If an earthquake wave having a wavelength of 13 km causes the ground to vibrate 10 times (1 point) each minute, what is the speed of the wave? 1.2 km/s 2.2 km/s
220 m/s
22 m/s

The metric system uses Celsius as the primary unit of measurement for temperature.

Nearly all nations in the world use the metric system as their official unit of measurement, which includes Celsius. The Celsius scale is used to measure temperature in most scientific disciplines. The freezing point of water is zero degrees Celsius, and the boiling point is one hundred degrees Celsius. By the middle of the 20th century, Celsius, the most widely used temperature unit in the modern metric system, had been adopted by the majority of the world. Anders Celsius, a Swedish astronomer, created the Celsius scale in 1742.

Most places in the globe measure temperature using the Celsius system (°C). The historical development of this empirical scale led to the definition of its zero point, 0 °C, as the freezing point.

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Our Milky Way formerly lived a life that was very eventful: between 13 and 8 billion years ago, it led a life of frenzied activity, merging with other galaxies and devouring a lot of hydrogen to create stars.

Maosheng Xiang and Hans-Walter Rix from the Heidelberg-based Max Planck Institute for Astronomy have recreated the tumultuous adolescence of our galaxy using fresh data.

The exact ages of 250,000 Milky Way stars have to be determined by the researchers in order to accomplish this.

A few more mergers with galaxies that were somewhat smaller than the Milky Way also occurred. They shook things up and produced the so-called star halo that surrounds the Milky Way disk.

Therefore, Our Milky Way formerly lived a life that was very eventful: between 13 and 8 billion years ago, it led a life of frenzied activity, merging with other galaxies and devouring a lot of hydrogen to create stars.

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Answer:

v = 61.54 km/h

Explanation:

The average speed of the car can be found by using the total distance covered by the car and the total time taken for that distance to be traveled. Therefore, the average speed of the car can be found by the following formula:

\(v = \frac{d}{t}\\\)

where,

v = average speed during the trip = ?

d = total distance driven by the car = 1200 km

t = time taken for the traveling = 19.5 hr

Therefore,

\(v = \frac{1200\ km}{19.5\ hr}\\\\\)

v = 61.54 km/h

A battery rating given in ampere-hours measures the total amount of charge the battery can deliver over time.

A battery rating given in ampere-hours (Ah) quantifies the total amount of charge a battery can deliver over a specific period of time. It represents the product of the battery's current (in amperes) and the duration of discharge (in hours) until the battery is depleted.

For example, a 5 Ah battery can supply a current of 1 ampere for 5 hours or 0.5 amperes for 10 hours before it is fully discharged. Ampere-hours provide a measure of a battery's capacity or energy storage capability.

This rating is commonly used for rechargeable batteries in various applications, such as automotive batteries, portable electronics, and renewable energy systems, allowing users to estimate the battery's performance and plan their usage accordingly.

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Answer:

The reason why you get the same answer when you enter cos(30°) and cos(-30°) into your calculator is because cosine is a periodic function, which means that the same value is repeated after a certain interval. In the case of cosine, the interval is always 360°, so cos(30°) and cos(-30°) are equivalent because they are both equal to 30° away from 0°. Therefore, they both have the same value, which is 0.5.

In Part A, setting the frequency much higher would result in shorter charging and discharging times, while setting it much lower would result in longer times. In Part B, the voltage of the capacitor would equal 1.0% of the initial value or maximum value after approximately 4.6 time constants.

When a square wave is applied to a capacitor, the analysis can still be applied by considering the average voltage of the square wave. The capacitor charges and discharges based on the average voltage it experiences over time, regardless of the specific shape of the waveform.

In Part A, the frequency of the square wave was set to 0.40 Hz based on the time constant of the RC circuit. The time constant is a measure of how quickly the capacitor charges or discharges. Setting the frequency to match the inverse of the time constant ensures that the capacitor has enough time to approach its maximum voltage during the charging phase and discharge significantly during the discharging phase.

If the frequency were set much higher, the time between each cycle of the square wave would be shorter. This would result in faster charging and discharging times for the capacitor, leading to smaller voltage changes during each cycle. On the other hand, if the frequency were set much lower, the time between each cycle would be longer. This would result in longer charging and discharging times, allowing the capacitor to reach higher voltages during each cycle.

