been acted upon by external forces.

We now have to look at the horizontal forces that act on the object. The image that shows horizontal forces of the same magnitude in both directions would not make the object to move.

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If a car can cover n kilometers per day, it will take m/n days to cover a distance of m kilometers. This assumes that the car can cover the distance without any interruptions or delays, and that it maintains a constant speed of n kilometers per day.

The number of days it will take for a car to cover a distance of m kilometers, given that it covers a distance of n kilometers per day, is m/n.

To understand why this is the case, consider that the car covers n kilometers in one day.

Therefore, it will cover 2n kilometers in two days, 3n kilometers in three days, and so on. This means that the car will cover m kilometers in m/n days.

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Answer:

B

Explanation:

I don't know how to break it down but I hope this is helpful!