Were both sides of the single magnet attracted to the metal surface? use your results to support your answer.

The Oort cloud is the proximate source of observed nearly parabolic, so-called 'new' comets entering the planetary region, and is also the presumed source of the long-period comet flux and the majority of Halley-type comets (HTCs).

The oort cloud is important for understanding the formation of the solar system.

It is believed to be an important source of comets that can provide valuable information about the conditions and processes that were present in the early solar system.

Here,
The Oort Cloud is important for understanding the formation of the solar system because it is believed to be a reservoir of icy bodies that formed early in the solar system's history. These icy bodies, which include comets, are thought to have played a key role in the early evolution of the solar system by delivering water and other volatile materials to the inner solar system, including the early Earth.

By studying the composition and properties of comets from the Oort Cloud, scientists can gain insights into the formation and evolution of the solar system and learn more about the conditions that were present in the early solar system.

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ANSWER

EXPLANATION

Parameteters given:

Initial velocity = 190 m/s

To find the maximum height, we apply the formula for the maximum height of a projectile:

where u = initial velocity

θ = angle with the horizontal

g = acceleration due to gravity = 9.8 m/s²

From the question, the projectile is fired vertically upward. This means that the projectile will make a 90° angle with the horizontal.

Therefore, we have that the maximum height of the projectile is:

Answer:

Height is equal to 1841.8367m

Explanation:

KE = GPE

Write out the formula

1/2(m)(v^2) = mgh

Fill it with the information you have

1/2(190^2) = (9.8)(h)

Solve

1/2(36100) = 9.8h

18050 = 9.8h

1841.83673 = h

Write the complete answer out

Maximum height is equal to 1841.8367m (meters)

Some foods, such as coconut oil, are usually classified as solid fats even though they are liquid or soft at room temperature.

Some foods, such as butter, margarine, and shortening, are usually classified as solid fats even though they are liquid or soft at room temperature. This is because they are high in saturated and/or trans fats, which are solid at room temperature. These types of fats have been linked to increased risk of heart disease, so it is recommended to limit intake of solid fats and choose healthier fats, such as unsaturated fats found in nuts, seeds, and oils like olive and canola.

Additionally, it is important to check food labels for the amount of saturated and trans fats in a product and choose lower fat options when possible.

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When we view our galaxy from edge on, we get to see that our galaxy is bend towards earth.

A spiral galaxy typically has a rotating disc with spiral 'arms' that curve out from a dense central region. The Milky Way is a spiral galaxy. Four classes are used to classify galaxies: spiral; barred spiral; elliptical and irregular. The Milky Way is a large barred spiral galaxy. All the stars we see in the night sky are in our own Milky Way Galaxy. Our galaxy is called the Milky Way because it appears as a milky band of light in the sky when you see it in a really dark area. Generally, the dust and whirling arms of spiral galaxies such as the Milky Way look flat when seen edge-on, because they are oriented differently toward Earth.

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Answer:

A combinational logic circuit is a circuit whose outputs only depend on the current state of its inputs. In mathematical terms, the each output is a function of the inputs. These functions can be described using logic expressions, but is most often (at least initially) using truth tables.

Answer:

because carbon 14 has only a short half life, rather than other elements with longer half lives.

Explanation:

✨science✨

To find the inductance (L) of the solenoid, we can use the formula:L = (μ₀ * N² * A) / l, where μ₀ is the permeability of free space (4π × 10^(-7) T·m/A), N is the number of turns, A is the cross-sectional area of the solenoid, and l is the length of the solenoid.

Given:

Radius of the solenoid, r = 2.30 cm = 0.023 m,

Number of turns, N = 640,

Length of the solenoid, l = 25.0 cm = 0.25 m.

The cross-sectional area of the solenoid, A, can be calculated as:

A = π * r²

 = π * (0.023)²

 ≈ 0.001663 m².

Now we can calculate the inductance:

L = (μ₀ * N² * A) / l

  = (4π × 10^(-7) * 640² * 0.001663) / 0.25

  ≈ 0.133 mH.

Therefore, the inductance of the solenoid is approximately 0.133 mH.

To find the rate at which the current must change through the solenoid to produce an emf (ε) of 70.0 mV, we can use Faraday's law of electromagnetic induction:ε = -L * (dI/dt), where ε is the induced emf, L is the inductance, and (dI/dt) is the rate of change of current.

Given:

Inductance, L = 0.133 mH = 0.133 × 10^(-3) H,

Induced emf, ε = 70.0 mV = 70.0 × 10^(-3) V.

Rearranging the equation, we can solve for (dI/dt):

(dI/dt) = -ε / L

         = -(70.0 × 10^(-3)) / (0.133 × 10^(-3))

         = -70.0 / 0.133

         ≈ -526.32 A/s.

Since the question asks for the magnitude of the rate of change of current, the answer is approximately 526.32 A/s.

Therefore, the magnitude of the rate at which the current must change through the solenoid to produce an emf of 70.0 mV is approximately 526.32 A/s.

