recent observations seem to indicate that, rather than being a spiral galaxy, the milky way may be

Answer:

Jorge wanted to know where the apples were

Explanation:

Ya see, I don't want to explain, cuz I guessed. Also I'm on episode 499 of naruto so yeah

Answer:

B:Jorge wanted to know where the apples were.

Explanation:

Answer:In other words, with w = 130, W = 129.5, what is x?

You find this by plugging in the values for w, W and R and solving for x.

Note: x is the distance from the center. You were asked for the distance from the surface (the altitude) so there's one more calculation to do when you find x.

Explanation:

The reading on the scale is 882.6 N when the elevator accelerates upwards with an acceleration of 4.90 m/s².

Given that the mass of a person is 60.0 kg and the elevator accelerates upwards with an acceleration of 4.90 m/s², we have to determine the reading on the scale.

Let F be the force exerted by the scale on the person. Then, by Newton's second law of motion, the net force acting on the person is Fnet= m * a

where m = 60.0 kg is the mass of the person and a = 4.90 m/s² is the acceleration of the elevator. Hence, the net force acting on the person is given by;

Fnet = 60.0 kg * 4.90 m/s²

Fnet = 294.0 N

Therefore, the scale reading is equal to the force exerted by the scale on the person. Since the elevator is accelerating upwards, the force exerted by the scale on the person is greater than the weight of the person, which is the force of gravity acting on the person.

The force of gravity acting on the person is given by;

Fg = m * g, where g = 9.81 m/s² is the acceleration due to gravity. Hence, the force of gravity acting on the person is given by;

Fg = 60.0 kg * 9.81 m/s²Fg = 588.6 N

Therefore, the scale reading is given by the sum of the force of gravity acting on the person and the net force acting on the person;

F = Fg + Fnet

F = 588.6 N + 294.0 N

F = 882.6 N

Thus, the reading on the scale is 882.6 N when the elevator accelerates upwards with an acceleration of 4.90 m/s².

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The acceleration due to gravity on jupiter is 23 m/s². And the correct option is D. 23 m/s².

Acceleration due to gravity is the acceleration gained by an object due to gravitational force. Its SI unit is m/s².

To calculate the acceleration due to gravity on jupiter, we use the formula below.

Formula:

Where:

From the question,

Given:

Substitute these values into equation 1 and solve for g'

Hence, the acceleration due to gravity on jupiter is 23 m/s².

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The speed of the bullet, upon impact with the stationary wood block, that results in the block sliding 4.8 cm across the wood table with a coefficient of kinetic friction of 0.20, is approximately 5.21 m/s.

To determine the speed of the bullet, we can apply the principle of conservation of momentum. Initially, the wood block is at rest, so the momentum before the collision is zero. After the collision, the combined system of the bullet and the wood block moves with a common velocity.

The momentum before the collision is equal to the momentum after the collision:

(m_bullet)(v_bullet) = (m_bullet + m_block)(v_final)

Mass of the bullet, m_bullet = 11 g = 0.011 kg

Mass of the wood block, m_block = 12 kg

Displacement of the block, d = 4.8 cm = 0.048 m

Coefficient of kinetic friction, μₖ = 0.20

Using the principle of conservation of momentum:

(m_bullet)(v_bullet) = (m_bullet + m_block)(v_final)

Plugging in the values:

(0.011 kg)(v_bullet) = (0.011 kg + 12 kg)(v_final)

Simplifying:

0.011 kg(v_bullet) = 12.011 kg(v_final)

Dividing both sides by 0.011 kg:

v_bullet = 12.011(v_final)

Force of friction, f_friction = μₖ × (m_block × g)

Using the value of g (acceleration due to gravity) as 9.8 m/s², we can calculate the force of friction:

f_friction = 0.20 × (12 kg × 9.8 m/s²)

f_friction ≈ 23.52 N

The work done by friction is given by:

Work = force × distance = f_friction × d

Plugging in the values:

