A small truck and a large truck have the same kinetic energies. Which truck has the greater momentum? Justify your answer​

Answer: When a funnel is dipped into a liquid soap solution, soap molecules from the solution stick to the surface of the funnel and form a thin film. As the film becomes thinner, it reaches a point where it can no longer support its own weight, and gravity causes it to detach from the funnel and form a soap bubble.

When the funnel is removed, the soap bubble remains intact due to the surface tension of the soap film. Soap molecules have hydrophilic (water-attracting) and hydrophobic (water-repelling) ends, which enable them to form a stable film at the surface of the liquid. The surface tension of the soap film creates a force that tries to minimize the surface area of the bubble, which is why soap bubbles tend to form spherical shapes.

However, the soap bubble is not stable and will eventually burst due to a number of factors, such as evaporation of the liquid, changes in temperature or humidity, or contact with other objects. When the soap bubble bursts, the soap film breaks apart and the soap molecules mix with the surrounding air or liquid.

Explanation:

When a funnel is dipped into a soap solution and removed, a soap bubble forms due to the surface tension of the soap solution. As air is blown into it, the bubble expands until it pops when the soap film can't withstand the pressure difference anymore.

When a funnel is dipped into a liquid soap solution and then removed, a soap bubble forms at the end of the funnel. This phenomenon occurs due to a property of liquids known as surface tension. Surface tension is the force that causes the liquid surface to contract, thus forming a shape with the minimum possible area, a sphere.

After the funnel is dipped into the soap solution, a thin film of soap solution forms inside it. When the horn is removed and the air is blown from the other end, the air trapped inside the thin soap film expands to include a bubble.

Eventually, gravity causes the liquid soap to flow downwards, thinning the top of the bubble, and the bubble will pop when the film is too thin to sustain the pressure difference between the inside and outside. So, stating and explaining what happens to the bubble when the funnel is removed can also take into consideration the effect of gravity in this process.

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Answer:

Below

Explanation:

To convert mm to m all you need to do is divide the value by 1,000

so : 3 / 1,000 = 0.003 meters

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If the current is 3amps and resistance is 10 ohms, the voltage is 30 V.

Ohm's Law states that voltage is equal to the product of current and resistance.

Using the formula V=IR, where V is voltage, I is current and R is resistance, we can calculate the voltage in this scenario.

So, if the current is 3 amps and resistance is 10 ohms, we can plug in these values in the formula: V= 3A x 10Ω V= 30 volts

Therefore, the voltage in this scenario is 30 volts.

This means that in order to maintain a current of 3 amps through a resistance of 10 ohms, a voltage of 30 volts is required.

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The initial current is 2A, resistance is 2Ω, and inductance is 0.008H. The time for current decay to 1A is found to be around 2.1ms using the natural logarithm.

The current in an LR circuit can be modeled by the equation:

\(I(t) = I0e^{(-Rt/L)}\)

where I(t) is the current at time t, I0 is the initial current, R is the resistance, L is the inductance, and e is the mathematical constant e.

We are given that the initial current is 2.0 A, the resistance is 2 Ω, and the inductance is 8.0 mH (or 0.008 H). We want to find the time it takes for the current to decay to 1.0 A.

Substituting the given values into the equation, we get:

\(1.0 A = 2.0 A \times e^{(-2\Omega t/0.008H)}\)

Simplifying, we can divide both sides by 2.0 A and take the natural logarithm of both sides:

\(ln(0.5) = -2\Omega t/0.008H\)

Solving for t, we get:

\(t = -0.008H \times ln(0.5) / 2\Omega\)

Plugging in the given values, we get:

\(t \approx 0.0021 s\) or 2.1 ms

Therefore, it will take approximately 2.1 ms for the current to decay to 1.0 A.

In an LR circuit, the inductor resists changes in current, so when the switch is thrown and the current starts to decay, the inductor generates a back EMF that opposes the change in current. This causes the current to decay exponentially over time, as described by the above equation.

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There are two products of the addition of HBr to butadiene.

An addition reaction is a reaction in which a compound is added across the double bond. We must recall that the compound 1,3-butadiene is a conjugated double bond hence the final products are controlled by resonance effects.

The mechanism of the addition of HBr to 1,3-butadiene  is shown in the image attached to this  answer.

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Physical precipitation of gypsum due to the evaporation of seawater produces a chemical kind of sedimentary rock.

In contrast to the condenser, the evaporator absorbs heat from the compartment's air while converting refrigerant liquid to gas. Due to the reduced pressure and heat dissipation, the liquid refrigerant is much cooler than the fan air surrounding it when it reaches the evaporator.