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The vertical impulse by the lift force during this time is 4.15 by minutes for Newton second.

We have a demon That there is a force of 52 down cause of 15. Right? This is what we have you in the questions and acting on the bill. Be both masked by Graham of Mars five g. No. In the meantime. And travelers given that the time and develop acting on this fourth, you should humanists. But we need to find the impulse England's. They seem to not advise you actually. This is what we need to find. So we know that false change in momentum much time. So basically impulses change momentum, but you find impulses changing moment also jay so G is false in campaign so we can put forth here. The forces to do time 59 1 dime. That's Spanish for -5. This was with 15 to 10 days to four minutes, five Newton and two times three seconds Volunteers. They will get 15 into 10 days to the R -4. 15 10 by minus for Newton's second.

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The energy transferred by an appliance using mains electricity is 34500 Joule.

In physics, energy is the ability to perform work. It could exist in several different forms, such as potential, kinetic, thermal, electrical, chemical, radioactive, etc. Additionally, there is heat and work, which is energy being transferred from one body to another. Energy is always assigned based on its nature once it has been transmitted.

Given that: charge of the particle: Q = 150 C.

Potential difference applied: V = 230 V.

Hence, the potential energy of the particle: E = QV

= 150 × 230 Joule

= 34500 Joule.

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Explanation:

\(molarity \: \: constant \: = 8.3j mol {}^{- 1} {k}^{- 1} \)

\( \frac{3125}{2465.1} = 2465.1 \24651\)

The no of moles are there in a 2,500 cm sample of oxygen at a temperature of 24 °C and a pressure of 125 kPa will be 1.27.

It is the relationship between the pressure,volume and the temperature. Ideal gas equation is found as;

pv=nRt

Given data is;

p(pressure) =125

v(volume) =2500 cm = 25.m³

n(number of moles) =?

T(temperature) = 24°C =24+273=297k

From Ideal gas equation ;

pv=nRt

125×25=n×8.3×297

3125=2465.1 n

n=1.27

Hence,the no of moles will be 1.27.

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The magnitude of the frictional force acting on the 5 kg box will be 15 N

The coefficient of kinetic friction is defined as the ratio of force of kinetic friction to the normal reaction between the two surfaces in contact.

F = normal force

fr = frictional force

mu = coefficient of kinetic friction

since ,

fr = mu * F

   = mu * mg       ( as N = mg)

   = 0.30 * 5 * 9.8

   = 14.7 N

   ≈ 15 N

The magnitude of the frictional force acting on the 5 kg box will be a) 15 N

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The path difference is 1.57 × 10⁻⁶ m

Distance is the amount of space between things. From distance, it is the hard to tell if someone's wearing the a vampire costume abd just a chic black outfit.

For constructive interference thai is formation of bright fringe through a diffraction grating is given by:

d sin θ = n λ

here, d is the distance between slits.

θ is the angle of diffraction

n is the order of fringe

and λ is the path difference.

λ = (d sin θ)/ n = (0.60 *10 ⁻³m) (sin 0.30°) ÷ 2 = 1.57 * 10⁻⁶ m

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Answer:

C is the answer

Explanation:

Answer:

2s

Explanation:

Given parameters:

Distance  = 30m

Speed  = 15m/s

Unknown:

Time before Laurence caught it = ?

Solution:

To solve this problem;

    Speed  = \(\frac{disance }{time}\)  

 Time taken  = \(\frac{distance }{speed }\)   = \(\frac{30}{15}\)  = 2s

The time it takes is 2s

Given:

We will solve:

Speed  = \(\frac{distance}{time}\)

Time taken  = \(\frac{distance}{time}\) = \(\frac{30m}{15m/s}\) = 2s

The time it takes is 2s

Answer:

Potential difference, V = -0.000224 Volts

Explanation:

Given the following data;

Quantity of charge = 6.93*10-4 C

Energy = -3.09 J

To find the electric potential V at that point?

Mathematically, the energy transferred per unit of charge is given by the formula;

E = QV

Where:

E is the energy

Q is the quantity of charge

V is the potential difference.

Substituting into the formula, we have;

\( -3.09 = 6.93*10^{-4} * V \)

\( V = \frac {6.93*10^{-4}}{-3.09} \)

Potential difference, V = -0.000224 Volts

Answer:

v = 2.5 mi/h

Explanation:

The velocity of an object is defined as the time rate of change of its position. In other words the velocity of an object is just a ration of displacement covered by the object to the time taken by the object, to cover that distance. So, in this case we will use the same formula or equation to calculate the velocity of the man. The formula is as follows:

v = s/t

where,

v = velocity of the man = ?

s = distance of the trail = 5 miles

t = time required to complete the trail = 2 h

Therefore,

v = 5 miles/ 2 h

v = 2.5 mi/h

The name of the substance is silver based on the specific heat capacity value.

The specific heat capacity of the substance is calculated by applying the following formula for heat capacity.

Q = mcΔθ

where;

c = Q / mΔθ

The specific heat capacity of the substance is calculated as;

c = (5875 J ) / ( 500 g x 50 )

c = 0.235 J/kgK

The substance that has the same specific heat capacity calculated above is silver.