Work = 23.52 N × 0.048 m

Work ≈ 1.12896 J

Equating the work done by friction to the change in kinetic energy of the block:

1.12896 J = (1/2) × (m_block × v_final²) - (1/2) × (m_block × 0²)

Simplifying:

1.12896 J = (1/2) × (12 kg × v_final²)

Rearranging the equation:

v_final² = (2 × 1.12896 J) / (12 kg)

v_final² ≈ 0.18816 m²/s²

Taking the square root:

v_final ≈ √(0.18816 m²/s²)

v_final ≈ 0.434 m/s

Substituting the value of v_final back into the equation for v_bullet:

v_bullet ≈ 12.011 × (0.434 m/s)

v_bullet ≈ 5.21 m/s

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Answer:

none. 0. for work to be done the object has to have displacement, and even though you were exerting force, the box did not move and s work is o it could also be 50 but I'm sure it is 0

Explanation:

The efficiency of a 10 hp DC motor that draws 31 A at 300 volts is equal to 80 %.

The efficiency of a motor can be calculated from the ratio of the mechanical power output to the electric power input to the motor.

Given the horsepower of the DC motor = 10 hp

Conver the hp into watt:

1hp = 745.7 W

Output power = 10 hp = 10× 745.7 = 7457 W

Input power = 31 × 300 = 9300 W

The efficiency of the motor = Output/Input ×100

Efficiency = (7457/9300) ×100 = 80 %

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To answer this question, you need to understand the law of conservation of energy. Essentially, the law states that energy cannot be created or destroyed; it is always conserved.

Knowing this law, how can we answer this question? Well, let's look at what the question tells us. We know that Blackie was initially at the top of a refrigerator before rolling over and falling to the ground. At ground level, he only has Kinetic energy when he lands. Since we know that he started at the top of the fridge, we know that Blackie started off with potential gravitational energy.

That would make sense, right? Written out as an equation, it'd be:

\(U_{g}\) = \(K_{E}\)

This follows the law of conservation of energy, as all the potential gravitational energy is converted into Kinetic energy.

Now, we know what energies are converted. What can we do with it? Recall the equation of potential gravitational energy:

\(U_{g}\) = \(F_{g}\)∆H

\(U_{g}\) = mg∆H

Do you see it now? ∆H is the distance that Blackie falls, and since Blackie jumps from the fridge to the ground, ∆H must be the height of the fridge!

Let's start solving for ∆H:

\(U_{g}\) = \(K_{E}\)

Substitute potential gravitational energy with our equation:

mg∆H = \(K_{E}\)

We were given the value of Kinetic Energy:

mg∆H = 90

Isolate ∆H by dividing both sides by mg:

∆H = \(\frac{90}{mg}\)

Input values for 'm' and 'g' (m is the mass of Blackie and g is Earth's acceleration)

∆H = \(\frac{90}{6*9.80}\)

∆H = \(\frac{90}{58.8}\)

∆H = 1.53

The refrigerator is 1.53 meters tall.

And that's it! Let me know if you need me to explain anything I did here.

- breezyツ

subtract your age from 220

Explanation:

Explanation:

Pressure is defined as a Force over an

Area.

p=F/A

We can rearrange this to make the Force

the subject

F = p *A

The pressure is given as 1200 Pa.

We know a pascal is 1 Newton / Square

metre = N/m²

The area of a cube will be width * breadth

= 1.5 m * 1.5 m= 2.25 m²

So the force the cube is pushing down

with (its weight) is simply

F = p * A = 1200 N/m² * 2.25 m² = 2700 N

Weight is officialy defined as a force

measured in Newtons, but when we

talk about weight we often give it in

Kilograms (a unit of mass).

To get the weight in units of

Kilogram-force you must divide by the

gravitational acceleration =9.81 m/s²

2700 / 9.81 = 275.23 Kg

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Decrease in potential difference causes decrease in potential energy.

