If an electron is detached from an atom, the atom is converted to a positive ion called a(n):________

Answer:

333N

Explanation:

=>First you have to find the mass of the asteroid.

so 882N÷9.8m/s²=90Kg

then,multiply it by Mars's gravity

=>90Kg*3.7m/s²=333N

Given equation is, y'' + 9y = F sin(wt)For the forced oscillator to exhibit resonance, the natural frequency (ω0) and the driving frequency (ω) must be equal, i.e., ω0 = ωThe natural frequency of the system is given byω0 = sqrt(k/m)Here, k is the spring constant, and m is the mass of the oscillator, and since no values are given for these quantities, we can take their values as 1.

Therefore,ω0 = sqrt(1/1) = 1.The forced frequency of the system is given byω = wLet us find the main answer,For this forced oscillator to exhibit resonance, w = 3. Explanation:Putting the values,ω0 = 1ω = wBy comparing both of them, we getw = ω0^2 = 1^2 × 3 = 3.The given forced damped oscillator equation is y'' + 9y = F sin(wt).For the forced oscillator to exhibit resonance, the natural frequency (ω0) and the driving frequency (ω) must be equal, i.e., ω0 = ω.The natural frequency of the system is given by ω0 = sqrt(k/m).

Here, k is the spring constant, and m is the mass of the oscillator, and since no values are given for these quantities, we can take their values as 1. Therefore, ω0 = sqrt(1/1) = 1.The forced frequency of the system is given by ω = w. By comparing both of them, we get w = ω0^2 = 1^2 × 3 = 3. Hence, the main answer is w = 3.

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C. the amount of money in your checking account

Answer:

The fly will travel 20 miles before the runners collide with each other.

Explanation:

Since the runners are both traveling at the same speed, they will meet and collide in the exact middle of each other which is 5 miles away from their starting point. Since they are traveling at 5 mph, it will take exactly one hour before they collide. The fly is going 20 mph so it will travel 20 miles before the runners collide in one hour.

Answer:

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If the emergency air line breaks or gets pulled apart while driving, the loss of pressure will cause the emergency parking brakes to activate automatically.

This is a safety mechanism designed to bring the vehicle to a stop and prevent it from moving any further. The emergency brakes are spring-loaded, which means they engage automatically when air pressure is lost.

Once the brakes are engaged, the vehicle will not be able to move until the air line is fixed and pressure is restored.

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Based on the above illustration, the required function is `x(t) = t²e⁻ᵗ / 2`.

Given: The equation is, `d²x/dt² + dx/dt = te⁻ᵗ`.

Required:

Find `x(t)` using Laplace Transforms.

Let us apply the Laplace transform to both sides of the equation.

d²x/dt² → s² X(s) - s x(0) - x'(0)dx/dt → s X(s) - x(0)x(0) is 0 as the object starts from rest.

Putting the given value, `d²x/dt² + dx/dt = te⁻ᵗ` in the Laplace transform of the equation, we get (s² X(s) - s x(0) - x'(0)) + (s X(s) - x(0)) = 1 / (s + 1)²

On solving the above equation for `X(s)`, we get `X(s) = 1 / (s + 1)³`

On taking the inverse Laplace transform, we get, `x(t) = t²e⁻ᵗ / 2`

Hence, the required function is `x(t) = t²e⁻ᵗ / 2`.

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Explanation:

damming of water which changes water flow, in turn could/does cause road/ property flooding

directly being related to water usage, if we have droughts(lack of rain) there we have less water to use for the power.

Environmental consequences

Limited Reservoirs

Answer:

he word that musicians use for frequency is pitch. The shorter the wavelength, the higher the frequency, and the higher the pitch, of the sound. In other words, short waves sound high; long waves sound low. ... In other words, it sounds higher

Explanation:

Answer: No

Explanation:

A chemical for formula is combined of atomic that is has a chemical compounds

Answer:

i- testing testing,, 1 2 1 2

Answer:

?

Explanation:

Did it work how you wanted?

Answer:

0.44 m/s^2

Explanation:

initial velocity = 0  (since the child starts from rest)

distance covered by the child = 2 m (the length of the slide)

time taken = 3 sec

acceleration of the child = ?

using Newton's equation of motion

s = \(ut + \frac{1}{2}at^{2}\)

where s is the distance covered by the child

u is the initial velocity

a is the acceleration

t is the time spent

substituting values, we have

2 = 0(3) + \(\frac{1}{2}a*3^{2}\)

2 = 9a/2

4  = 9a

a = 4/9 = 0.44 m/s^2

It takes more power for a helicopter to hover at the top of a high mountain than it does at sea level. This is because at higher altitudes the air is thinner, so the helicopter needs to spin its blades faster in order to generate enough lift to remain airborne.

