what best describes the camera motion in the scenes directly prior to the old man's defiant hand gesture?

Explanation:

d=m/v

m=d*v

m=3.5*1.25

m=4.375g

Answer:

The net force of the object is 0 N, as both forces are acting in the opposite direction so they will cancel each other...

Answer:

GIDDTAEWJRGAB SEIawuYECIauwGE awyE UIa wyYUGSZEFUG SeRGYSEUSR SDJFS UEF SDJK VVSUGEFIUseR suoe RY:osE RseuiR

Explanation:

I EUISTsjie hYRUyeRE HueRU seUILQALUIE SLieQLALle gLIU EGeL EIeusR eSRUOhr

From a performance perspective, dietary fat intake is crucial as it contributes the highest percentage of energy production for prolonged, low to moderate intensity exercises.

Fat, in the form of triglycerides, is stored in adipose tissues and can be broken down into fatty acids, which are then utilized for energy. The body relies on fat as a primary fuel source during extended periods of activity, as it provides a consistent and long-lasting energy supply. Adequate dietary fat intake ensures that an individual can maintain their energy levels and support overall performance during such exercises.

Consuming a balanced diet with healthy fats like monounsaturated and polyunsaturated fats found in nuts, seeds, avocados, and oily fish is essential for optimal performance. In summary, dietary fat intake plays a vital role in energy production during prolonged, low to moderate intensity exercises. It allows individuals to sustain their performance and maintain energy levels by providing a consistent and long-lasting fuel source. Prioritizing a balanced diet with healthy fat sources is essential for achieving peak performance in these types of activities.

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Answer:

As the temperature is increased the more the energy store

The core of a highly evolved high mass star, depending on the type of stellar remnant, can be as small as the size of the Earth (for a white dwarf) or as compact as about 10 kilometers (for a neutron star).

The core of a highly evolved high mass star is typically a compact object known as a stellar remnant. There are two main types of stellar remnants that can form depending on the mass of the star: white dwarfs and neutron stars.

A white dwarf is the remnant of a star with a mass up to about 8 times that of the Sun. Its core is about the size of the Earth, which is much smaller compared to the original size of the star.

On the other hand, a neutron star is formed when a star with a mass greater than about 8 times that of the Sun undergoes a supernova explosion. The core of a neutron star is incredibly dense and compact, with a radius typically on the order of 10 kilometers (6.2 miles). Neutron stars are composed primarily of tightly packed neutrons and are extremely massive.

In summary, the core of a highly evolved high mass star, depending on the type of stellar remnant, can be as small as the size of the Earth (for a white dwarf) or as compact as about 10 kilometers (for a neutron star).

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Answer:

both velocity and acceleration

Explanation:

answer May be 3

Explanation:

Girls have two X Chromosomes while boys have one X Chromosome and, as you now know, one Y Chromosome. So girls are XX and boys are XY.

Answer: The X and Y chromosomes, also known as the sex chromosomes, determine the biological sex of an individual: females inherit an X chromosome from the father for a XX genotype, while males inherit a Y chromosome from the father for a XY genotype (mothers only pass on X chromosomes).

Explanation:

Answer: (b)

Explanation:

Given

Mass of box \(m=17\ kg\)

Applied force \(F=175\ N\)

Friction force \(f=-125\ N\)

Box travels a distance of \(s=15\ m\)

time taken \(t=5.25\ s\)

Net unbalanced force \(F_{net}=175-125=50\ N\)

Work done by the unbalanced force

\(\Rightarrow W=F_{un}\cdot s\\\Rightarrow W=50\times 15\\\Rightarrow W=750\ N\)

Power developed by unbalanced force

\(\Rightarrow P=\dfrac{W}{t}\\\\\Rightarrow P=\dfrac{750}{5.25}\\\\\Rightarrow P=142.85\approx 1423\ W\)

Thus, option (b) is correct.