Evaporites - shaped through evaporation of seawater or lake water. Produces halite (salt) and gypsum deposits through chemical precipitation because the awareness of solids will increase because of water loss through evaporation.

Evaporite rocks form when seawater or lake water dries up and precipitates gypsum (CaSO4·2H2O), halite (NaCl), or other minerals. Evaporites are chemical sedimentary rocks.

Precipitation of gypsum due to evaporation of seawater is a chemical type of sedimentary rock. The category is called evaporite, which forms after seawater dries.

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The acceleration of an object depends directly upon the net force acting upon the object, and inversely upon the mass of the object. As the force acting upon an object is increased, the acceleration of the object is increased. As the mass of an object is increased, the acceleration of the object is decreased.

Answer:

KE = 1/2 M V^2

V = (2 KE / M)^1/2 = (2 * 40 / .1)^1/2 = 28.3 m/s

The time required for a vehicle to travel 500m if it starts from rest and accelerates at 4.5m/s² is 14.9 s.

Given:

s = 500 m

a = 4.5 m/s²

u = 0

Acceleration is the rate at which velocity changes with time, in terms of both speed and direction. A point or an object moving in a straight line is accelerated if it speeds up or slows down.

If an object starts from rest then it's initial velocity would be zero however if it is already in motion then it does have an initial velocity of greater than zero.

According to the Kinematic equation

s = ut  + 1/2 at²

s = 0 + 1/2 at²

t² = 2s/a = (500 x 2 )/ 4.5 = 222.222 s²

t = 14.9 s

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Since object A and object B have the same mass and radius, we can plug in the values for I into the formula for VR and compare the two:

VR_A = √(2gh/((1/2)MR^2))
VR_B = √(2gh/(MR^2))

The speed of object B, a hollow cylinder of the same mass and radius as a solid cylinder, rolling down a ramp can be determined by the formula: VR = √(2gh). Where VR is the velocity of the object at the end of the ramp, g is the acceleration due to gravity, and h is the height of the ramp. Therefore, to get the speed of object B in meters per second, we must first calculate the acceleration due to gravity, then the velocity of the object at the end of the ramp.
The speed of object B at the end of the ramp can be determined using the formula for the velocity of a rolling object: VR = √(2gh/I), where g is the acceleration due to gravity, h is the height of the ramp, and I is the moment of inertia of the object.

For a solid cylinder, the moment of inertia is I = (1/2)MR^2, where M is the mass of the object and R is the radius. For a hollow cylinder, the moment of inertia is I = MR^2.

Since object A and object B have the same mass and radius, we can plug in the values for I into the formula for VR and compare the two:

VR_A = √(2gh/((1/2)MR^2))
VR_B = √(2gh/(MR^2))

Since the moment of inertia for object B is greater than the moment of inertia for object A, the velocity of object B at the end of the ramp will be less than the velocity of object A.

To find the numeric value of the velocity of object B at the end of the ramp, we would need to know the values of g, h, M, and R. Without these values, we cannot provide a numeric answer for the velocity of object B.

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Answer:

90

Explanation:

The portion where gas turns to liquid

Answer:

Image 4 ?

Explanation:

Answer:

Image 4

Explanation:

Took Test

When weighing chemicals on a balance, the term "tare" is used. Pressing the tare button enables you to record only the weight of the substance being measured, not the weight of the container it is being measured in.

Weighing by difference is automatically accomplished by tarring a balance. When a balance is tared with an object on the balance pan, the weight of the object is automatically subtracted from each reading up until the balance is re-tared or zeroed.

Testing a balance is crucial because you want an accurate result when you weigh an object. The calculations could all be off if a balance is not set to zero.

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Cells that innervate neuromuscular junctions originate from the central nervous system (CNS).

The central nervous system (CNS) is one of the two main parts of the nervous system, with the other being the peripheral nervous system (PNS). The CNS consists of the brain and spinal cord, which are responsible for receiving, processing, and sending information throughout the body.

The brain is the control center of the body and is responsible for cognitive functions such as thinking, memory, and decision-making. The spinal cord is responsible for transmitting information between the brain and the rest of the body, and for controlling reflexes.

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Answer:

After a male ejaculates, many sperms move to the upper vagina (via contractions from the vagina) through the cervix and across the length of the uterus, reaching the fallopian tubes. Here they will meet the egg cell ready to be fertilized

Answer:

Hello your question is quite Vague hence I will provide you with a general knowledge answer

answer :

Explanation:

Electricity is generated in electrolytes through the following steps :

Ions are electrically charged atoms that are either positive or negative ( i.e. lost or gained an electron )

Answer:

Explanation:

1.)acceleration= final velocity-initial velocity/time

90m/s-0m/s /3seconds

=30m/s^2

2.) distance= speed*time

90m/s*3seconds

=270m

The type of energy that is greatest at the top of a swing's path is potential energy.

