Name three reasons why a cloud might form without rain happening.

(a) The rotational inertia of the barbell rotating around an axis through the center of one of the spheres, perpendicular to the length of the rod, is 250 kg·m².

The rotational inertia of a system depends on the masses and their distances from the axis of rotation. In this case, we have two identical 50.0 kg spheres, each separated by 2.40 m.

When rotating around an axis through the center of one sphere, perpendicular to the rod, we can consider the system as two point masses rotating about that axis.

The rotational inertia of a point mass rotating around an axis is given by the formula I = m*r², where m is the mass and r is the distance from the axis.

Since we have two identical spheres, the total rotational inertia is the sum of the rotational inertia of each sphere.

Hence, I_total = 2*(50.0 kg)*(2.40 m)² = 250 kg·m².

(b) The kinetic energy of the barbell rotating at 1.00 rad/s around its midpoint is 125 J, while the kinetic energy of the barbell rotating at 1.00 rad/s around the axis through the center of one sphere is 250 J.

The kinetic energy of a rotating object is given by the formula KE = (1/2) * I * ω², where I is the rotational inertia and ω is the angular velocity.

In the preceding example, the barbell rotates around its midpoint, so the rotational inertia is 500 kg·m² (as calculated in the previous question).

Plugging the values into the formula, we find KE_midpoint = (1/2) * 500 kg·m² * (1.00 rad/s)² = 125 J.

On the other hand, when rotating around the axis through the center of one sphere, perpendicular to the rod, the rotational inertia is 250 kg·m² (as calculated in part (a)).

Using the same formula, we find KE_axis = (1/2) * 250 kg·m² * (1.00 rad/s)² = 250 J.

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Explanation:

The relation between potential difference, current and resistance flowing in a circuit is given by using Ohm's law. It can be given by :

V = IR

\(I=\dfrac{V}{R}\)

Resistance opposes the flow of electric current in the circuit. It means that, if resistance is more, less current will flow through the circuit.

The two cars (red and green) are 2280 m apart

Speed is the distance travelled per unit. Mathematically, it can be expressed as:

Speed = distance / time

With above formula, we can determine the distance by the red car. Details below

The following data were obtained from the question:

The distance traveled by the red car in 2 mins ( i.e 120 s) can be obtained as followed:

Speed = distance / time

Cross multiply

Distance = speed × time

Distance = 19 × 120

Distance = 2280 m

Thus, the red and green cars are 2280 m apart

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If the current through the resistor is 2.80 A the terminal voltage of the battery is 23.2 V.

We can use Ohm's law to find the voltage drop across the resistor:

V = IR

Where V is the voltage drop, I is the current through the resistor, and R is the resistance.

Substituting the given values, we get:

\(V = (2.80)*(4.00) = 11.2 V\)

This is the voltage drop across the resistor. The voltage across the battery terminals will be higher than this by the amount of the battery's internal resistance, which we can assume to be negligible. Therefore, the terminal voltage of the battery is:

\(V_{Ter} = V + V_r\)

Where \(V_r\) is the voltage drop across the resistor.

\(V_{Ter}= 11.2 V + 12.0 V = 23.2 V\).

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Answer:

Espanol 7h2 that's c coupon

When a rocket is launched straight up from the Earth's surface, its speed gradually decreases as it moves away from the planet.

However, it never truly reaches a constant speed when it is very far away from the Earth. Instead, its speed continues to decrease due to the gravitational pull of other celestial bodies in space, such as the Sun and other planets. Therefore, it is not possible to determine the rocket's exact speed when it is very far away from the Earth without additional information about the rocket's trajectory, the effects of other gravitational forces, and the time elapsed since the launch. The exact speed when the rocket is very far away would depend on various factors, including the rocket's design, propulsion system, and the duration of its engine burn.

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Answer:

Angle of Refraction = 28.9 degrees

Explanation:

We'll use Snell's law for this. It's mathematical form is:

=> \(n_1* sin(\alpha _1)=n_2 * sin(\alpha _2)\)

Where \(n_{1} = 1, n_{2} = 1.33, \alpha _{2} = 40^o\)

=> \(n_{1}\) and \(n_{2}\) are the refractive indexes of the air and water respectively.

Solution:

=> 1 * sin (40) = 1.33 * sin(\(\alpha _{2}\))

=> sin \(\alpha _{2}\) = \(\frac{sin 40^0}{1.33}\)

=> sin \(\alpha _{2}\) = 0.4821

=> \(\alpha _{2}\) = 28.9 degrees

Answer:

This

Explanation:

Khan academy answer

Answer:

Flemmings' left hand rule  and Downward direction

Explanation:

The person could able to determine the path of force by applying the left-hand rule of Fleming.

Via holding the thumb the forefinger and second finger at right angles for one other

The left-hand rule is applied in the electric motors

On the other hand, the right-hand rule is applied for electric generators.

So different hands are used for the different thing as there is a difference between the cause and effect

Therefore in this case there is a left hand rule used and the direction is downward

Answer:

Copper Cu

Lead Pb

Phosphorus P

Arsenic As

Barium Ba

Parts of the mixer become hot because some of the electrical energy is converted into heat energy.

