i'm strugglingg in science and I need help "Why did Vehicle 2 fall off the cliff in Claire's test of the collision scene, but Vehicle 2 did not fall off the cliff in the film Iceworld Revenge?

Claim 1: The vehicles in Iceworld Revenge had different masses; in Claire’s test, the vehicles had the same mass.

Claim 2: The friction of the surface that was used in Iceworld Revenge was different from the friction of the surface in Claire’s test.

State your claim. Use evidence to support your claim, and then explain how the evidence supports your claim."

Answer:

The product choices along with its competitive prices were provided to the consumers. Practices such as horizontal collusion and resale price maintenance was declared unlawful in 1984. Prevention of monopoly growth was the aim of the competition policy act.

Explanation:

hope this helps you

Answer:

The magnitude of the acceleration is 1.6 m/s².

Explanation:

We can find the magnitude of the acceleration by using the following equation:

\( x_{f} = x_{0} + v_{0}t + \frac{1}{2}at^{2} \)

Where:

\( x_{f}\): is the final position = 80 m

\( x_{0\): is the initial position = 0

\( v_{0}\): is the initial speed = 0 (it starts from rest)

a: is the acceleration =?

t: is the time = 10 s

Hence, the acceleration is:

\( a = \frac{2x_{f}}{t^{2}} = \frac{2*80 m}{(10 s)^{2}} = 1.6 m/s^{2} \)

Therefore, the magnitude of the acceleration is 1.6 m/s².

I hope it helps you!          

Answer:

The absorbed sunlight drives photosynthesis, fuels evaporation, melts snow and ice, and warms the Earth system.

Explanation:

And there you go! :)

Answer:

I think it is true I'm not saying it is but if you get another person who says its true say true

Explanation:

the force between the two wires if they are separated by 2.50 cm is 0.525 N.

Given that force F between two parallel wires carrying electric currents is inversely proportional to the distance d between the wires and that a force of 0.750 N exists between wires that are 1.75 cm apart and that we are supposed to find the force between them if they are separated by 2.50 cm.

Let the initial force be F₁ and the initial distance be d₁.

Therefore, we can write the relationship between force and distance as;

F₁d₁ = F₂d₂

Where

;F₁ = 0.750 N (initial force)

d₁ = 1.75 cm (initial distance)

F₂ = ? (force at new distance)

d₂ = 2.50 cm (new distance)

Let us find F₂;F₁d₁ = F₂d₂F₂ = F₁d₁/d₂

Now substitute the values we know;

F₂ = (0.750 N x 1.75 cm) / 2.50 cmF₂ = 0.525 N

Therefore, the force between the two wires if they are separated by 2.50 cm is 0.525 N.

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Answer:

E

Explanation:

All others conduct electricity and heat.

Answer:

E.Rubber

Explanation:

Rubber is the best insulator, they have them coated around electricity wires, while metals are good conductors.

If u could give me brainly that would be awsome-u dont have to tho, HAVE A GREAT DAY!! :))

Thermal system is used on some electric and hybrid vehicles to cool the power electronics and charger modules.

What is thermal system?

An isolated system has no interaction with the rest of the physical universe, a closed system can only exchange heat and work, and an open system can also exchange mass. In thermodynamics, a system is the portion of the physical universe that the observer chooses to analyse separately from the rest.

A thermal system, on the other hand, is a complex assembly of coupled components, some of which are thermal, that exhibits a common structured behavior  for instance, a refrigerator consists of pipes, a compressor, an electric motor, heat exchangers, valves, insulation, a casing, doors, a lamp, and other components that interact to achieve the internal goal of producing cold.

The interior space or the refrigerant are thermodynamic systems, whereas a refrigerator is a thermal system. While large thermal systems, like a refrigerated store, are constructed on the job site, small thermal systems, like a refrigerator, typically come fully installed from the manufacturer (although a straightforward split-air-conditioning system needs installation). Thermal systems often require services such as fuel supply, flue stack, water intake and exit, air intake and exit, and electrical supply (for power or at least for control).

