in the definition of weight, w = mg, the mass m refers to an inertial mass. T/F

The net force on the block acting perpendicular to the incline is

∑ F = n - w cos(29.4°) = 0

where n is the magnitude of the normal force and w = m g is the weight of the block.

The equation itself comes from splitting up the forces acting on the block into components pointing parallel or perpendicular to the incline. The only forces acting on the block in the perpendicular direction are the normal force and the perpendicular component of the block's weight.

Solve for n :

n = m g cos(29.4°)

n = (6 kg) (9.80 m/s²) cos(29.4°)

n ≈ 51.2 N

0.000015 coulombs flow past the given point in the wire in 500 ms. In order to calculate the number of coulombs that flow past a given point in a wire, we need to use the formula:
Charge (in coulombs) = Current (in amperes) × Time (in seconds)

Given that the wire carries a constant current of 30 microamps (30 μA) and the time is 500 ms (0.5 seconds), we can substitute these values into the formula:
Charge = 30 μA × 0.5 s
To perform the calculation, we need to convert microamps to amps by dividing by 1,000,000:
Charge = (30 μA / 1,000,000 A) × 0.5 s
Simplifying the calculation, we have:
Charge = 0.00003 A × 0.5 s
Finally, we can multiply the values to find the charge in coulombs:
Charge = 0.000015 C
Therefore, 0.000015 coulombs flow past the given point in the wire in 500 ms.

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They both flow in currents. Water has a pump that works like a battery and pipes that work like a circuit.

Explanation

Step 1

free body diagram

so, for m1

m1= 10 kg

so,

and for m2

Step 2

now, replace in equaiotn (1) and solve for a

finally, replace in equation (2) to find Tension

I hope this helps you

boat velocity relative to the ground is = 11.18 Km/h.

Full solution in pic.

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Explanation:

v = u + at

25 = 75 + a * 5

25 = 75 + 5 a

a = 25 - 75/5

a = -50/5

a = -10m/sec^2

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Answer:

Power

Explanation:

Power is defined as the rate of doing work with reference to the time spent and the formula is force multiplied by velocity.

In this case, if two people lift identical stacks of books the same distance and one person does the job twice as fast, then it means the velocity in the case is doubled which will also lead to an increase in the Power .

The formula for power is Work divided by time taken, so P=W/T.

That case, involved power, since one of the people did work twice as fast, but, it was the same amount of work each person did, for the same distance (not exact distance, but usually the same)

Hello. You did not present the photos to which the question refers, which makes it impossible for your question to be answered. However, I will try to help you in the best possible way.

Your question informs us that the photos are of a star-forming molecular cloud. The molecular cloud has dust, especially when the star is forming. In this case, we must keep in mind that in photos taken in visible light, the dust is able to appear, especially in space, where this dust would not reflect light, unlike the star in formation. In this case, we can conclude that in the case of the photo taken in visible light, we could see the molecular cloud as a dark spot, due to the dust. However, it would not be possible to view it in a photo taken with infrared light.

Answer:

The bigger one. Ignoring air resistance, they will fall at the same speed, but the bigger one will hit first because it sticks out lower.

Explanation:

Answer:

\(2.8\; {\rm s}\).

Explanation:

The velocity of vehicle \(2\) relative to vehicle \(1\) is:

\(\begin{aligned}& \text{velocity of 2 relative to 1} \\ =\; & (\text{velocity of 2 relative to ground}) \\ &- (\text{velocity of 1 relative to ground}) \\ =\; & 33\; {\rm m\cdot s^{-1} - 28\; {\rm m\cdot s^{-1}} \\ =\; & 5\; {\rm m\cdot s^{-1}} && (\text{to the east})\end{aligned}\).

The displacement of vehicle \(2\) relative to vehicle \(1\) is currently \(0\; {\rm m}\). The rate at which this displacement increases is equal to the velocity of vehicle \(2\!\) relative to vehicle \(1\!\), which is \(5\; {\rm m\cdot s^{-1}}\).

Thus, it would take \((14 \; {\rm m}) / (5\; {\rm m\cdot s^{-1}}) = 2.8\; {\rm s}\) for this displacement to reach \(14\; {\rm m}\).

Answer:

y

Explanation:

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The magnitude of the electric field strength between the two parallel conducting plates is 75 V/cm.

What is magnitude?