A dielectric produces an internal electric field when it is exposed to an electric field because the dielectric is polarized. The potential difference between the plates is caused by the internal electric field within the dielectric, which is in the opposite direction of the field between the plates of the capacitor. As a result, the effective electric field between the plates of the capacitor diminishes.

E = ΔV/Δr

Where, Δr = distance between plates, which is constant

Potential energy of a capacitor is;

U = (1/2)qΔV

Where, Charge is constant .

Therefore, potential energy U likewise drops as a result of the potential difference V being smaller.

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Answer:

normal force

tension force

and other example of force

Answer:

Monday        - Jog.

Tuesday       - Eat at a Salad Bar.

Wednesday   - Bike ride.

Thursday      - gym.

Friday          - Kale Smoothie.

Explanation:

When two waves interfere, the resulting displacement is determined by the principle of superposition, which states that the displacements caused by individual waves add up algebraically at each point of overlap. In the case of constructive interference, the waves are in phase, meaning their peaks and troughs align, resulting in an increase in the amplitude.

Here, we have a wave with an amplitude of 10 cm and another wave with an amplitude of 15 cm. To determine the maximum displacement that may result when they overlap, we need to consider the combined effect of their amplitudes. Since constructive interference occurs when the waves are in phase, the maximum displacement will be the sum of the individual amplitudes. Adding 10 cm and 15 cm yields a maximum displacement of 25 cm. Therefore, the maximum displacement that may result when the waves overlap is 25 cm. This signifies the peak combined effect of the two waves, resulting in a larger amplitude at specific points of overlap. i.e.,

the maximum displacement is given by:

Maximum displacement = Amplitude of Wave 1 + Amplitude of Wave 2

Maximum displacement = 10 cm + 15 cm

Maximum displacement = 25 cm

Therefore, the maximum displacement that may result when the two waves overlap is 25 cm.

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The approximate surface temperature of the star is 5796 Kelvin (K). Wien's law states that the wavelength of the peak radiation emitted by an object is inversely proportional to its temperature. This means that as the temperature of an object increases, the peak wavelength of its emitted radiation decreases. Therefore, if a star emits the most radiation at a wavelength of 500 nm, we can use Wien's law to estimate its surface temperature.

We can start by rearranging Wien's law equation to solve for temperature:

T = b / λmax

where T is the temperature, λmax is the wavelength of peak radiation (500 nm in this case), and b is Wien's displacement constant (2.898 x 10^-3 m*K).

First, we need to convert the peak wavelength from nanometers to meters:

λmax = 500 nm = 5 x 10^-7 m

Now, we can plug in the values and solve for the temperature:

T = (2.898 x 10^-3 m*K) / (5 x 10^-7 m)
T = 5796 K

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Answer:

distance and the amount of the force

Explanation:

moment = f x d

OE is the required direction. Option B

Generally, The resultant force is the overall force acting on an object, taking into account the magnitude and direction of all individual forces acting on it. It can be calculated by adding or subtracting the individual forces vectorially, taking into account their direction and magnitude.

The direction of the resultant force is the same as the direction of the net force acting on the object, and its magnitude is equal to the vector sum of all the individual forces acting on the object.

Like charges repel each other( law of electrostatics ) since the central charge is negatively charged, other charges will be

attracted to it,.

Hence the direction of the resultant electric field will be towards

-Q (OE)

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CAN SOMEONE IN THE COMMETS ON EDG HELP ME WITH THIS IM NOT DOING THIS 4 POINTS I ACTULLY NEED HELP AND STRUGGLING U GUYS CAN CAN PUT A 1.0 STAR I REALLY DONT CARE BUT CAN SOMEONE HELP PLZ

Chronometer movement is a term used to describe a type of watch movement that has been tested and certified to meet high accuracy standards. Chronometer movements are known for their precision and reliability, and are commonly found in high-end watches.

