8. Determine the wavelength of a 5000 kg rocket moving at 6800 m/s.

Usain Bolt's average speeds for each 10-meter section of his world record 100 m run in Berlin 2009 are as follows: 0.190 m/s, 0.186 m/s, 0.122 m/s, 0.122 m/s, and 0.120 m/s.

Usain Bolt's split times from his world record 100 m run in Berlin in 2009 is given below:Section / mTime / s50-601.890.990.90 60-700.860.83 70-800.820.83 80-900.820.83 90-1000.83To calculate Usain Bolt's average speed for each 10-meter section, we can use the formula :Average speed = distance/timeDistance for each section = 10mWe have the time for each section from the table above, thus we can find the average speed for each section:Section / mTime / sSpeed / m s-150-600.190 m s-160-700.186 m s-170-800.122 m s-180-900.122 m s-190-1000.120 m s-1In the table above, the average speed for each section of the 100 m distance is given in m s-1. Thus, Usain Bolt's average speed for the first 10m is 0.190 m s-1, for the second 10m, it is 0.186 m s-1, for the third 10m, it is 0.122 m s-1, for the fourth 10m, it is 0.122 m s-1, and for the last 10m, it is 0.120 m s-1.

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Answer:

C, cumulus your welcome :D

When the velocity of a particle moving along an axis is known, the instantaneous acceleration equal to zero is given as 0.6t.

We estimate the average speed between two places in time separated by t while allowing t to decrease. The outcome is the velocity function's derivative, v. (t).

The slope of the tangent line to the graph at any given location on the graph corresponds to the instantaneous acceleration there. The instantaneous acceleration of the particle is equal to 0 when this line is horizontal and has a slope of 0. According to the plot, these times correlate to the velocity function's extrema, which can be found at t = 1.75, 2.75, 3.25, and for all t = 4.

t = 0.6 is the most likely choice.

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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

Answer:

Momentum is conserved.

All of the others are not conserved because of heat loss caused by deformation, etc.

Answer:a

Explanation:

Answer:

The answer would be cause and effect.

Explanation:

If you change one factor and it effects the other that is a cause and effect relation.

Answer:

* if the two plates have the same charge sign       F_net = 0

*if one plate is positive and the other is negative   F_net = 59.4 N

Explanation:

The electric field created by a parallel plate is

           E = \(\frac { \sigma }{2 \epsilon_o }\)

where sigma is the charge density

          σ = Q / A

we substitute

           E = \(\frac{Q}{A \ 2 \epsilon_o }\)

           E = \(\frac{ 5.83 \ 10^{-8} }{7.34 \ 10^{-4}\ 2 \ 8.5 \ 10^{-12} }\)

           E = 4.487 10⁶ N / C

the electric force is

          F = E / q

in this force it is a vector, so if the charges are of the same sign they repel and if they are of the opposite sign they attract. In this case, the test load is between the two plates that have the same load sign, so the forces are in the opposite direction.

* if the two plates have the same charge sign

          F_net = F₁ - F₂

          F_net = q (E₁ -E₂)

since the electric field does not depend on the distance

           E₁ = E₂

in consecuense  

           F_net = 0

In a more interesting case

*if one plate is positive and the other is negative

           F_net = F₁ + F₂

           F_net = q (E₁ + E₂) = 2 q E₁

           F_net = 2 6.62 10⁻⁶  4.487 10⁶

           F_net = 59.4 N

net force goes from positive to negative plate

Answer:

59.4 N

Explanation:

acellus

Answer:

mental health is thoughts and emotional health is feelings they are both connected by the brain, like trauma it is emotional and mental

Answer:

Explanation:

Difference #1: Processing Information Versus Expressing Emotion

Part of mental health is how well your mind processes and understands information and experiences. In contrast, emotional health involves your ability to manage and express the emotions that arise from what you have learned and experienced.

Difference #2: One Can Thrive While the Other Struggles

An important distinction between mental and emotional health is that you can experience mental health issues while maintaining good emotional health, and vice versa. For example, while struggling with a

mental health problem like having little energy for daily tasks, you can still exhibit emotional health by finding effective ways to manage that lack of energy.