The air density is lower at higher altitudes due to the decrease in atmospheric pressure. This reduction in air density means that there are fewer air molecules available for the helicopter's rotors to push down on, resulting in less lift being generated.

To maintain altitude, the helicopter needs to increase the speed of the rotors or increase the angle of attack, which requires more power. In contrast, at sea level, the air density is higher, which means that the helicopter's rotors can generate more lift with less power.

Therefore, to maintain a stable hover at the top of a high mountain, a helicopter needs to consume more power compared to hovering at sea level.

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The smallest perimeter of the rectangle is of value 150 cm.

Given:

The area of the rectangle, A = 1350 cm²

Calculation:

Let the length of the rectangle be 'x'

      the breadth of the rectangle be 'y'

We know that the area of a rectangle is given as:

A = (x) × (y)  

Applying values in the above equation we get:

xy = 1350 cm²

Factorizing the value of 1350, the possible values of length and breadth of the rectangle is as listed below:

x (cm)         y (cm)

1350      ×       1

675       ×       2

450       ×       3

270       ×       5

225       ×       6

150        ×       9

135        ×       10

90         ×       15

75         ×        18

54         ×        25

50         ×        27

45         ×        30         (least possible value)

Thus, the smallest perimeter of the rectangle can be calculated as:

P = 2 (x + y)

  = 2 (45 + 30)

  = 150 cm

Therefore, the smallest perimeter that the rectangle will have is 150 cm.

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Answer:

Explanation:

The acceleration of an object given it's mass and the force acting on it can be found by using the formula

\(a = \frac{f}{m} \\ \)

f is the force

m is the mass

We have

\(a = \frac{20}{4} = 5 \\ \)

We have the final answer as

Hope this helps you

Answer:

20 yards East

Explanation:

The question states he starts at the 50 yard line, and didn't imply that he'd ran for 50 yards already. Effectively, that said 50 yard would not count.

The question proceeded to saying he ran leftwards for 20 yards. This is the distance, or displacement that we would use as the first measurement. Running 20 yards in the Eastern direction.

The question then proceeded again, to saying he ran rightwards for another 40 yard. By so doing, he eclipsed the initial 20 yards he'd ran. And added few more yards..

40 - 20 = 20, meaning, he ran 20 more yards in the rightward direction.

Therefore, his displacement would be 20 yards to his right or say, Eastern direction.

Answer:

A. True it's right solids have a definite shape and volume.

The electron is accelerated through a potential difference of , so the kinetic energy gained by the electron is equal to its variation of electrical potential energy:

1/2mv²=eΔV

where

m is the electron mass

v is the final speed of the electron

e is the electron charge

is the potential difference

Re-arranging this equation, we can find the speed of the electron before entering the magnetic field:

v=√2eΔv/m=√2(1.6-10-19c)(790v)/9.1-10-31=1.66.10 m/s

Now the electron enters the magnetic field. The Lorentz force provides the centripetal force that keeps the electron in circular orbit:

evb=mv²/r

where B is the intensity of the magnetic field and r is the orbital radius. Since the radius is r=25 cm=0.25 m, we can re-arrange this equation to find B:

b=m/er =3.8.10 t

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n= log(Ra/Rt)/log(Imin/Imax) ;= log(0.05/0.357)/log(350/700)= 2.84

3 stages of starting resistances

A circuit's opposition to current flow is measured by its resistance. The Greek letter omega () stands for ohms, which are used to measure resistance. Georg Simon Ohm (1784–1854), a German physicist who examined the connection between voltage, current, and resistance, is the subject of the name "Ohm." Many parts have a set resistance value, including heating elements and resistors. In manuals or on nameplates of components, these values are frequently printed for reference.

If there is a tolerance listed, the measured resistance value must fall within the given resistance range. A issue is typically indicated by any appreciable change in a fixed-resistance value.

Although the word "resistance" may sound bad, it has positive uses in electricity. In an active circuit, resistance cannot be measured.

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A magnet is a substance that creates an unseen zone where other magnetic materials can experience a force (either attracted or repulsive).

A magnet is any item that generates its own magnetic field and interacts with other magnetic fields. A magnet has two poles, the north pole as well as the south pole. The magnetic field of a magnet is depicted by field lines that start at its north pole but stop at its south pole.

Most permanent magnets have iron, chromium, perhaps cobalt as their principal metals. Cobalt, nickel, and aluminum are combined to form the alloy known as Alnico.

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A) The wavelength of the laser beam: 10.6 μm

B) The frequency of the laser beam: 28.3 THz.

A) A carbon dioxide (CO2) laser operates in the infrared region, and its emission wavelength is determined by the rotational-vibrational transitions in the CO2 molecule. The wavelength of the laser beam can be calculated using the formula: λ = 2L / m

where λ is the wavelength, L is the cavity length, and m is the mode number.