Answer:

the answer is 12 second easy

Answer:

41895 J

Explanation:

GPE= mgh

m=95

g=9.8

h=45

95*9.8*45

The gravitational potential energy of the rock at the top of the cliff is 41895 Joules.

Gravitational potential energy is simply the potential energy an object possessse in relation to another object due to gravity.

It is expressed as;

U = mgh

Given the data in the question;

We substitute our values into the expression above.

U = mgh

U = 95kg × 9.8m/s² × 45m

U = 41895kgm²/s²

U = 41895J

Therefore, the gravitational potential energy of the rock at the top of the cliff is 41895 Joules.

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The equilibrant force is equal in magnitude and opposite in direction to the resultant force.

Since the resultant force is 10 N in the positive y axis direction (North), the equilibrant force is 10 N in the negative y axis direction (South). An equilibrant force is a force that can balance or counteract the effect of other forces acting on an object.

It has the same magnitude as the resultant force, but it acts in the opposite direction, resulting in a state of equilibrium where the net force acting on the object is zero.

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Take into account that the Newton Second law is given by the following formula:

F = m·a

if you solve the previous formula for a, you obtain:

a = (1/m)·F

In the graph, you can notice that acceleration a is function of force F, just as in the previous formulation. The slope of the lines of the graph is 1/m, where m is the mass.

As you can notice in the formula for a, if m is greater, the slope is smaller.

Then, the blue line belongs to the smallest mass, the gray line belongs to the greatest mass, and the orange line is the middle mass.

Hence, you have:

- blue line - 40 kg

- gray line - 200 kg

- orange line - 100 kg

The relationship between wave characteristics and the generation of electrical energy is that energy of the wave is converted into electrical energy and the energy carried by this wave depends on its amplitude.

The average power of a wave is the amount of energy of the wave transmitted over a given time.

Power = energy / time

The amount of energy carried by a wave is related to the amplitude of the wave.

A high energy wave is characterized by a high amplitude; a low energy wave is characterized by a low amplitude.

Mathematically, the formula for the average power of a wave is given as;

P(avg) = ¹/₂μω²A²v

where;

Thus, the energy carried by a wave is a function of its amplitude and speed.

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Answer:

Explanation:

the force on each is opposite and equal.  

Answer:

December 21 or 22

Source:

Yes, the critical angle exists for both cases where light is incident from air to glass and from glass to air. The critical angle is the angle of incidence at which the refracted angle becomes 90 degrees.

To calculate the critical angle, we can use Snell's law which states that the ratio of the sines of the angles of incidence and refraction is equal to the ratio of the refractive indices of the two mediums.

For the case of light incident from air to glass, we have:

sin(critical angle) = n2/n1 = 1/1.5 = 0.6667

Taking the inverse sine of 0.6667 gives us the critical angle:
critical angle = sin^-1(0.6667) = 42.48 degrees

For the case of light incident from glass to air, we have:
sin(critical angle) = n2/n1 = 1.5/1 = 1.5

Again, taking the inverse sine of 1.5 gives us the critical angle:
critical angle = sin^-1(1.5) = 90 degrees

This means that any angle of incidence greater than 90 degrees will result in total internal reflection.

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The speed of the sound in carbon dioxide at normal boiling temperature of water is approximately 268.5 m/s.

The speed of sound in a gas depends on the temperature, pressure, and molecular properties of the gas. The speed of sound in carbon dioxide (CO₂) can be calculated using the following formula;

v = √(γRT/M)

where v is speed of sound, γ is adiabatic index (a property of the gas), R is universal gas constant, T is temperature in Kelvin, and M is molar mass of the gas.

At the normal boiling temperature of water (100°C or 373 K), the density of carbon dioxide is approximately 1.98 kg/m³ and the molar mass of CO₂ is 44.01 g/mol. The adiabatic index for CO₂ is 1.3.