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Answer:

\(10\ \text{m/s}\)

Explanation:

\(s\) = Displacement = \(100\ \text{m}\)

\(t\) = Time taken = \(10\ \text{s}\)

Velocity is given by

\(v=\dfrac{s}{t}\\\Rightarrow v=\dfrac{100}{10}\\\Rightarrow v=10\ \text{m/s}\)

The person is able to run at a speed of \(10\ \text{m/s}\) in order to complete the race in the given time.

Answer:

hmmm

Explanation:

error of parallax or poor measurement

poor structural material

Answer:

Aluminum

Explanation:

Silver is not good for magnets, it doesn't hold magnetic properties. Hope this helps.

Answer:

Aluminum

All the elements that are magnetic:

Iron

Cobalt

Nickel

Aluminum

Neodymium

Samarium

Boron

Dysprosium

Chromium

Zinc

Barium

Strontium

Bismuth

As you can see silver is not on the list of every elements that are magnetic and aluminum is.

Hope this helps!

To create an emf in a rectangular wire loop, you want to move it into an area of uniform magnetic field at a specific pace.

The loop's plane must always remain parallel to the magnetic field lines. Utilizing the interaction between electricity and magnetism, electromagnetic induction creates a magnetic field around a single wire when an electric current flows through it. The magnetic field is substantially enhanced if the wire is twisted into a coil, creating a static magnetic field around itself in the shape of a bar magnet with a clear North and South pole. According to the diagram, the magnetic flux that formed around the coil was inversely proportional to the current running through its windings.

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Answer: 28.71 km

Explanation:

For the convex mirror (ocean):

Radius of curvature = 6.4*10^3 km

Focal length (f) = R/2 = 3.2*10^3 km

Object distance (u) = -3.84*10^5

Mirror formula: \(\frac{1}{u} + \frac{1}{v} = \frac{1}{f}\)

\(\frac{1}{u} + \frac{1}{v} = \frac{1}{f}\)

\(\frac{-1}{3.84*10^5} + \frac{1}{v} = \frac{1}{3.2*10^3}\)

v = 3173.55km

Magnification, \(m = \frac{-v}{u} = \frac{-3173.55}{-3.84*10^5} = \frac{h_{i} }{h_{o} }\)

So, height of image/height of object = 3173.55/3.84*10^5

Diameter of image = 3173.55/3.84*10^5 * 3475

Diameter of image = 28.71 km

Therefore, the diameter of the image is 28.71 km

Write each force in component form:

v ₁ : 50 N due east   →   (50 N) i

v ₂ : 80 N at N 45° E   →   (80 N) (cos(45°) i + sin(45°) j ) ≈ (56.5 N) (i + j )

The resultant force is the sum of these two vectors:

r = v ₁ + v ₂ ≈ (106.5 N) i + (56.5 N) j

Its magnitude is

|| r || = √[(106.5 N)² + (56.5 N)²] ≈ 121 N

and has direction θ such that

tan(θ) = (56.5 N) / (106.5 N)   →   θ ≈ 28.0°

i.e. a direction of about E 28.0° N. (Just to clear up any confusion, I mean 28.0° north of east, or 28.0° relative to the positive x-axis.)

If the spaceship stops halfway between the planet and point P, the net gravitational force is four times as great.

The gravitational force between two objects is determined from Newton's second law of universal gravitation.

F = GmM/R²

where;

when the distance halved

F = GmM/(0.5R)²

F = GmM/(0.25R²)

F = 100GmM(25R²)

F = 4GmM/R²

Fnet = 4F

Thus, if the spaceship stops halfway between the planet and point P, the net gravitational force is four times as great.

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The heat that is evolved by the environment is 36.42 kJ.