In Part B, the time constant is again crucial in determining the discharge time of the capacitor. The voltage of the capacitor decreases exponentially over time during the discharge phase. After approximately 4.6 time constants, the voltage of the capacitor would equal approximately 1.0% of the initial value or the maximum voltage (Vo). This value is derived from the exponential decay equation for the discharge of a capacitor, where the voltage decreases to a small fraction of its initial value over multiple time constants.

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The complete question is:

Since you analyzed the charging of a capacitor for a DC charging voltage, how is it possible that you

can apply the analysis when a square wave is applied to the capacitor?

Write out your answer in a clear and well supported paragraph.

In Part A, (a) why did you set the frequency of the square wave to 0.40 Hz? (b) What would have

happened if you had set the frequency much higher? Much lower?

Write out your answer in a clear and well supported paragraph.

When discharging the capacitor as in Part B, how many time constants would it

take for the voltage to equal 1.0 % of the initial value or the maximum value Vo?

Explain how your arrived at your answer in a clear and well supported paragraph.

The force F1 is equal and opposite to the downward force thus, F1 is equal to 60 N. The force F2 is inclined to 30 ° from leftward force and it is equal to 38.97 N in magnitude.

Force is an external agent acting on a body to deform it or to change its state of motion or rest. Force is a vector quantity and it is characterised by its magnitude and direction.

If two forces acting on a body from the same directions, then the net force will be the sum of these two forces. If they are acting from opposite directions, they will cancel each other in magnitude.

The force F1 is equal and opposite to the force acting downward. Thus its magnitude is 60 N. The force F2 is inclined to 30 ° from horizontal direction.

F2 = 45 cos 30 = 38.9 N.

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From what I have seen, you do not take your step sis out of the washing machine, you ask her if she has games on her phone and play mine craft like a god obv.

Given data:

* The distance covered in the given case is 150 meters.

* The time taken to cover the distance is 18 seconds.

Solution:

In the case of uniform motion of the body, the average speed of the body is the ratio of distance traveled and time taken by the body.

Thus, the average speed of the given person is,

Thus, the average speed in m/s is 8.33 m/s.

The net force acting on the toy is 2N in the right direction.

Given,

F1= 8N

F2= 6N

Fnet = F1-F2

        = 8-6

Fnet = 2N

The direction of the force will be in the right direction.

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The force needed to start the crate sliding on a wooden floor when the coefficient of static friction is 0.40 is 7206.4 N. To find the force needed to start the crate sliding, we need to calculate the maximum force of static friction that can act on the crate.

This is given by the formula Fstatic = μs N where Fstatic is the maximum force of static friction, μs is the coefficient of static friction, and N is the normal force acting on the crate. The normal force is equal to the weight of the crate, which is given as 18016 N. Therefore, we can substitute these values into the formula:

Fstatic = 0.40 × 18016 N
Fstatic = 7206.4 N

This means that a force of 7206.4 N is needed to start the crate sliding on the wooden floor. If a force greater than this is applied, the crate will start to slide. Therefore, the force needed to start the crate sliding on a wooden floor is 7206.4 N.

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The force required to keep the sled from sliding down the inclined plane is 14.27 N.

To find the force required to keep the sled from sliding down the inclined plane, we first need to calculate the component of the weight acting parallel to the plane. This can be done using the formula:

Force parallel = Weight * sin(angle)

Given that the weight of the sled is 72 N and the angle of the plane is 20°, we can calculate:

Force parallel = 72 N * sin(20°) = 24.54 N

The force of static friction acts in the opposite direction of the force parallel, so it can be calculated as:

Force of static friction = Coefficient of static friction * Normal force

The normal force can be calculated using the formula:

Normal force = Weight * cos(angle)

Normal force = 72 N * cos(20°) = 67.97 N

Now, substituting the values into the formula, we have:

Force of static friction = 0.21 * 67.97 N = 14.27 N

Since the sled is at rest, the force of static friction is equal to the force parallel:

Force of static friction = Force parallel

Therefore, the force required to keep the sled from sliding down the inclined plane is 14.27 N.

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Answer:

20 m/s

Explanation:

First, we calculate for the acceleration down the incline using \(a = gsin\theta\).

a = (9.80)sin(20°)

a = 3.35

Then, we use one of the kinematics equations, \({v_{f}}^{2} = {v_{i}}^{2} + 2 a\Delta s\).