The magnitude of a quantity refers to the size or amount of that quantity, regardless of its direction. For example, the magnitude of velocity is the speed at which an object is moving, regardless of the direction it is moving in. Similarly, the magnitude of electric field is the strength of the field, regardless of the direction of the field.

To calculate the electric field strength between the two parallel conducting plates, we can use the formula:

E = V / d

where E is the electric field strength, V is the potential difference, and d is the distance between the plates.

Given that the potential 6.0 cm from the zero volt plate is 450 V, we can use this information to calculate the electric field strength between the plates:

E = 450 V / 6.0 cm = 75 V/cm

So the magnitude of the electric field strength between the two parallel conducting plates is 75 V/cm.

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Directive decision making is used by leaders and CEOs of companies to make quick decisions without delay and hesitation for fast results.

Instead of seeking for further information from others, their conclusions are based on their own knowledge, experience, and reasoning. The benefits of this technique are speedy decision making, unambiguous ownership, and minimal additional communication.

This method of decision-making works effectively in circumstances that are stable and have recurring patterns and events. Save directive judgments for situations where there is an unambiguous and evident cause-and-effect link; in other words, where there is a collectively accepted correct response.

A leader's role is very important in directive decision making it does not have to be considered the thought of others in such scenarios and take action on his own responsibility office actions without consideration of what others might think.

Therefore, Directive decision making is used by leaders and CEOs of companies to make quick decisions without delay and hesitation for fast results.

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Directive decision-making style allows senior leaders to quickly act

What is decision-making that is directive?

They draw their findings from their own knowledge, experience, and reasoning rather than asking others for more information. This method has the advantages of rapid decision-making, clear ownership, and minimal extra communication.

In situations with predictable patterns and events, this approach of decision-making performs well. Avoid making directive decisions until there is a clear and obvious cause-and-effect relationship, or when there is a generally agreed-upon correct reaction.

The role of a leader is crucial in the process of making directed decisions; in such situations, he must act on his own initiative and without taking into account what others may think.

In order to make judgments quickly and without hesitation in order to get results quickly, leaders and CEOs of businesses employ the directive decision-making process.

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PERT (program evaluation and review technique) would help him determine how long this project is likely to take

PERT is a tool that project managers can use to determine the critical path, or the sequence of tasks that take the longest to finish a project.

PERT :

Each individual task needed to complete the project is listed on the program evaluation review technique (PERT) chart, which is a graphical representation of the timetable. The PERT chart is frequently chosen over the Gantt chart as a project management tool because it displays job dependencies. However, it might be more difficult to comprehend a PERT chart.

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Volum of bubble increases

Mass of gas is same

Destiny of gas in buble wil be. It joins to air

Answer:

The small car and the truck experience the same average force.

Explanation:

Here we need to remember two of Newton's laws.

The second one says that:

F = m*a

force equals mass times acceleration.

And the third one says that;

"If an object A exerts a force on object B, then object B must exert a force of equal magnitude and opposite direction back on object A"

From the third law, if the car experiences a force F due to the impact with the truck, then the truck experiences the same force F due to the impact.

But this seems odd, because we would expect to see the car being more affected by the impact, right?

Well, this is explained by the second law.

Suppose that the mass of the car is m, and the mass of the truck is M.

such that M > m

Then for the small car we have:

F = m*a

And for the truck:

F = M*a'

Because the force is the same for both of them, we can write:

m*a = M*a'

a = (M/m)*a'

because M > m, then M/m > 1.

This means that the acceleration that the car experiences is larger than the acceleration for the truck, and this is why we would see that the car seems more affected by the impact, regardless of the fact that both vehicles experience the same force in the impact.

Explanation:

she human activity for

To express the rate of climb of a mountain trail with no units, you can simply state it as a ratio or fraction: 1/8.33. This means that for every 8.33 units traveled horizontally, the trail ascends 1 unit vertically.

The rate of climb of 120 meters per kilometer can be expressed with no units as a ratio or fraction: 1/8.33. This ratio signifies that for every 8.33 units traveled horizontally (in any unit of distance), the trail ascends 1 unit vertically (in any unit of elevation). By removing the specific units (meters per kilometer), we create a dimensionless quantity that can be used universally. This allows for easier comparison and understanding of the rate of climb, regardless of the specific units used to measure distance and elevation.

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Answer:

Chemical changes cause a substance to change into an entirely substance with a new chemical formula.