Substituting these values into the formula, we get;

v = √(γRT/M) = √[(1.3)(8.314 J/mol·K)(373 K)/(0.04401 kg/mol)]

≈ 268.5 m/s

Therefore, the speed of sound is 268.5 m/s.

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a. The dimensions that minimize weight, the base length should be equal to one-eighth of the height.

b. We can achieve a design that minimizes the weight of the tank while still meeting the required specifications.

To find the dimensions that will make the tank weigh as little as possible, we need to consider the relationship between the dimensions, surface area, and volume of the tank. A smaller surface area would require fewer stainless steel plates, reducing the weight of the tank. Additionally, minimizing the height would decrease the volume, resulting in less steel needed overall.

a. To determine the dimensions that minimize weight, we can start by considering a square base for the tank. Let's assume the base has sides of length x. In this case, the surface area of each of the four sides of the tank would be 500 ft² (since the total surface area is 4 times the base area).

Using the formula for the surface area of a rectangular tank:

Surface Area = 2lh + lw + lh

For our square base tank, this simplifies to:

Surface Area = 4x² + xh

To minimize weight, we want to minimize the surface area. Taking the derivative of the surface area with respect to x, we can find the critical points. Differentiating the equation with respect to x yields:

d(Surface Area)/dx = 8x + h

Setting this derivative equal to zero and solving for x, we get:

8x + h = 0

x = -h/8

Since both x and h should be positive (as they represent lengths), we can conclude that x = h/8.

Therefore, for the dimensions that minimize weight, the base length should be equal to one-eighth of the height.

b. To take weight into account, we considered the relationship between surface area, volume, and weight. By minimizing the surface area, we reduce the amount of stainless steel required to construct the tank, thereby reducing its weight. Additionally, minimizing the height of the tank decreases its volume, which further reduces the weight by reducing the amount of steel needed.

By optimizing the dimensions based on these considerations, we can achieve a design that minimizes the weight of the tank while still meeting the required specifications.

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To find the value of t when the cart is first located at x = 8.47 cm, we need to set the given equation equal to 8.47 cm and solve for t. Therefore, we have:

8.47 cm = (12.4 cm) cos[(6.35 s^-1)t]

Dividing both sides by 12.4 cm, we get:

cos[(6.35 s^-1)t] = 0.6835

Taking the inverse cosine (cos^-1) of both sides, we get:

(6.35 s^-1)t = 46.13°

Multiplying both sides by (1 rad/57.3°) to convert degrees to radians, we get:

(6.35 s^-1)t = 0.805 rad

Finally, solving for t, we get:

t = (0.805 rad)/(6.35 s^-1) = 0.127 s

Therefore, the cart is first located at x = 8.47 cm at a time of t = 0.127 s after t = 0.00 s.
The position of an air-track cart oscillating on a spring is given by the equation x = (12.4 cm) cos[(6.35 s-1)t]. To find the value of t when the cart is first located at x = 8.47 cm, we can set the equation equal to 8.47 cm:

8.47 cm = (12.4 cm) cos[(6.35 s-1)t]

Now, we need to solve for t:

(8.47 cm) / (12.4 cm) = cos[(6.35 s-1)t]
0.6831 = cos[(6.35 s-1)t]

Next, take the inverse cosine (arccos) of both sides:

t = arccos(0.6831) / (6.35 s-1)

Calculating the value of t, we get:

t ≈ 0.3069 s

So, the cart is first located at x = 8.47 cm after approximately t = 0.3069 seconds.

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Answer:

motion; position; reference; speed; velocity; forces; gravity; friction; direction; acceleration (in order)

Explanation:

Answer:

Look below.

Explanation:

If additives are having negative effects on health and the environment, it would be wise to not use detergents containing these additives. These additives could threaten living things such as humans and animals.

There is concern that extra additives in detergents can have negative health and environmental impacts, then it would be very unwise to use detergents containing these additives

It can be defined as the origination of the contaminant substance that poisonous or harmful to our natural environment.