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Answer:

I think it would be c, crashing into another car

Answer:

mean= sum of all values/ total no. of values

values given= 4,6,8,20,12

= 4+6+8+20+12/5

=50/5=10

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PLZ MARK AS BRAINLIEST

Answer:

9800N

Explanation:

Since it is falling freely, the only force on it is its weight, w. w = m ⋅ g = 1000kg ⋅ 9.8ms2 = 9800N

Answer:

2.78m/s²

Explanation:

Complete question:

A box is placed on a 30° frictionless incline. What is the acceleration of the box as it slides down the incline when the co-efficient of friction is 0.25?

According to Newton's second law of motion:

\(\sum F_x = ma_x\\F_m - F_f = ma_x\\mgsin\theta - \mu mg cos\theta = ma_x\\gsin\theta - \mu g cos\theta = a_x\\\)

Where:

\(\mu\) is the coefficient of friction

g is the acceleration due to gravity

Fm is the moving force acting on the body

Ff is the frictional force

m is the mass of the box

a is the acceleration'

Given

\(\theta = 30^0\\\mu = 0.25\\g = 9.8m/s^2\)

Required

acceleration of the box

Substitute the given parameters into the resulting expression above:

Recall that:

\(gsin\theta - \mu g cos\theta = a_x\\\)

9.8sin30 - 0.25(9.8)cos30 = ax

9.8(0.5) - 0.25(9.8)(0.866) = ax

4.9 - 2.1217 = ax

ax = 2.78m/s²

Hence the acceleration of the box as it slides down the incline is 2.78m/s²

a. The amount of thermal energy 'wasted' by the turbine per second = 500,000 J

b. Efficiency of the turbine = 66.7%

Energy is the ability to do work.

Energy is essential to sustain the material universe. Energy constantly flows in the universe and is transformed into various forms.

Th various forms of energy are:

When energy is lost in a system, it is usually converted to heat.

a. The amount of thermal energy 'wasted' by the turbine per second = 1,500,000 J - 1,000,000 = 500,000 J

b. Efficiency = (1,000,000/1,500,000) * 100%

Efficiency of the turbine = 66.7%

In conclusion, energy is usually lost in the form of heat or thermal energy during energy transformations.

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Answer:

We can use the equation of motion of an object under constant acceleration to calculate the change in velocity during this time. The equation is:

Δv = at

Where:

Δv = change in velocity (m/s)

a = acceleration (m/s^2)

t = time (s)

Given that the acceleration of the airplane is 9.0 m/s^2 and the time it travels down the runway is 4.0 seconds we can substitute these values into the equation:

Δv = 9.0 m/s^2 * 4.0 s = 36 m/s

Therefore, the change in velocity of the airplane during this time is 36 m/s.

60 % is the utilization factor of this cogeneration cycle neglecting the pump work of a simple rankine cycle

data sent  A straightforward Rankine cycle generates 40 MW of electricity, 50 MW of process heat, and 60 MW of heat waste that is released into the environment.

rankine cycle produces 40 MW of  power,

50 MW of process heat

60 MW of  heat to the surroundings

Total = 40 + 50 + 60  = 150 MW

Utilized = 50 + 40 = 90 MQ

Usefulness of this cogeneration cycle = 90/150 * 100= 60 %

Usefulness of this cogeneration cycle   = 60 %

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Answer:

Explanation:

ave speed is always (frequency) x (wavelength)

Speed  =  (450 /sec) x (0.52 m)

=      234 m/sec .

Option (a) is correct, the dose limits established for the OSL, TLD, film badge, and pocket dosimeter are valid for alpha, beta, and x radiations.

The OSL (Optically Stimulated Luminescence), TLD (Thermoluminescent Dosimeter), film badge, and pocket dosimeter are all commonly used devices for measuring and monitoring ionizing the radiation exposure.

Among the given options, alpha, beta, and x radiations are all forms of ionizing radiation. These devices are capable of measuring the dose of the radiation received from these types of the radiations, and their established dose limits are valid for the alpha, beta, and x radiations.

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Blade speeds within the range of 9.5 to 10.5 are optimized to maximize TSR, which in turn maximizes wind turbine efficiency and power output. Here option B is the correct answer.

The TSR (Tip Speed Ratio) is an important parameter for wind turbines, which represents the ratio of the speed of the tip of the wind turbine blade to the speed of the wind. The TSR is a critical factor in determining the efficiency and power output of the wind turbine.

For a three-bladed wind turbine, the optimal range of TSR is typically between 5 and 10, depending on the specific design of the turbine. Within this range, the wind turbine is able to efficiently convert the kinetic energy of the wind into mechanical energy, which can then be converted into electrical power.

If the TSR is too low, the wind turbine will not be able to capture enough energy from the wind to generate significant power. On the other hand, if the TSR is too high, the wind turbine will experience excessive drag and will not be able to efficiently convert the wind energy into useful power.

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