When electrical energy flows through a wire, it encounters resistance, which causes the wire to heat up. In a mixer, the electric motor converts electrical energy into mechanical energy to rotate the blades, but some of the electrical energy is lost as heat due to resistance in the motor's winding and other electrical components. This heat energy can accumulate in the mixer's parts and cause them to become hot. In many electrical devices, heat is an undesirable byproduct of energy conversion and can lead to reduced efficiency, damage, or safety hazards.

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--The complete Question is,  Fill in the blanks. " Parts of the mixer become hot because some of the electrical energy is changed into____"--

Answer: mass

The mass of a person is constant, weight is a force that is influenced by gravity.

"Steel is not considered renewable resource as it contains of iron and iron is  found inside the earth."

As they are created over an extended period of time by geological processes, minerals and metals are non-renewable resources.

Only iron can be used to make steel, and in order for iron to be effective, it must first be mined from the earth. Despite being the fourth most frequent material on Earth, there is a finite amount of iron, and once it is all used up, there will be no way to make more steel.

Instead, direct-reduced iron plants can be used by steelmakers to react the rock with gas in order to remove iron from ore. Then, using an electric arc furnace powered by sustainable energy, these iron pellets can be transformed into steel.

Steel is therefore not regarded as a renewable material.

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Superman used x-ray vision to detect objects.

You will want at least two components for x-ray detection/vision to function: an x-ray source and an absorber for x-ray.

It isn't vital for the aspect you need to peer to be the supply; it only needs to take in a number of the light. The medical expert will region your chest between the absorber and source whilst taking a chest x-ray. because the coronary heart can in part soak up mild, it'll seem whiter than the lungs, which are formed of air and cannot achieve this.

Making X-ray photographs is viable. now not within the realm of technology fiction. this is how it goes. X-rays can be created via directing high-velocity electrons at a metal surface. X-rays are equal to seen light, besides their wavelength is notably shorter (but they're nevertheless electromagnetic waves). but, X-rays engage with depend in a special way than seen mild due to the fact they have got a unique wavelength (and frequency). this implies that some substances are truly transparent, including human flesh. by using passing X-rays thru a person and placing an X-ray detector on the alternative side, you may utilize this technique to supply an X-ray photograph.

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Answer:

Fr^2 = 75.9N+105.8N=181.7

Fr = 181.7N.

Answer:

2 hours

Explanation:

The percentage of adhesions measured in use that are higher than 0.40 is approximately 22.66%.

For finding the percentage of adhesions that are higher than 0.40, need to calculate the area under the normal distribution curve to the right of 0.40. First, need to standardize the value of 0.40 using the Z-score formula:

Z = (X - μ) / σ

Where X is the value (0.40), μ is the mean (0.37), and σ is the standard deviation (0.04).

Z = (0.40 - 0.37) / 0.04 = 0.03 / 0.04 = 0.75

Next, look up the Z-score of 0.75 in the standard normal distribution table for finding the corresponding cumulative probability. The Z-table tells that the cumulative probability to the left of 0.75 is approximately 0.7734.

Since want the percentage to the right of 0.40, subtract the cumulative probability from 1:

1 - 0.7734 = 0.2266

Therefore, the percentage of adhesions measured in use that are higher than 0.40 is approximately 22.66%.

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Answer:

0.36 m

Explanation:

The moment of inertial of a wheel can be calculated as

Where r is the radius of the wheel and m is its mass.

Solving the equation for r, we get

So, replacing I by 0.13 kg m2 and m by 0.98 kg, we get

Therefore, the radius of the wheel is 0.36 m

It needs 3 weeks of inactivity  to lead to a decline in muscular endurance. (option A)

Muscles need to be continually stimulated in order for them to be able to retain their endurance capacity. When there is no activity or stimulation, the muscle tissue begins to break down and the body becomes weaker.

Research has shown that after about 3 weeks of inactivity, there is a noticeable decline in muscular endurance. This means that if you do not exercise for 3 weeks, you may start to see a decrease in your ability to perform physical activities for an extended period of time.

It is important to maintain a regular exercise routine in order to prevent a decline in muscular endurance and overall fitness.

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The correct option is C, The measure of angle L in parallelogram LMNO is ∠MLO =∠L = 3 x 20 - 20 = 40° .

∠MNO = ∠MLO

so

(2x)° = (3x-20)°

2x = 3x -20

x = 20°

A parallelogram means that opposite sides are parallel and congruent, and opposite angles are also congruent. Parallelograms have several properties that make them useful in geometry and trigonometry, such as the fact that the opposite sides are equal in length and that the diagonals bisect each other.

There are several types of parallelograms, including rectangles, squares, and rhombuses. Rectangles have all right angles and equal diagonals, while squares have all equal sides and angles. Rhombuses have equal sides but not necessarily right angles, and their diagonals bisect each other at right angles. Parallelograms can be used in a variety of applications, such as in construction, engineering, and architecture. They are also used in mathematical proofs and theorems, such as the Parallelogram Law of Vector Addition.