Difference #3: The Scope of the Two Terms

Mental health is not only about how well you understand and process what you experience. It also includes your ability to carefully reason through decisions and maintain a steady, focused attention span. The wide scope of mental health puts it in sharp contrast to emotional health, which has the more focused definition of actively understanding and managing your emotions.

similarities

Mental health gives some damage to the brain and so does emotional

They both lead you to depression

Answer:

True

Explanation:

Velocity is a vector quantity, which means that it carries both magnitude and direction. Hence when direction of a particle changes, although magnitude (speed) may remain same, it's velocity changes due to direction change. For ex. A particle is m... A particle is moving along x axis with speed 1m/s, it's velocity will be represented as 1i (i represents unit vector along x)

But if it now starts moving along y axis, it's velocity is 1j (j represents unit vector along y axis). Hence velocity changes with direction.

brainllest pls .

By being wary of these factors and following the recommended guidelines, you can ensure the safe and effective use of hemoconcentrators in medical procedures.

When using hemoconcentrators, it's essential to be cautious and consider a few factors to ensure their safe and effective use. Some things to be wary of with hemoconcentrators include:
1. Compatibility: Make sure the hemoconcentrator is compatible with your specific application and equipment to avoid any malfunctions or complications during the procedure.
2. Clotting risks: Hemoconcentrators can sometimes lead to increased blood clotting risks. Ensure appropriate anticoagulation measures are in place during the procedure to minimize this risk.
3. Flow rate: Be mindful of the blood flow rate through the hemoconcentrator. Exceeding the recommended flow rate could lead to hemolysis or other complications.
4. Sterility: Maintain a sterile environment and follow proper handling procedures to prevent contamination, which could potentially lead to infection.
5. Monitoring: Closely monitor the patient's vital signs, blood pressure, and fluid balance during the procedure to promptly identify and address any adverse reactions or complications.

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The speed of the ball just before its land on the 30 tall Tower is 39.08m/s.

The ball is thrown vertically upward with an initial vertical speed of 46 m/s the ball rises and falls to land on a 30 m tall Tower.

First letters find out the maximum height of the ball by using the formula,

H = u²/2g

Where, H is height, u is initial speed, g is acceleration due to gravity.

Putting values,

H = 46×46/(2×9.8)

H = 107.95 m.

Now when the ball reaches the maximum height and lands on the 30 metre tall Tower it covers a distance d of 77.95 m.

Now, using this distance we can find the speed of the ball just before it lands on the tower by using the formula,

V = √(2gd)

V = √(2×9.8×77.95)

V = √(1527.82)

V = 39.08m/s.

So, the speed of the ball just before it lands on the tower is 39.08m/s.

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Answer:

1 represents the electron flow

2 represents the load.

3 represents the voltage source.

4 represents the conductive path.

Explanation:

Ohm's law states that at constant temperature, the current flowing in an electrical circuit is directly proportional to the voltage applied across the two points and inversely proportional to the resistance in the electrical circuit.

Mathematically, Ohm's law is given by the formula;

\( V = IR\)

Where;

V represents voltage measured in voltage.

I represents current measured in amperes.

R represents resistance measured in ohms.

In an electrical circuit, there are various symbols used to represent different parameters or quantities as shown in the image attached above and these includes;

a. 1 represents the electron flow. This is a representation of the direction of flow of current.

b. 2 represents the load. This is the electrical appliance such as an electronic bulb that is being powered by the electrical circuit.

c. 3 represents the voltage source. This is typically a battery cell that provides the required amount of voltage for the circuit.

d. 4 represents the conductive path. This is the conductor that carries current from one point to another in the circuit such as copper.

In terms of increasing radius, the order of the three stars with the same surface temperature would be: Star C (main sequence star), Star A (giant star), and Star B (supergiant star). This order is based on the evolutionary stages of stars, where main sequence stars have a smaller radius compared to giant stars, and supergiant stars have the largest radius.

The radius of a star is closely related to its evolutionary stage and mass. Main sequence stars, like Star C, are in a stable phase of hydrogen fusion and have a relatively smaller radius. Giant stars, like Star A, have exhausted their core hydrogen fuel and expanded in size, resulting in a larger radius compared to main sequence stars. Supergiant stars, like Star B, are even more evolved and have significantly larger radii due to various processes occurring in their cores.

Therefore, the increasing order of radius for the three stars with the same surface temperature would be Star C (main sequence), Star A (giant), and Star B (supergiant).

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Myelin and larger diameter will lower the speed of propagation of an action potential .Myelin is a fatty substance that wraps around and insulates the axons of neurons. It acts as an electrical insulator, preventing the leakage of ions and enhancing the speed of signal conduction. When an axon is myelinated, the action potential "jumps" from one node of Ranvier (unmyelinated region) to the next, a process known as saltatory conduction. This allows for faster propagation of the action potential along the axon. Therefore, the presence of myelin increases the speed of propagation.