We know that heat is a form of energy that can be known for the fact that it could lead to a change in the temperature of the object. We have to note that the energy that is released is a sum total of all the process that are involved here.

We know that;

H = (15 * 4.18 * (135 - 100)) + (15 * 2240) + (15 * 4.18 * (100 - 90))

H = 2194.5 + 33600 + 627

H = 36.42 kJ

The total heat that has been evolved would now be 36.42 kJ.

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The equations mentioned by Emily in the valuation analysis for Aspeon are as follows:

1) Equation (1): This equation represents the value of equity (S) and calculates it based on the EBIT (earnings before interest and taxes), the tax shield provided by debt (D), and the required return on debt (kd) and equity (ks). It implies that the value of equity is equal to the adjusted EBIT after deducting the tax shield from debt.

2) Equation (2): This equation calculates the total enterprise value (V) by adding the value of equity (S) and debt (D). It represents the total worth of the company, considering both equity and debt.

3) Equation (3): This equation calculates the price per share (P) by dividing the total enterprise value (V) minus the initial debt (D0) by the number of shares (n0). It represents the price per share based on the valuation of the company.

4) Equation (4): This equation calculates the new number of shares (n1) by subtracting the dividend (D) from the initial number of shares (n0) divided by the price per share (P). It represents the adjusted number of shares after the payment of dividends.

5) Equation (5): This equation calculates the levered value (VL) by adding the unlevered value (VU) with the tax shield value (TD). It represents the value of the company after considering the tax advantages of debt.

These equations provide a framework for valuation analysis, considering factors such as earnings, taxes, debt, and equity. They help assess the value and financial implications of Aspeon's growth prospects.

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The velocity of the particle when s = 10 m is 178 m/s.

To determine the velocity of the particle when s = 10 m, we need to find the relationship between velocity and displacement by integrating the given acceleration function.

Given: a = 20 - 0.5s (m/s^2)

To find the velocity function v(s), we integrate the acceleration with respect to s:

∫ a ds = ∫ (20 - 0.5s) ds

Integrating the right-hand side of the equation, we get:

v(s) = ∫ (20 - 0.5s) ds

= 20s - 0.25s^2/2 + C

Now, we can find the constant C using the initial condition v = 3 m/s at s = 0:

3 = 20(0) - 0.25(0)^2/2 + C

C = 3

Substituting the value of C back into the equation, we have:

v(s) = 20s - 0.25s^2/2 + 3

To find the velocity when s = 10 m, we substitute s = 10 into the equation:

v(10) = 20(10) - 0.25(10)^2/2 + 3

v(10) = 200 - 25 + 3

v(10) = 178 m/s

Therefore, the velocity of the particle when s = 10 m is 178 m/s.

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Answer:

2m/s2

Explanation:

using v=u+at

a=(v-u)/t

=(30-0)/15

=2

The Volvo is moving at a constant speed of 20 m/s, while the Saab is accelerating from rest at a rate of 2 m/s^2. We want to determine how far the Saab travels before drawing even with the Volvo.

d = v_0t + 1/2at^2

d is the distance traveled (in meters)

v_0 is the initial velocity (in meters per second)

a is the acceleration (in meters per second squared)

t is the time (in seconds)

The Saab's initial velocity is 0 m/s, since it is starting from rest. The acceleration is 2 m/s^2, and we want to determine the time it takes for the Saab to draw even with the Volvo, so we can set the final velocity of the Saab to 20 m/s.

Plugging these values into the equation, we get:

d = 0 m/s * t + 1/2 * 2 m/s^2 * t^2

20 m = t^2

t = √20 ≈ 4.5 seconds

Therefore, the Saab travels 4.5 * 2 = 9 meters before drawing even with the Volvo.

Here is a summary of the solution:

The Saab travels 9 meters before drawing even with the Volvo.

The Saab takes 4.5 seconds to travel this distance.

The Saab's final velocity is 20 m/s.

