23) When an earthquake occurs,________ is the amour of energy released

A.) intensity
B.) magnitude
C.) seismogram
D.) force

The battery would have approximately 4.68 x 10^20 electrons flow through it per minute when connected to a 1.20 ohm bulb.

To calculate the number of electrons that flow through the circuit per minute, we need to use the formula:
I = V/R
where I is the current, V is the voltage of the battery, and R is the resistance of the bulb.

In this case, the voltage of the battery is 1.5V, and the resistance of the bulb is 1.20 ohms. Plugging these values into the formula, we get:
I = 1.5V / 1.20 ohms
I = 1.25 amps

Now, we need to convert this current to the amount of electrons that flow through the circuit per minute. To do this, we need to use the formula:
n = I*t/q

where n is the number of electrons, I is the current, t is the time in seconds, and q is the charge of an electron (which is 1.602 x 10^-19 coulombs).

We can convert the time from minutes to seconds by multiplying by 60. So, if we assume that the battery is connected to the circuit for one minute, we can calculate the number of electrons as:
n = 1.25 amps * (60 seconds) / (1.602 x 10^-19 coulombs)
n = 4.68 x 10^20 electrons

Therefore, the battery would have approximately 4.68 x 10^20 electrons flow through it per minute when connected to a 1.20 ohm bulb.

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Answer: Most aerobic and strength training programs cause your muscles to contract and tighten. So stretching after you exercise helps optimize the range of motion about your joints and boosts circulation.

Hope this helps!

depicts two negative charges balloons hanging from the ceiling via insulated cords. diagrams displaying the tension force in free bodies

Will there be a fee for this?

To demand payment from someone for a service you are providing for them or something you are offering to them is both intransitive and transitive. most clubs levie a fee for the privilege of using their tennis courts. You would be charged a little price for lodging and food. charge someone for something.

Which two categories of charges are there?

Positive charge, as shown by protons, and negative charge are the two different types of control (exhibited by electrons). The electromagnetic force becomes more complex as the charges move, according to Coulomb's law, which defines the electric forces among particles.

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The forces provided by the support will have to increase proportionally to the weight or force of the painter acting downward.

Balanced forces are forces that are equal but oppositely directed in their line of action.

When forces are balanced, there is no net movement of the object that the forces are acting upon.

The uniform plank is balanced by the supports.

When the painter stands on the plank, the force of gravity or the weight of the painter acts downwards.

In order for the forces to be balanced, the forces provided by the support increase according to the third law of motion which states that action and reaction are equal and opposite.

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Answer:

0.45  [m/s²].

Explanation:

1) formula of the required acceleration is (V-final velocity, V₀-initial velocity, t-elapsed time):

\(a=\frac{V-V_0}{t};\)

2) according to the formula above:

a=(12-3)/20=0.45 [m/s²].

The potential difference between the plates of a capacitor changes when a dielectric is inserted between the plates because the permittivity of the dielectric is greater than that of air, which increases the capacitance of the capacitor and decreases the potential difference.

When a dielectric material is inserted between the plates of a charged air-filled capacitor, the potential difference between the plates changes. This is because the dielectric material affects the capacitance of the capacitor, which is the ability of the capacitor to store charge. The capacitance of a parallel-plate capacitor is given by the equation C = εA/d, where ε is the permittivity of the medium between the plates, A is the area of the plates, and d is the distance between the plates. The permittivity of a dielectric material is greater than that of air, so when the dielectric is inserted between the plates, the capacitance of the capacitor increases. Since the charge on the plates remains constant, increasing the capacitance of the capacitor decreases the potential difference between the plates according to the equation Q = CV, where Q is the charge on the plates, C is the capacitance, and V is the potential difference between the plates. Therefore, when a dielectric is inserted between the plates of a charged air-filled capacitor, the potential difference decreases.

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Answer:

Movement skills in square dancing transfer to ballroom dancing when they both require you to dance in a rhyme.

Explanation:

Answer: The mass when it returns to equilibrium position V=d√(k/m)

Reason:

The mass of the spring is set into simple harmonic motion at the equilibrium position A mass attached to a spring is free to oscillate, with angular velocity ω, in a horizontal plane without friction or damping. It is pulled to a distance X0 and pushed towards the centre with a velocity V0 at time t = 0.

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The initial current is 2A, resistance is 2Ω, and inductance is 0.008H. The time for current decay to 1A is found to be around 2.1ms using the natural logarithm.

The current in an LR circuit can be modeled by the equation:

\(I(t) = I0e^{(-Rt/L)}\)

where I(t) is the current at time t, I0 is the initial current, R is the resistance, L is the inductance, and e is the mathematical constant e.

We are given that the initial current is 2.0 A, the resistance is 2 Ω, and the inductance is 8.0 mH (or 0.008 H). We want to find the time it takes for the current to decay to 1.0 A.