Low Temperature: Temperature can have an impact on the speed of propagation of an action potential. In general, lower temperatures tend to slow down the rate of chemical reactions and electrical conductivity. In nerve cells, lower temperatures can decrease the efficiency of ion channel function and ion movement across the cell membrane, leading to slower propagation of the action potential.
Larger Diameter: The diameter of the axon also plays a role in the speed of propagation. A larger diameter allows for a greater surface area, facilitating faster movement of ions and reducing resistance to electrical flow. This results in faster propagation of the action potential compared to axons with smaller diameters.
High Temperature: As mentioned earlier, temperature affects the rate of chemical reactions and electrical conductivity. Higher temperatures can increase the speed of ion channel function and ion movement, leading to faster propagation of the action potential.
In summary, myelination and larger axon diameter increase the speed of propagation, while low temperatures and high temperatures can decrease or increase the speed, respectively.

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For a Ford Fusion, the suggested tire pressure for the front and rear tires on a set of 18-inch wheels for 2019 Ford Fusion Energi Titanium tires is 32 psi (PSI).

The recommended pressure is typically displayed on a sticker inside the driver's door of newer vehicles. In most cases, the owner's handbook contains the specifications if there isn't a sticker on the door. When the tires are cold, most passenger cars advise 32 to 35 pressures in the tires.

In addition to hybrid ratings of 104 city MPGe and 91 highway MPGe, the 2019 Fusion Energi has gas mileage estimates of 43 city MPG and 41 highway MPG.

In the Ford Fusion Hybrid, the gasoline engine and braking are both used to partially replenish the battery. That entails filling the tank with fuel and starting the car. You can actually plug the Ford Fusion Energi into a power source.

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Answer:

pls mark as brainliest

Explanation:

Velocity and speed is constant

The combination of a uniform flow and a source can be used to describe flow around a streamlined body called a half- body. (see video v6.5.) assume that a certain body has the shape of a half-body with a thickness of 0.5 m. if this body is placed in an airstream moving at 15 m/s, The source strength is required to simulate flow around the body is (m)= 94.2 kg.

Force is a physical appearance that happen on a object of some amount of masses and then it changes it form and move a bit that called the force. It is a vector quantity. It can be measured in Newton, Dyne.

To calculate the source strength is required to simulate flow around the body we are using the formula here is,

v= m/2*π*b

Or, m= 2*π*b*v

Here we are given,

b=  The thickness of a certain body has the shape of a half-body = 2*r = 2* 0.5 = 1 m

v = The velocity of the object. = 15 m/s.

We have to calculate the values of the source strength is required to simulate flow around the body = m kg

Now we put the values in above equation we get,

m= 2*π*b*v

Or, m= 2*π*1*15

Or, m= 94.2 kg

so we can say that , The source strength is required to simulate flow around the body is (m)= 94.2 kg

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Answer:

Approximately \(2.69\; {\rm A}\).

Explanation:

Ensure that all values are measured in standard units. Charge should be measured in coulombs, while time should be measured in seconds:

\(\begin{aligned}t &= 3.0\; {\rm hr} \times \frac{3600\; {\rm s}}{1\; {\rm hr}} = 10800\; {\rm s}\end{aligned}\).

Electric current \(I\) is the rate of flow of electric charge.

In order to find the electric current, divide electric charge \(q\) by the time \(t\) required to transfer these charge. If charge \(q\!\) is measured in coulombs and time \(t\!\) is measured in seconds, the unit of current \(I\)would be amperes:

\(\begin{aligned}I & = \frac{q}{t} \\ &= \frac{29000\; {\rm C}}{10800\; {\rm s}} \approx 2.69\; {\rm A}\end{aligned}\).

To find the magnitude of the power delivered by the 6 A current source using the mesh-current method,

Step 1: Identify the mesh loops
Locate the mesh loops in the given circuit. A mesh loop is a closed conducting path in the circuit that does not contain any other closed paths.

Step 2: Assign mesh currents
Assign a current variable (such as I1, I2, etc.) to each mesh loop in the clockwise direction.

Step 3: Write mesh equations
Apply Kirchhoff's Voltage Law (KVL) to each mesh loop, summing the voltage drops across each element in the loop and equating the sum to zero.

Step 4: Solve for mesh currents
Solve the system of equations obtained in Step 3 to find the mesh currents' values.

Step 5: Determine the current through the 6 A source
Identify which mesh current(s) flow through the 6 A current source. Add or subtract the mesh currents as appropriate to find the total current through the 6 A source.