Answer:

True

Explanation:

Answer:

340 m/s

At the temperature of 15 degrees Celsius, the velocity of sound is about 340 m/s in air.

Answer:

a

Explanation:

a_c = v_t^2/r

a_c = (0.5)^2/0.03

a_c = 8.33 m/s^2

When electricity moves through a metal wire, the wire is option B. A conductor.

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Answer:

False

Explanation:

Electrons

To determine the maximum voltage of the power supply without damaging the LED, we can use Ohm's Law and the given information.

Ohm's Law states that the current flowing through a resistor is equal to the voltage across it divided by its resistance:

I = \(\frac{V}{R}\) , where:

I = Current (in Amperes)

V = Voltage (in Volts)

R = Resistance (in Ohms)

In this case, the resistance of the resistor is given as 270 Ω.

Given that any current larger than 15 mA (which is 15 * \(10^{-3} A\) ) will permanently damage the LED, we can set up the following equation:

15 * \(10^{-3}\) A =\(\frac{V}{270}\) Ω

To solve for the maximum voltage (V), we can rearrange the equation:

V = 15 *\(10^{-3} A * 270\) Ω

V = 4.05 V

Therefore, the maximum voltage of the power supply without damaging the LED is 4.05 volts.

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Answer:

a) Volt

Explanation:

The standard metric unit on electric potential difference is the volt.

answer

all of the above

explanation

as we know that the si unit of potential difference is volt

which is equal to j/c and j/c is equal to j/a.s so the correct answer is all of the above

Astronomers think Saturn generates its internal heat through a combination of processes, including gravitational contraction and the release of energy from its core.

Saturn, like other gas giant planets, generates its internal heat through several mechanisms.

One of the main sources of heat is gravitational contraction. As Saturn forms from a collapsing cloud of gas and dust, gravitational forces cause the planet to shrink in size, converting gravitational potential energy into heat.

This process releases energy and helps maintain the planet's internal temperature over time.

Another important source of heat is the release of energy from Saturn's core. The core of Saturn is composed of heavier elements, such as rock and metal, surrounded by a thick layer of hydrogen and helium.

The gravitational compression of the core generates heat as the core slowly contracts under the planet's immense pressure. This heat is then transferred to the surrounding layers of the planet, contributing to its overall internal heat.

Additionally, Saturn also receives heat from its surroundings, such as solar radiation absorbed in its atmosphere. This external heat source plays a role in the overall energy balance of the planet.

It is important to note that while these mechanisms contribute to Saturn's internal heat, the exact distribution and relative importance of each process are still topics of ongoing scientific research and investigation.

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Cataract is a condition in which there is a progressive thickening of the lens causing vision to become cloudy, opaque, and distorted.

The majority of cataracts occur when the tissue that makes up the eye's lens changes due to age or trauma.

The risk of cataracts may be increased by some hereditary genetic abnormalities that can result in other health issues. Other eye diseases, previous eye surgery, or other disorders like diabetes might also lead to cataracts. Cataracts can also form as a result of prolonged steroid drug usage.

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Average vehicle spacing at higher traffic density is 35.4 m for a vehicle with a length of 4.7 m.

Let's assume that Traffic flows at 96 km/h as per international data.

We need to find average vehicle spacing.

It indicates that a 96 km stretch of traffic gets cleared in one hour. In addition, 2400 cars may be supported in one lane for an hour. It implies that at least 96km must be taken up by 2400 automobiles. Congestion results from more vehicles moving at the same speed but occupying a smaller space as the number of automobiles increases.

Here, the key to the issue is that you must just consider length. 96 kilometres equal 96,000 metres at this time. If 2400 automobiles take up this much space [just lengthwise], 1 car will take up 96000/2400 m. it is 40 metres. Therefore, each automobile may use up 40m. But the automobile is 4.2 metres long.

It can thus also have a free space of 40 - 4.6 = 35.4 m.

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