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Complete Question:-

What is the measure of angle L in parallelogram LMNO?

a. 20°

b. 30°

c. 40°

d. 50°

↪Nucleons include protons and neutrons. All the positive charge of an atom is contained in the nucleus, and originates from the protons. Neutrons are neutrally-charged. Electrons, which are negatively-charged, are located outside of the nucleus.

☆...hope this helps...☆

_♡_mashi_♡_

The nucleus of an atom of any chemical element comprises three (3) distinct subatomic particles and these are:

An atom simply refers to the smallest, basic (fundamental) and indivisible unit which comprises the matter that forms all chemical elements.

Based on scientific information, the nucleus of an atom of any chemical element comprises three (3) distinct subatomic particles and these include the following;

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Answer:

there is no drag in a vacuum (why is father in a vaccum)

Explanation:

there is nothing to hit and slow the object other than gravity like dust or air

Answer:

A. positive reinforcement

Explanation:

Assuming Adam dislikes veggies and likes ice cream...

Adam is being conditioned to eat his vegetables via positive reinforcement.

Punishment would be a negative result from eating him vegetables.

Negative reinforement is pretty much the same thing as punishment.

Extinction would mean he stopped getting what he wanted for the action he didn't like (eating veggies) and stopped doing it.

The capacity of the electricity-generating plant in watts can be calculated by converting the capacity in megawatts (MW) to watts (W). The capacity of the electricity-generating plant in watts is 7.94 × 10^8 W. To do this, we can use the conversion factor 1 MW = 10^6 W.

Using this conversion factor, we can calculate the capacity in watts as follows:
Capacity in watts = Capacity in MW × 10^6 W/MW
Plugging in the given capacity of 794 MW, we get:
Capacity in watts = 794 MW × 10^6 W/MW
Simplifying, we get:
Capacity in watts = 794 × 10^6 W
To write this answer in scientific notation, we can move the decimal point 6 places to the left and multiply by 10^6:
Capacity in watts = 7.94 × 10^8 W

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Answer:

60 seconds

Explanation:

Acceleration is the rate of change of velocity. For every second that passes, the velocity increases by an increment of 0.5. So after 60 seconds, the velocity of the car will be 30 m/s.

ANSWER:

The potential energy is greater at the end point, which is the highest

STEP-BY-STEP EXPLANATION:

The potential energy in this case will be gravitational, this energy depends on the height, the higher the height, the greater the potential energy.

Therefore, in this case, the potential energy is highest at the end point, where the height has the highest peak.

Answer:

D force

Explanation:

The dielectric constant, εᵣ, of a material is 4.73 x 10². It describes how well the material can store electrical energy and affects its capacitance in an electric field.

The capacitance of a capacitor with concentric conducting spherical shells is given by the formula C = (4πε₀a)/(1/b - 1/a), where a and b are the radii of the inner and outer shells, respectively, and ε₀ is the vacuum permittivity.

Rearranging the formula, we have ε₀ = (1/4πC)(1/a - 1/b).

Given the values of a, b, and C, we can substitute them into the formula and calculate ε₀. Taking the reciprocal of ε₀ gives us the dielectric constant εᵣ.

Using the given values:

ε₀ = (1/4π(5.8 x 10⁻⁶))(1/1.8 - 1/2.5) ≈ 2.54 x 10⁻¹¹ F/m

εᵣ = 1/ε₀ ≈ 4.73 x 10²

Magnitude of free charge q: 8.67 x 10⁻⁴ C.

The capacitance of a capacitor is given by the formula C = q/V, where q is the magnitude of the charge on the plates and V is the potential difference between the terminals.

Rearranging the formula, we have q = CV.

Substituting the given values, we have q = (5.8 x 10⁻⁶ F)(45 V) = 8.67 x 10⁻⁴ C.

Magnitude of induced charge q': 3.48 x 10⁻⁵ C.

The magnitude of the induced charge on the inner surface of the dielectric can be determined using the formula q' = q - CV, where q is the magnitude of the free charge on the plates and C is the capacitance.

Substituting the given values, we have q' = (8.67 x 10⁻⁴ C) - (5.8 x 10⁻⁶ F)(45 V) ≈ 3.48 x 10⁻⁵ C.

Magnitude of electric field at the midpoint: 1.02 x 10⁶ V/m.

The electric field between the plates of a capacitor is given by the formula E = V/d, where V is the potential difference between the plates and d is the distance between the plates.

Since the point is at the midpoint, the distance d is half the distance between the shells.

Substituting the given values, we have E = (45 V)/(0.035 m) = 1.02 x 10⁶ V/m.

Maximum safe voltage: 30.6 MV.

The maximum safe voltage that can be applied across the capacitor before it is ruined is determined by the dielectric strength.

The dielectric strength is given as 6 kV/mm, which is equivalent to 6 x 10⁶ V/m.

Multiplying this value by the thickness of the dielectric layer (b - a = 0.7 m), we have the maximum safe voltage as (6 x 10⁶ V/m)(0.7 m) = 4.2 x 10⁶ V. Converting to megavolts, we get 4.2 MV.

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