\(v_{i}\) = 0 m/s

a = 3.35

\(\Delta s\) = 62 m

\(v_{f} = \sqrt{2(3.35)(62)}\)

\(v_{f} =20.381 = 20 m/s\)

The image produced by a plane mirror is virtual, upright and is same sized as the object. And the image distance is same as the object distance.

Thus given statement is true.

#a

#b

#c

#d

\(\\ \sf\bull\dashrightarrow Avg\:speed=\dfrac{Total\:Distance}{Total\:Time}=\dfrac{30}{10}=3m/s\)

#e

\(\\ \sf\bull\dashrightarrow Avg\:Speed=\dfrac{50}{5}=10m/s\)

#f

\(\\ \sf\bull\dashrightarrow Avg\:Speed=\dfrac{50+30}{10+5}=\dfrac{80}{15}=5.3m/s\)

#g

#h

#i

#j

#k

#l

\(\\ \sf\bull\dashrightarrow Avg\:velocity=\dfrac{Total\:Displacement}{Time}=\dfrac{20}{15}=1.3m/s\)

Compositional layers of the earth are determined by their parts while on the other hand, the mechanical layers are determined by their physical characteristics.

The earth is made up of three different layers: the crust, the cape, and the core according to mechanical things, Earth's layers are the lithosphere, crust, lower mantle (also known as mesospheric mantle), outer core, and inner core, according to Phys.org

Starting at the center, Earth is calm of four distinct layers. They are, from gaping to shallowest, the inner core, the outer core, the mantle, and the crust. Earth's atmosphere has five major and some secondary layers. From lowest to highest, the major layers.

So we can conclude that The earth is made up of three dissimilar layers: the crust, the mantle, and the core.

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Kinetic energy is the kind of energy mentioned. The energy an object has as a result of its motion is known as kinetic energy.

Sound is a pressure density wave, whereas light is an electromagnetic wave. Sound must pass through a medium in order to be heard, but light does not. Sound energy is a continuous stream of energy on the scale while light energy is quantized into packets of energy called photons.

Sound is the longitudinal (compression or rarefaction) wave-based transfer of energy through materials. When a force causes an object or substance to vibrate, sound is created. That is to say, the substance serves as a conduit for the energy.

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The type of energy mentioned is kinetic energy. Kinetic energy is the energy that an object has as a result of motion.

Light is an electromagnetic wave, whereas sound is a pressure density wave. Light does not require a medium for transmission, but sound must. On the scale, sound energy flows continuously, whereas light energy is quantized into units of energy called photons.

The longitudinal wave-based transport of energy through materials is known as sound. Sound is produced when a force causes an item or substance to vibrate. In other words, the substance acts as a conduit.

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____________ energy the energy of motion, observable as the movement of an object or subatomic particle. Every moving object and particle have this energy. A person walking, a soaring baseball, a crumb falling from a table and a charged particle in an electric field are all examples of this energy at work.

What type of energy is described above? A. sound energy B. light energy C. heat energy D. kinetic energy

Answer: she will do double the work

Explanation:

100N×200m= 20000

Force applied by the girl is 100 Newtons

Displacement is twice :

\( \large \boxed{ \mathrm{work \: \: done = f \times d}}\)

_____________________________

\(\mathrm{ \#TeeNForeveR}\)

Answer:

It demonstrates that the narrator is surrounded by nature.

Explanation:

Walt Whitman's "Crossing the Brooklyn Ferry" is a free verse poem written about the speaker's return trip on a ferry. He talks about his daily commute on the Brooklyn ferry, like the other commuters, and how they all share the same experience.

The given lines are from the very first stanza of the poem. The speaker repeats "face-to-face" when talking about nature. He sees the "flood-tide below" and the "clouds" high in the sky. This repetition demonstrates that he is surrounded by nature, amidst the throng of people around him. This shows the speaker's attitude of seeing the beauty of nature in any way he can, despite the bustle of commuting from Brooklyn to Manhattan.

Thus, the correct answer is the second option.

Answer:

B

Explanation:

edge 2023

Answer:

I = 7.826A

R = 29.38 Ω

Explanation:

First, let us find the current of the microwave.

Let us use the below formula for that.

Power = Voltage × Current

Current = Power ÷ Voltage

             = 1800w ÷ 230v

             = 7.826 A

And now let us find the resistance using the below formula.

Voltage = Current × Resistance

Resistance = Voltage ÷ Current

                   = 230V  ÷ 7.826A

                    = 29.38 Ω

Answer:

a = 5 [m/s²]

Explanation:

To solve this equation we must use the following equation of kinematics.