When it comes to choosing a watch, one of the most important features to consider is the movement, or type of mechanism that powers the watch. Specifically, a chronometer movement is one of the highest quality movements available, and it can make a huge difference in the accuracy and reliability of a watch. In this essay, we will discuss the benefits of a chronometer movement, and explain why having an accurate watch is so important.

One of the major benefits of a chronometer movement is its accuracy. Chronometer movements are tested and certified by the Official Swiss Chronometer Testing Institute (COSC) to meet extremely high accuracy standards. This means that watches with a chronometer movement can keep time with an accuracy of up to -4/+6 seconds per day, which is far more accurate than most standard movements. This accuracy ensures that the watch will keep time accurately, even when subjected to external factors such as temperature and pressure.

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Answer:

Homer and his friends made a miscalculation when they used a homemade rocket to try to launch a weather balloon.

The result of this miscalculation was that the rocket went off course and hit a power line, causing a power outage in the town.

When Homer and his buddies attempted to launch a weather balloon with a homemade rocket, they erred.

The 1999 American biographical drama film October Sky, starring Jake Gyllenhaal, Chris Cooper, Chris Owen, and Laura Dern, was directed by Joe Johnston.

The script by Lewis Colick, which is based on the memoir of the same name, depicts the true story of Homer H. Hickam Jr., a coal miner's son who, in spite of his father's objections, decided to pursue rocketry after the launch of Sputnik 1 in 1957. He later worked for NASA.

Based on the lives of four young men who grew up in Coalwood, West Virginia, October Sky is a novel.

Oliver Springs, Harriman, and Kingston in Morgan and Roane counties served as the location for the main shooting. The movie had a mediocre box office performance and excellent reviews.

Therefore, When Homer and his buddies attempted to launch a weather balloon with a homemade rocket, they erred.

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Answer:

Explanation:

lll

Answer:

Unbalanced

Explanation:

Hussein is pushing 2 N harder.

The lowest energy level of a certain quantum harmonic oscillator is 5.00 ev. The energy of the next higher level of the quantum harmonic oscillator is 10.00 ev.

The energy levels of a quantum harmonic oscillator are quantized, meaning that they can only exist at certain discrete energy values. The energy difference between these levels is given by the equation E = (n + 1/2)hν, where E is the energy of the level, n is the quantum number, h is Planck's constant, and ν is the frequency of the oscillator.  

In this case, we know that the lowest energy level has an energy of 5.00 ev. Using the equation above, we can solve for the energy of the next higher level by plugging in n = 1 (since we are looking for the next level), h = 4.136 × 10^-15 eV·s (Planck's constant), and ν = ? (unknown frequency).

Solving for E, we get:
E = (1 + 1/2)hν
E = 3/2 hν
Since we don't know the frequency, we can't solve for E directly. However, we do know that the energy of the next level must be twice that of the lowest level (since the energy difference between levels is constant). Therefore, the energy of the next level is:
E = 2 × 5.00 ev
E = 10.00 ev

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Relativistic quantum mechanics and nonrelativistic quantum mechanics are two different approaches to describing the behavior of particles at the quantum level. The main difference between the two is the consideration of special relativity in relativistic quantum mechanics, whereas nonrelativistic quantum mechanics only accounts for classical mechanics.

Nonrelativistic quantum mechanics applies to particles moving at relatively low speeds and is based on the Schrödinger equation, which describes the wave function of a particle. This approach does not consider the effects of time dilation or length contraction that arise in special relativity.

Relativistic quantum mechanics, on the other hand, takes into account the effects of special relativity, which is important when considering high-speed particles. This approach uses the Dirac equation, which describes the behavior of particles with spin. It also considers the fact that particles can be created and destroyed, which is not accounted for in nonrelativistic quantum mechanics.

Relativistic quantum mechanics is a more complete theory that takes into account the effects of special relativity, while nonrelativistic quantum mechanics is a simpler theory that is useful for describing the behavior of particles at low speeds.
The main difference between relativistic and nonrelativistic quantum mechanics lies in the incorporation of Einstein's special theory of relativity. Nonrelativistic quantum mechanics, often represented by Schrödinger's equation, works well for describing particles at low velocities compared to the speed of light. However, it does not account for relativistic effects that become significant at high velocities.