Substituting the given values into the equation, we get:

\(1.0 A = 2.0 A \times e^{(-2\Omega t/0.008H)}\)

Simplifying, we can divide both sides by 2.0 A and take the natural logarithm of both sides:

\(ln(0.5) = -2\Omega t/0.008H\)

Solving for t, we get:

\(t = -0.008H \times ln(0.5) / 2\Omega\)

Plugging in the given values, we get:

\(t \approx 0.0021 s\) or 2.1 ms

Therefore, it will take approximately 2.1 ms for the current to decay to 1.0 A.

In an LR circuit, the inductor resists changes in current, so when the switch is thrown and the current starts to decay, the inductor generates a back EMF that opposes the change in current. This causes the current to decay exponentially over time, as described by the above equation.

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Answer:

Explanation:

When a space ship is accelerating in space, there is a force known as Inertia that kicks in. Inertia will mirror the effects of gravity on the ship even if there is no gravitational field effect such that anything that would happen where there is gravity, would continue to happen.

This means that apples will fall from trees, people's feet will touch the ground, sky divers will be pulled downwards and balls will bend downwards when thrown as well. These are the same effects expected on earth where gravity pulls things towards the earth's core.

Answer:

B,C,D,E

apples falling from trees

people’s feet touching the ground

sky divers moving toward the ground  

balls bending downward after being thrown

correct on EDGE2021

The new g = 3.16 m/s².

11 oscillations in 18.5 s

The duration of an oscillation is referred to as the time period.

T = 18.5 / 11 = 1.68 s

mass, m = 200 g = 0.20 kg

Δx = 22.8 cm = 0.228 m

ω = 2π / T = (2 x 3.14) / 1.68 = 3.73 rad/s

\(\omega =\sqrt{\frac{K}{m}}\)

Where, K is the spring constant

K = ω² m = 3.73 x 3.73 x 0.20 = 2.78 N/m

Now, mg = K Δx

0.20 x g =2.78 x 0.228

g = 3.16 m/s²

A sine wave—a wave with everlasting motion like the side-to-side swing of a pendulum or the up-and-down action of a spring with a weight—is an example of an oscillation. An oscillation is a periodic motion that repeats itself in a regular cycle. Around an equilibrium point or mean value, an oscillating movement takes place.

Free, damped, and forced oscillation are the three basic types of oscillation. A body is said to be oscillating freely when it vibrates at its own frequency.

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41kg object that is moving east at 5 m s

Answer:

41kg object that is moving east at 5 m s

Explanation:

To determine the resistance in SI units that you need to set the cycle ergometer to, given that you want to have a subject exercise at 125 watts with an RPM of 60 for 3 minutes, follow the steps below:

Step 1: Determine the energy used in Joules during the 3 minutes at 125 watts.

P = W / tWhere:

P = power (125 watts)t = time (3 minutes converted to seconds

= 3 × 60 = 180 seconds)

W = energy used in Joules (to be determined)

Substituting the given values:

P = W / t125

= W / 180W

= 125 × 180W

= 22,500 Joules

Step 2: Determine the work done (in Joules) per revolution (360 degrees).

Work done per revolution = energy used in Joules / number of revolutions per minute / 60

Where:number of revolutions per minute = RPM / 60

Substituting the given values:

Work done per revolution = 22,500 / (60 / 60) / 360

Work done per revolution = 22,500 / 1 / 360

Work done per revolution = 22,500 × 360

Work done per revolution = 8,100,000 Joules

Step 3: Determine the torque needed to perform one revolution (360 degrees) of the pedals in SI units (N-m).Torque = work done per revolution / (2 × π)

Where:

2 × π = 6.2832

Substituting the given values:Torque = 8,100,000 / 6.2832

Torque = 1,288,684.08 N-m

Step 4:

Determine the resistance (force) needed at the pedals in Newtons (N) to produce the required torque.Resistance = Torque / pedal radius

Where:pedal radius = 0.175 m (average for a cycle ergometer)

Substituting the given values:

Resistance = 1,288,684.08 / 0.175

Resistance = 7,358,971.89 N (Newtons)

Therefore, you would need to set the resistance to 7,358,971.89 N (Newtons) on the cycle ergometer to achieve the desired subject exercise at 125 Watts with an RPM of 60 for 3 minutes.

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(a) Kepler's Third Law can be expressed as an equation: T² = k * d³, where T is the period of a planet, d is its average distance from the sun, and k is the constant of proportionality.