At the top of a swing's path, the potential energy is the greatest. Potential energy is the energy stored in an object due to its position or condition. In the case of a swing, when it reaches the highest point in its trajectory, it has the highest potential energy.

As the swing moves upward, it gains height above the ground. The higher the swing is lifted, the greater the potential energy it possesses. This potential energy is a form of stored energy that can be converted into other forms, such as kinetic energy, as the swing starts to descend.

At the top of the swing's path, its potential energy is at its maximum because it has the maximum height above the ground. As the swing moves downward, the potential energy decreases, while the kinetic energy increases, reaching its maximum at the lowest point of the swing when the potential energy is at its minimum.

Therefore, at the top of the swing's path, the potential energy is the greatest, and as the swing descends, the potential energy is gradually converted into kinetic energy, resulting in a continuous interchange of energy throughout the swing's motion.

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The Young's modulus for a metal rod that is 6.00 m long, 0.530 cm² in cross-sectional area, and stretches 0.288 cm under a tension of 5000 N is 7.2 × 10¹⁰ N/m².

Young's modulus is a measure of a material's stiffness or resistance to elastic deformation under stress. It is calculated using the formula E = (F/A)/(ΔL/L), where F is the force applied, A is the cross-sectional area of the material, ΔL is the change in length, and L is the original length.

In this case, the force applied is 5000 N, the cross-sectional area is 0.530 cm², the change in length is 0.288 cm, and the original length is 6.00 m (which must be converted to cm).

So, E = (5000 N)/(0.530 cm²)/(0.00288 m)/(600 cm) = 7.2 × 10¹⁰ N/m². Therefore, the Young's modulus for this metal rod is 7.2 × 10¹⁰ N/m².

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Answer:Korotkoff Sounds. -tapping sounds created by turbulent blood flow in arm. -pressure is slowly being released from cuff, so systolic pressure is above that of the cuff, but diastolic is still below, so the artery opens in systole and collapses in diastole.

Explanation:

Answer:

Vertebrate zoology

Explanation:

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The values for the acceleration needed to complete the table are

We can complete the table by simply obtaining the acceleration where necessary. Details below:

Case 1

Net force = mass × acceleration

Acceleration = Net force / mass

Acceleration = 5 / 2.5

Acceleration = 2 m/s²

Case 2

Net force = mass × acceleration

Acceleration = Net force / mass

Acceleration = 2.32 / 12

Acceleration = 0.19 m/s²

Case 3

Net force = mass × acceleration

Acceleration = Net force / mass

Acceleration = 18.2 / 1.967

Acceleration = 9.25 m/s²

Case 4

Net force = mass × acceleration

Acceleration = Net force / mass

Acceleration = 0.87 / 21.2

Acceleration = 0.04 m/s²

Case 5

Net force = mass × acceleration

Acceleration = Net force / mass

Acceleration = 180 / 1.793

Acceleration = 100.39 m/s²

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Clear question:

See attached photo

Alpha Centauri is the closest star system and closest planetary system to Earth's Solar System at 4.37 light-years (1.34 parsecs) from the Sun.

rtu

\(\int\limits^a_b {x} \, dx\)

∑

Answer:

Current- the flow of free charges, such as electrons and ions

Drift velocity- the average speed at which these charges move

Answer:

An electric current is the stream of changed particals, such as electrons & ions, moving through an electrical conductor.

The average velocity attained bycharged partical ,such as electrons,in a material due to electric fields

Answer:

See explanation below

Explanation:

Work is said to be done when the force applied to an object cause the object to move through a distance. For work to be done by a body, this means that the body that the force is applied to must move over a distance, if not work has not been done.

For example work has not been done in carrying a bowl of water while remaining on a spot. Once you leave that spot, then we can say that work has been done.

Explanation:

26.676 × 10³ kg is the weight of the aluminum rod.

Given:

Length of cylindrical rod (h) = 45 cm

Diameter of a cylindrical rod = 4.53 cm

Radius of a cylindrical rod (r) = 2.3 cm

The density = 3.7*10^3kg/m^3

Volume of a cylindrical rod = πr²h

                                             = 3.14× (2.3)² × 45

                                             = 747.89 cm

                                             = 7.4789 m

To find weight ;

                         ρ = \(\frac{Mass}{Volume}\)                  ; ρ = Density

                        Mass = ρ × Volume

                                  = 3.7 × 7.48 × 10³

                                  =27.676 × 10³ kg

Therefore, the weight of the aluminum rod is 27.676 × 10³ kg.

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