Relativistic quantum mechanics, on the other hand, takes into account the effects of special relativity. This is typically represented by the Klein-Gordon equation for scalar particles and the Dirac equation for particles with spin-½, like electrons. These equations accurately describe particle behavior at high velocities and incorporate the speed of light as a fundamental limit in the equations.

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Answer:

It has a mass of 5 kilograms

Explanation:

Kg is the unit of mass. So a 5kg object has a mass of 5kg. The weight you associate with it is only relevant on Earth (under its specific gravity)

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Answer:

Concave lens is also known as diverging lens because it diverge the parallel beam of light after reflect through it.

A sled sliding on a flat, icy surface with a constant velocity is best described by Newton first law for object in motion.

It should be noted that Newton has three different laws and each has a close relationship in everyday life with a force that can be calculated using the formula. Sir Isaac Newton discovered this theory, the three parts of the law are very influential on the force of a moving object.

As Newton's law itself is a law of motion which forms the basis of dynamics by formulating a force against the effect of motion on a particular object. This formula became known as Newton's 1st, 2nd and 3rd law. Because of his services which were considered very noble, Newton was honored with the title of Sir Isaac Newton.

When the resultant force acting on an object with a composition equal to zero, the object which was initially at rest will always remain at rest. Meanwhile, an object that has been moving in a straight line from the beginning, will always continue to move in a straight line at a constant speed.

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Answer:

B. Atoms are altered in both processes

Explanation:

Answer: B. Atoms are altered in both processes

Explanation:

Integrating the velocity equation, we will see that the position equation is:

\($f(t)=\frac{\cos ^3(\omega t)-1}{3}\)

Let the velocity of the particle is:

\($v(t)=\sin (\omega t) * \cos ^2(\omega t)\)

To get the position equation we just need to integrate the above equation:

\($f(t)=\int \sin (\omega t) * \cos ^2(\omega t) d t\)

\($\mathrm{u}=\cos (\omega \mathrm{t})\)

Then:

\($d u=-\sin (\omega t) d t\)

\(\Rightarrow d t=-d u / \sin (\omega t)\)

Replacing that in our integral we get:

\($\int \sin (\omega t) * \cos ^2(\omega t) d t$\)

\($-\int \frac{\sin (\omega t) * u^2 d u}{\sin (\omega t)}-\int u^2 d t=-\frac{u^3}{3}+c$\)

Where C is a constant of integration.

Now we remember that \($u=\cos (\omega t)$\)

Then we have:

\($f(t)=\frac{\cos ^3(\omega t)}{3}+C\)

To find the value of C, we use the fact that f(0) = 0.

\($f(t)=\frac{\cos ^3(\omega * 0)}{3}+C=\frac{1}{3}+C=0\)

C = -1 / 3

Then the position function is:

\($f(t)=\frac{\cos ^3(\omega t)-1}{3}\)

Integrating the velocity equation, we will see that the position equation is:

\($f(t)=\frac{\cos ^3(\omega t)-1}{3}\)

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Answer:

To control the speed of an electric motor without changing the voltage, you can send pulses of electricity to it. The faster and longer the pulses are, the faster the motor will spin. Alternatively, the voltage can be altered to speed it up or slow it down.

Explanation:

Answer:i would say measuring the speed of the tires

Explanation:

The constant G in Newton's equation makes the units of measurement consistent was measured by Newton shows gravity to be a relatively huge force produces equilibrium makes the units of measurement consistent.

The three fundamental laws of classical mechanics known as Newton's laws of motion describe how an object's motion and the forces acting on it interact.

Newton's first law, an object will not change its motion unless a force acts on it.

Newton's second law, the force on an object is equal to its mass times its acceleration.

Newton's third law, when two objects interact, they apply forces to each other of equal magnitude and opposite direction.

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