(b) To find the constant of proportionality, we can use the values for Earth's period and average distance. Given that the period of Earth is approximately 365 days and the average distance is about 93 million miles (93 × 10⁶ miles), we can substitute these values into the equation:

365² = k * (93 × 10⁶)³

Simplifying the equation and solving for k:

k = (365²) / (93 × 10⁶)³

(c) To find the period of Neptune, which is about 2.79 × 10⁹ meters from the sun, we can use the equation from part (a) and the value of k obtained in part (b):

T² = k * d³

T² = [(365²) / (93 × 10⁶)³] * (2.79 × 10⁹)³

Taking the square root of both sides to find T:

T = √{[(365²) / (93 × 10⁶)³] * (2.79 × 10⁹)³}

Evaluating this expression will give us the period of Neptune.

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Answer:

i think its B

Explanation:

i found the answer on another website hope its the right answer :)

Answer:

the answer to this question will be False

Answer:

false.......,.....,...........

The y-component of the force on the particle at the given position is 120 N.

The electric force on the particle is determined by applying Coulomb's law and work-energy theorem as shown below;

Fd = W

Where;

F = W/d

F = 60/0.5

F = 120 N

Thus, the y-component of the force on the particle at the given position is 120 N.

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No option , The curler apply to the stone to bring it up to speed is  42.85 N.

F = 20*3/1.4 = 42.85 N

3 *3 = 2*u*9.8*40

u = 0.0114

Despite their similarities, distance and displacement have very different meanings, as do speed and velocity. Speed, a scalar quantity, describes "how quickly an object is travelling." You can think of speed as the rate at which an object travels a distance. An object moving quickly has a high speed and travels a fair distance in a brief period of time. In contrast, a slow-moving object travels a comparatively short distance in the same amount of time because of its low speed. Zero speed refers to an object that is completely stationary.

[Speed = Distance Time] is the general formula for calculating an object's speed. The SI speed unit is m/s.

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Answer:

Light energy

Explanation:

This happens by means of chlorophyll combining with the carbon, from carbon dioxide, and the hydrogen and oxygen, from water, to form carbohydrates

Answer:

      ΔU = - 9,179 10-11 J

Explanation:

For this exercise the two basketballs are linked by gravitational interaction, so we can use gravitational energy

               U = - G m₁m₂ / R

In this case the mass is equal and the initial distance is r₁ = 19 cm = 0.19 m

               U₁ = - G m² / r₁

let's calculate

              U₁ = - 6.67 10⁻¹¹ 0.55² / 0.19

              U₁ = - 10,619 10⁻¹¹ J

when its centers are separated it is at r₂ = 1.4 m

              U₂ = - 6.67 10⁻¹¹ 0.55² / 1.4

              U₂ = - 1.44 10-11 J

the energy between these two points is

          ΔU = U₂ - U₁

          ΔU = (-1.44 +10.619) 10-11

          ΔU = - 9,179 10-11 J

The probability of getting exactly 458 girls in 885 births is approximately 0.0084, the probability of getting 458 or more girls in 885 births is 0.8678,

here n = 885, p = probability of getting a girl = 1/2, q = probability of getting a boy = 1/2

Probability of getting exactly 458 girls in 885 births.

The number of girls follows binomial distribution with n = 885 and p = 1/2.

So, using probability mass function for binomial distribution, we get

P(X = 458) = 885C458 (1/2)458(1/2)427≈ 0.0084

The number of girls follows binomial distribution with n = 885 and p = 1/2.

So, using cumulative distribution function for binomial distribution, we get

P(X ≥ 458) = 1 - P(X < 458)= 1 - P(X ≤ 457)P(X ≤ 457) = ∑P(X = r)

where r = 0 to 457= ∑885Cr (1/2)r (1/2)885-r= 0.1322

Therefore, P(X ≥ 458) = 1 - P(X < 458) = 1 - 0.1322 = 0.8678

Therefore, the probability of getting 458 or more girls in 885 births is 0.8678.

The expected value for the number of girls is np = 885 × 1/2 = 442.5 and the standard deviation is given by npq = 885 × 1/2 × 1/2 = 221.25.

The observed number of girls is 458, which is higher than the expected value.

To check whether 458 is unusually high, we can use the z-score.z = (458 - 442.5) / 221.25 = 0.07

Since z is less than 1, the value 458 is not unusually high.

Therefore, the result is not surprising if boys and girls are equally likely.

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Answer:

the answer of question no5 is b

Answer:

carpet

Explanation:

Diffuse reflection is the reflection of light from a surface such that an incident ray is reflected at many angles rather than at just one angle as in the case of specular reflection.

The structure of carpet's surface is as shown. Thus it shows large amount of diffuse reflection.

Legend has it that a young Isaac Newton was sitting under an apple tree when he was bonked on the head by a falling piece of fruit, a 17th-century “aha moment” that prompted him to suddenly come up with his law of gravity.

Answer :millimeter-wave

Explanation: Because, it uses low-energy non-ionizing radiation that releases thousands of times less energy than a cell phone.