Step 6: Calculate the power delivered
Use the formula P = I² * R,

where P is the power, I is the current through the 6 A source, and R is the resistance of the current source.

Since current sources don't have a specified resistance,

the power delivered by the current source is P = VI,

where V is the voltage across the current source and I is the current through it.

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Since the three resistors are connected in parallel, the voltage across each resistor is the same, but the current flowing through each resistor may be different.

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

I = V/R

where I is the current in amperes (A), V is the voltage in volts (V), and R is the resistance in ohms (Ω).

We are given that the battery supplies 0.75 A of current. The total current flowing through the three resistors is therefore 0.75 A:

0.75 A = I1 + I2 + I3

where I1 is the current through the first resistor, I2 is the current through the second resistor, and I3 is the current through the third resistor.

We are also given that I1 = 0.25 A and I2 = 0.23 A. We can use these values to find I3:

0.75 A = 0.25 A + 0.23 A + I3

0.75 A - 0.25 A - 0.23 A = I3

I3 = 0.27 A

Therefore, the exact current flowing through the third resistor is 0.27 A.

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Using the concepts of motion, we got that 0.816m is the maximum vertical height the box will reach if its initial velocity at the bottom of the ramp is 4.0 m/s.

We use Newton`s third equation of motion,

v² -u²=2aS---------(eq1)

where

v is the final velocity, and u is the initial velocity and a is the acceleration of the object and S is the displacement of the object.

We know, that at the maximum height, final velocity will be =0

Acceleration will be acceleration due to gravity(g)=9.8m/sec² .

Putting the values in (eq1)

=>0-(4)² = 2×(-9.8)×S

=>2×9.8×S = 16

=>S = [(16)/(2×9.8)]

=>S = 8/9.8

=>S =0.816m

Hence, the the maximum vertical height the box will reach if its initial velocity at the bottom of the ramp is 4.0 m/s is 0.816m

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Answer:  Mass

Explanation:

Isooctane is the pure substance, while petrol is a mixture of different compounds.

Based on the given information, isooctane and petrol are being compared in terms of their boiling points. Isooctane, also known as 2,2,4-trimethylpentane, is a pure substance.

It is a hydrocarbon compound and is one of the primary components of gasoline (petrol).

Being a specific compound with a well-defined molecular structure, isooctane has a fixed boiling point, which in this case is stated as 99°C.

On the other hand, petrol refers to a mixture of various hydrocarbons, which can vary in composition depending on its source and the refining processes it undergoes.

Petrol is a complex mixture containing multiple compounds with different boiling points. The given range of boiling points, between 45°C and 95°C, suggests that petrol is composed of several components that vaporize at different temperatures.

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Answer:

14.035087719298246 ≈ 14 hours

Explanation:

just subtract the 4000 and the 11000 from 23000 which gives you 8000. And then divide that my 570

Option E is correct. The equivalent capacitance of the series combination of three capacitors with equal capacitance C connected to a battery of voltage V is C/3.

When capacitors are connected in series, the total capacitance is given by the reciprocal of the sum of the reciprocals of individual capacitances. In this case, since the three capacitors have equal capacitance C, the total capacitance (\(C_{eq}\)) can be calculated as:

\(1/C_{eq} = 1/C + 1/C + 1/C\)

Simplifying the expression:

\(1/C_{eq} = 3/C\)

Taking the reciprocal of both sides:

\(C_{eq} = C/3\)

Therefore, the equivalent capacitance of the series combination of three equal capacitors is C/3.

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The complete question is:

Fig. shows 3 capacitors, of equal capacitance C, connected to a battery of voltage V. What is the equivalent capacitance of this combination

A) 3 C

B) C/2

C) 3C/2

D) 2C/3

E) C/3

The equivalent capacitance of the combination depends on how the capacitors are connected. If they are connected in series, the equivalent capacitance can be calculated using the formula 1/(1/C1 + 1/C2 + 1/C3). If they are connected in parallel, the equivalent capacitance is the sum of the individual capacitances.

To find the equivalent capacitance of the combination shown in Fig., we need to consider the individual capacitors' connections. In this case, all 3 capacitors have the same capacitance C. If the capacitors are connected in series, their equivalent capacitance is given by the formula:
Cp = 1/(1/C1 + 1/C2 + 1/C3). If the capacitors are connected in parallel, their equivalent capacitance is simply the sum of the individual capacitances: Cp = C1 + C2 + C3.

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