Given a cavity length of 53.00 cm and operating in the m = 100,000 mode, we can substitute these values into the formula to calculate the wavelength:

λ = 2(53.00 cm) / 100,000

= 106 μm

= 10.6 μm (in scientific notation)

B) The frequency of the laser beam can be determined using the speed of light equation: c = λf

where c is the speed of light (approximately 3.0 × 10^8 m/s), λ is the wavelength, and f is the frequency.

Rearranging the equation, we can solve for the frequency:

f = c / λ

= (3.0 × 10^8 m/s) / (10.6 × 10^-6 m)

= 28.3 × 10^12 Hz

= 28.3 THz (in scientific notation)

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Answer: OD. Protons and neutrons

Explanation: They are both in the nucleus. The electrons are outside.

For destructive interference and a quiet tone at your location, the wavelength I would be 1.5 meters.

To determine the wavelengths at which you would hear the tone very loudly or quietly at your location, we need to consider the concept of interference between the two speakers. At your location, the two speakers are emitting the same single tone with a wavelength of 1. The distance between the two speakers is 5 - 3 = 2 meters. We can calculate the path length difference between the two speakers as follows:
Path Length Difference = Distance to Second Speaker - Distance to First Speaker

= 5 - 3

= 2 meters
For constructive interference, the path length difference should be an integer multiple of the wavelength, which results in a reinforcement of the sound waves. In this case, the wavelength I for constructive interference is given by:
Path Length Difference = n * λ
2 = n * 1
n = 2
So, for constructive interference and a loud tone at your location, the wavelength I would be 2 meters.
For destructive interference, the path length difference should be a half-integer multiple of the wavelength, which results in cancellation of the sound waves. In this case, the wavelength I for destructive interference is given by:
Path Length Difference = (n + 1/2) * λ
2 = (n + 1/2) * 1
n + 1/2 = 2
n = 3/2
Therefore, you would hear the tone very loudly at your location for a wavelength of 2 meters, and very quietly for a wavelength of 1.5 meters. The interference between the two speakers at your location determines the level of sound reinforcement or cancellation, resulting in the variation in loudness.

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Answer:

At neutron star density, the Earth's whole mass would fit inside a 305-meter-diameter sphere.

Explanation:

Answer:

By attaching directly to the bone.

Explanation:

Muscles pull on the joints, allowing us to move. They also help the body do such things as chewing food and then moving it through the digestive system. Even when we sit perfectly still, muscles throughout the body are constantly moving.

The α' (two-loop) equivalence of string equations of motion and the sigma model Weyl invariance conditions relates to the dependence of dilaton (d) and the antisymmetric tensor (b) fields.

In two dimensions, these fields appear in the combination of the Ricci curvature (R). Consequently, the relations between the two are dictated by the dilaton-gravity scaling of the two-dimensional action.

According to this scaling, the β-function left after the two-loop order should vanish; this requirement leads to the equivalence of the string equations of motion and the sigma model Weyl invariance conditions which in turn places constraints on the d and b fields. This completes the explanation of the α' (two-loop) equivalence of string equations of motion and the sigma model Weyl invariance conditions.

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Correct question is :

order α ′ (two loop) equivalence of the string equations of motion and the sigma model weyl invariance conditions: dependence on the dilaton and the antisymmetric tensor. explain.

According to the ideal gas law, PV = nRT, where P is pressure, V is volume, n is the amount of gas, R is the ideal gas constant, and T is temperature. Assuming constant temperature and pressure, the equation becomes V = nR/P. This shows that volume and amount of gas are directly proportional to each other. Therefore, the correct answer is a. They are directly related. An increase in the amount of gas will result in an increase in volume, and a decrease in the amount of gas will result in a decrease in volume, as long as the temperature and pressure remain constant.

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Answer:

A gallon of water would be a good household object to use for strength training.

Explanation:

Gallon jugs of water typically weigh around 8.3 lbs, which can provide a good amount of resistance for strength training exercises such as bicep curls, shoulder presses, and tricep dips. Additionally, the handle on the jug of water makes it easy to grip and use for various exercises. Cans of soup and boxes of tissues are generally too light to provide enough resistance for strength training, and a paperback book may not be sturdy enough to use for certain exercises.

When the projectile reaches a vertical velocity of zero, it will have reached its highest point. The velocity vector's vertical component will now point downward as it moves from this position.

Maximum Height, H: Maximum Height, H: The projectile's horizontal displacement, often known as its range, is influenced by the object's initial velocity. When the vertical component of velocity, vyvy, is equal to zero, an object's maximum height in a projectile trajectory occurs. The velocity of the bullet starts to slow down as it ascends since it is moving against gravity. The vertical velocity will eventually zero out, at which point the projectile will immediately begin to accelerate downhill due to gravity. The projectile starts to speed downward as soon as it reaches its maximum height.

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