Explanation:

Chemical changes are also known as chemical reactions. The “ingredients” of a reaction are called reactants, and the end results are called products.

if sufficiently high temperatures (R) are achieved in the laboratory, nuclear fusion (S) becomes a reality, and as a result, the world's energy problems (E) will be solved.

C=  Funding for nuclear fusion will be cut.

H =  Supply of hydrogen fuel is limited.

R = Sufficiently high temperatures are achieved in the laboratory.

S =  Nuclear fusion becomes a reality.

E = World's energy problems are solved.

We then represent the statements as:

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The number of bright interference fringes in the central diffraction envelope is 3.

To determine the number of bright interference, we need to understand the equation of first minima in the diffraction pattern, and the equation of angular locations of the double slit interference pattern.

For the equation of first minima in the diffraction pattern is:

\(W\)·\(Sin\)θ = \(m_{1}\)·λ

For the equation of angular locations of the double slit interference pattern is:

\(d\)·\(Sin\)θ = \(m_{2}\)·λ..... (1)

Here, W is single slit width while d is slit separation

Next, we need to determine the number of bright interference fringes in the central diffraction envelope.

For the first minima, \(m_{1} = 1\), then rewrite the equation (1) as follows.

=\(a\)·\(Sin\)θ = \(m_{1}\)·λ

=\(a\)·\(Sin\)θ = \(1\)·λ

=\(a\)·\(Sin\)θ = λ..... (2)

Then, from the equations (1) and (2)

\(=m_{2}=\frac{d}{w} \\=m_{2}=\frac{2w}{w}\\=m_{2}=2\)

Therefore, there are 3 bright fingers, 1 at the centre and 2 in each side.

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Explanation:

Estimate the number of times the earth will rotate on its axis during a human's lifetime. The answer is 3x10^4.

The melting of methane hydrates on the seafloor can lead to a sharp rise in global temperatures because methane is a powerful greenhouse gas. The statement is true.

Methane is a powerful greenhouse gas, with a global warming potential that is estimated to be about 25 times greater than that of carbon dioxide over a 100-year time horizon. Methane hydrates are solid, crystalline compounds that contain a large amount of methane gas trapped within water molecules. These hydrates are stable under certain temperature and pressure conditions, but if they become destabilized, they can release large amounts of methane into the atmosphere.

The melting of methane hydrates on the seafloor is a concern because it has the potential to release vast amounts of methane into the atmosphere, which could significantly contribute to global warming and climate change. This process could be triggered by rising ocean temperatures, changes in ocean currents, or other factors that alter the stability of the hydrates. While the exact extent and impact of this phenomenon are still uncertain, it is an area of active research and concern among climate scientists.

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Supernova 1987a demonstrated the creation of new elements by detecting the presence of radioactive isotopes that could only be formed through nuclear reactions occurring during the intense energy release of the supernova explosion.

Supernova 1987a provided evidence for the creation of new elements in supernova explosions through the detection of radioactive isotopes. When a massive star goes supernova, its core undergoes a cataclysmic collapse, leading to a powerful explosion. During this explosion, extreme temperatures and pressures trigger nuclear reactions, causing fusion and neutron capture processes. These processes generate heavy elements beyond iron, such as gold, platinum, and uranium. In the case of Supernova 1987a, the presence of radioactive isotopes, including nickel-56, cobalt-56, and titanium-44, was observed. These isotopes have short half-lives and can only be formed in the energetic environment of a supernova explosion, confirming the creation of new elements in such cosmic events.

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Answer:

Explanation:

Answer:

E-Community

Explanation:

edge 2021

Answer:

The answer would be option E- community

Explanation:

Hope this helped :)

edg 2022

Answer:

The centripetal acceleration, \(a_c = 1280 m/s^2\)

Explanation:

Centripetal acceleration is given by the formula:

\(a_c = \frac{v^2}{r}\)

Where the speed of the ball, v = 16 m/s

Length of the string, r = 0.2 m

Substituting these parameters into the centripetal equation above:

\(a_c = \frac{16^2}{0.2}\\a_c = \frac{256}{0.2}\\a_c = 1280 m/s^2\)

ANSWER

EXPLANATION

We want to find out how wings help a plane to fly.

The wings of an airplane are there to help lift the plane. They are shaped to make air move faster over the wings.

They are used for lifting, landing, turning and controlling the airplane. The curve on the wings make the air move faster than the air at the bottom of the wings which appropriates Bernoulli's principle to push the plane into the air.