There are several types of pollution that exist in our nature depending on the state and composition of the contaminant, for example, water pollution can exist due to the eutrophication process.

It would be quite unwise to use surfactants that include these additional ingredients since there is fear that they might have a harmful influence on your well-being and the environment.

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The transmission coefficient tends to 0, as \(U_{0}\) tends to ∞ but it is undoubtedly feasible to reflect. So, the probability that it will be transmitted is almost nil.

The phrase that we know for transmission is :

T = 4 \(\sqrt{E(E-U_{0}) }\)/ \(\sqrt{E+(E-U_{0} )^{2} }\)

We might predict that an answer within the region beyond the downward step should match smoothly. The derivative, however, is discontinuous at the drop because the P.E. is infinite. Only an undulation to the left of the step, zero at the step, and nothing beyond the step make up the wave function.

Therefore, when the transmission coefficient tends to 0 , that is as \(U_{0}\) tends to ∞ , it is undoubtedly feasible to reflect but the probability that it will be transmitted is almost nil.

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Answer:

ur gay

Explanation:

i said so

The average speed for the entire trip is 41.0 km/h.

What is Speed?

Speed is a scalar quantity that measures how fast an object moves. It refers to the rate at which an object changes its position with respect to time. Speed is typically expressed in units such as meters per second (m/s), kilometers per hour (km/h), or miles per hour (mph). It represents the magnitude of velocity, which is a vector quantity that includes both speed and direction. In simpler terms, speed tells us how quickly an object is moving without considering its direction.

To find the average speed for the entire trip, we need to consider the total distance traveled and the total time taken.

The student first travels from home to school at an average speed of 41.0 km/h for a distance of 41.0 km. The time taken for this leg of the trip can be calculated using the formula: time = distance / speed. Therefore, the time taken is 41.0 km / 41.0 km/h = 1.0 hour.

After realizing she forgot her homework, the student returns home at the same average speed of 41.0 km/h. This means she travels a distance of 41.0 km back to her home. The time taken for this leg of the trip is 41.0 km / 41.0 km/h = 1.0 hour as well.

Finally, after finding her homework, the student resumes the trip to school with the same speed and covers the distance of 41.0 km in 1.0 hour.

The total distance traveled is 41.0 km + 41.0 km + 41.0 km = 123.0 km. The total time taken is 1.0 hour + 1.0 hour + 1.0 hour = 3.0 hours. Therefore, the average speed for the entire trip is total distance / total time = 123.0 km / 3.0 hours = 41.0 km/h.

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Answer:This could be in the form of using fewer energy services or using devices that require less energy.

Explanation:

The density of the liquid in which the aluminum ball was submerged is found to be 2.7g/cm³.

When submerged in a certain liquid, a 3.90 kilogram aluminum metal ball has an apparent mass of 2.50 kg.

Aluminum has a density of 2.7gm/cm3.

We already know that 3.9 kg = 3900gm density = mass/volume

2.7 = 3900/volume

volume = 3900/2.7 cm³

We also know that the volume of liquid displaced Equals the volume of the ball,

The mass of liquid exhibited = the apparent weight of the Al ball = 2.5 kg = 2500 gm, and

Density of liquid = 2500/(3900/2.7)

= 2.7 gm/cm³

As a result, the density of the liquid is 2.7 gm/cm3.

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The size of force slowing the car down is 22.2 m.

What is acceleration due to friction?

The formula is a = F/ m.

This comes from Newton's Second Law.

Like we know that friction is included here, we need to derive the formula according to the situation, a = (F – Ff) / m. Here friction will accelerate the object more.

The force of static friction is what pushes your car forward.

The engine provides the force to turn the tires which, in turn, pushes backwards against the road surface.

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Answer:

A pardon

Explanation:

Hope this helps

Answer:

that would probably be a A.Pardon