\(v_{f} =v_{o} +a*t\)

where:

Vf = final velocity = 25 [m/s]

Vo = initial velocity = 5 [m/s]

a = acceleration [m/s²]

t = time = 4 [s]

Note: The positive sign for the acceleration in the above equation means that the car is increasing its velocity.

25 = 5 +a*(4)

25 - 5 = 4*a

20 = 4*a

a = 5 [m/s²]

Answer:

P₁ = 1.0 atm

V₁ = 35 L

P₂ = 0.75 atm

Formula:

P₁V₁ = P₂V₂

Solution:

P₁V₁ = P₂V₂

V₂ = P₁V₁ / P₂

V₂ = (1.0 atm)(35 L) / 0.75 atm

V₂ = 47 L

Final Answer:

V₂ = 47 L

Answer:

Battery Voltage

Explanation:

Voltage refers to the amount of electrical potential your battery holds. The standard automotive battery in today's vehicles is a 12-volt battery. Each battery has six cells, each with 2.1 volts at full charge. A car battery is considered fully charged at 12.6 volts or higher. hope this helps you :)

Answer:

3 V

Explanation:

e d g e n u i t y

Answer:

distance and length are the same quantity

The most common coordination numbers for ceramic materials are 6 and 8(D).

Coordination number refers to the number of nearest neighbors that surround a central atom or ion in a crystal lattice. Ceramic materials are typically composed of ionic compounds, where positive and negative ions are arranged in a regular, repeating pattern.

The coordination number depends on the ratio of the ion sizes and the arrangement of ions in the crystal structure.

In the case of ceramic materials, the most common coordination numbers are 6 and 8. A coordination number of 6 corresponds to an octahedral arrangement, where each central atom/ion is surrounded by six neighboring atoms/ions.

This coordination number is commonly observed in structures like perovskites (ABO3), where A ions are coordinated by six oxygen ions.

A coordination number of 8 corresponds to a cubic arrangement, where each central atom/ion is surrounded by eight neighboring atoms/ions. This coordination number is observed in structures like fluorite (CaF2), where calcium ions are coordinated by eight fluoride ions.

Therefore, the most common coordination numbers for ceramic materials are 6 and 8(D).

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The speed of the combined mass (putty plus target) after the collision is 3.0 m/s.

To solve this problem, we can use the law of conservation of momentum, which states that the total momentum of a system before a collision is equal to the total momentum after the collision.
Before the collision, the momentum of the putty is given by:

p1 = m1v1
where m1 is the mass of the putty (0.050 kg) and v1 is its speed (12.0 m/s).
The momentum of the target is zero, since it is initially at rest.

After the collision, the putty and the target stick together and move with a common velocity v2. The total mass of the system is:
m2 = m1 + M = 0.050 kg + 0.150 kg = 0.200 kg

Using the law of conservation of momentum, we have:
p1 = p2
m1v1 = (m1 + M)v2

Substituting the given values, we get:
0.050 kg x 12.0 m/s = (0.050 kg + 0.150 kg) x v2
0.6 kg m/s = 0.200 kg x v2

v2 = 0.6 kg m/s / 0.200 kg
v2 = 3.0 m/s
Therefore, the speed of the combined mass (putty plus target) after the collision is 3.0 m/s.

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When he swings a rubber bung around his head on a string, the centripetal force is caused by the tension in the string.

When an object travels in circular path, a force which makes an object to continue to move in circular motion is the centripetal force which is directed towards the center of the path.

Thus, When he swings a rubber bung around his head on a string, the tension force is developed in the string which is in turn balanced by the centripetal force.

Thus, the centripetal force is caused by the tension in the string.

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The formula for torque, represented by the letter τ (tau), is τ = F × r × sin(θ), where F is the force applied, r is the radius at which the force is applied, and θ is the angle between the force vector and the lever arm.

Here, the given force F = 30 N and the radius r = 2.00 m.

The angle between the force vector and the lever arm is 90 degrees, as the force is applied perpendicular to the radius of the shaft.

So, the torque can be calculated as follows:

τ = F × r × sin(θ)

τ = 30 N × 2.00 m × sin(90°)

τ = 60 Nm

Therefore, the torque on the shaft is 60 Nm.

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Answer:

The correct option is:

O add the numbers from the three sliders to determine the mass of an object