Do atomic bombs and nuclear reactors function in the same manner?

Orion can be seen from most places in the world at some point during the year but is not seen from the same place all year long because the earth orbits the sun which result in changes in the night view.

This is referred to as a prominent constellation located on the celestial equator and visible throughout the world ans it is the most conspicuous in the night sky.

This is therefore the reason why it can be seen from most places in the world at some point during the year. During some periods, it is not seen from the same place all year long because the earth orbits the sun which result in changes in the night view and hinders people from seeing it.

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The net force acting on the rocket is 150,000 N.

Part A: To find the net force acting on the rocket, we can use Newton's second law of motion which states that force equals mass multiplied by acceleration (F = ma).

Given:

F = ma

F = 50000 kg x 3.0 m/s^2

F = 150000 N

Therefore, the net force acting on the rocket is 150,000 Newtons (N) to two significant figures.

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Answer:

its c

Explanation:

just did it

Answer:

c

Explanation:

A medicine is prescribed for a baby that weighs 8.5 pounds. the dose is 5.0 mg per kilogram of body weight. 19.5 mg of medicine should be given to this baby

The unitary method is generally a way of finding out the solution of a problem by initially finding out the value of a single unit, and then finding out the essential value by multiplying the single unit value.

1 Pound = 0.45 kg

8.5 pounds = 3.9 kg

Since , the dose should be = 5 mg per kilogram

for 1 kg = 5 mg dose is required

for 3.9 kg = 5 * 3.9 = 19.5 mg dose is required

19.5 mg of medicine should be given to this baby

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Answer:

the Doppler effect

Explanation:

the doppler effect states that as something is moving towards you the pitch will be higher and as that thing goes away the pitch will be lower.

1.29×10^-4 m/s is the drift speed of the electrons in the wire.

volume=molar mass/density= 26.98g/2.7g/cm3 = 9.99 cm3

n=(6.02E23 electron/volume)*(1.00E6 cm3/ 1 m3) = 6.024E28 m3

V= I/neA= 7.50 A/(6.024E28 m3)×(1.60E-19 C)×(5.60E-6 m2))

V= 1.29×10^-4 m/s

Electrons and other subatomic particles constantly migrate in arbitrary ways. When exposed to an electric field, electrons do travel randomly, but they do so slowly in the direction of the applied electric field. The drift velocity refers to the overall speed of these electrons.

M/s is the SI unit for drift velocity. It can also be expressed in m2/ (V.s). The relationship between the electrons' current density and their drift velocity is straightforward. Additionally, when the strength of the electric field grows, the drift velocity and current flowing through the conductor do as well.

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Answer:

500m

Explanation:

because 250+250 goood

An object is definitely being accelerated when a nonzero net force is acting on it: Option B.

A net force refer to the vector sum of all the forces that are acting on an object or physical body. Thus, a net force is a single force that substitutes the effect of all the forces acting on an object or physical body.

According to Newton's Second Law of Motion, the acceleration of an object is directly proportional to the net force acting on the object and inversely proportional to its mass.

This ultimately implies that, an object is definitely being accelerated when a nonzero net force is acting on it.

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Answer:

frequency = 14 Hz

wavelength = 3 m

speed = ?

speed = frequency

x wavelength

speed =    14  x  3speed =     42 meter per second

Explanation:

Answer:

Change in Potential energy, pe = Final potential energy - Initial potential energy

Explanation:

∆p.e = Final p.e - Initial p.e

From the equation ∆p.e = (mgh) final - (mgh) initial

Answer:

v = 23.87 m/s

Explanation:

Given that,

The radius of wheels, r = 0.380 m

The wheels rotate once every 0.1 s

We need to find the linear velocity of the wheels. The linear velocity of a wheel is given by :

\(v=\dfrac{2\pi r}{t}\\\\=\dfrac{2\pi \times 0.38}{0.1}\\\\=23.87\ m/s\)

So, the required linear velocity of the wheel is equal to 23.87 m/s.

Explanation:

6 min in seconds:

6×60

6 min in hours:

The closest-packed structures of crystals fall into classes called hexagonal close-packed (HCP) and cubic close-packed (CCP).

The crystalline solid that falls into two categories of close-packed structure are termed as closest-packed structures of crystals. These two types are as follows: Cubic Close Packed (CCP) and Hexagonal Close Packed (HCP)A crystal is created by the process of solidification and then subsequently allowed to cool and then harden. The internal arrangement of atoms in the crystal lattice structure is revealed by an X-ray diffraction pattern. A crystal's most crucial property is its unit cell, which is a small portion of the crystal's interior that contains the most basic collection of atoms that repeat throughout the structure. The unit cell is used to describe the crystal's symmetry, and the number and positioning of atoms can be deduced from it. Close-packing is a term used to describe the arrangement of atoms in a crystal lattice, and it implies that the atom's radius is as small as possible, while the distance between them is as large as feasible.The most effective method of packing spheres together is to use a system of 3 alternating layers in which the spheres in each layer are directly above the centers of the spheres in the layer beneath it.

Crystallography is the study of crystal structures, which are described by the internal arrangement of atoms and molecules that make up solids. When solidifying, a crystal is created, which then cools and hardens. A crystal's most crucial property is its unit cell, which is a small portion of the crystal's interior that contains the most basic collection of atoms that repeat throughout the structure. The unit cell is used to describe the crystal's symmetry, and the number and positioning of atoms can be deduced from it. Close-packing is a term used to describe the arrangement of atoms in a crystal lattice, and it implies that the atom's radius is as small as possible, while the distance between them is as large as feasible. The closest-packed structures of crystals fall into classes called hexagonal close-packed (HCP) and cubic close-packed (CCP). The most effective method of packing spheres together is to use a system of 3 alternating layers in which the spheres in each layer are directly above the centres of the spheres in the layer beneath it.

In conclusion, the closest-packed structures of crystals are created when a crystal is formed by solidification, cools, and hardens. The internal arrangement of atoms and molecules that make up solids is described by crystal structures. A crystal's most crucial property is its unit cell, which is a small portion of the crystal's interior that contains the most basic collection of atoms that repeat throughout the structure. The term close-packing is used to describe the arrangement of atoms in a crystal lattice, which means that the atom's radius is as small as possible, while the distance between them is as large as feasible. The closest-packed structures of crystals fall into classes called hexagonal close-packed (HCP) and cubic close-packed (CCP).

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Mixing 3 liters of water at 20 \(^oC\) with 4 liters of water at 40 \(^oC\) will result in water with 31.43°C temperature.

The amount of energy in the final mixture will be equal to the sum of the energy in the initial 3 liters of water at 20°C and the energy in the initial 4 liters of water at 40°C.

The total energy in the final mixture:

= energy in 3 liters of 20°C water + energy in 4 liters of 40°C water

= 60 calories + 160 calories

= 220 calories

Total energy = mass of the mixture x specific heat x temperature of the mixture

Therefore, the final temperature of the mixture will be approximately 31.43°C.

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Answer:

they have same acceleration 2m/s^2

Explanation:

a =v-u/t

65-60/2.5

2m/s^2

a) The acceleration of the car and the bicycle are equal since \(\delta V\) for both vehicle is 5km/h and the time taken for both vehicle is also the same 2.5s.

b) The acceleration of the bicycle is 0.556m/s²

Given the data in the question;

Since the bicycle starts from rest

a)

The acceleration of the car and the bicycle are equal since \(\delta V\) for both vehicle is 5km/h time taken for both vehicle is also the same 2.5s.

b)

The acceleration of each vehicle

To determine the acceleration for car and the bicycle, we use the first equation of motion:

\(v = u + at\)

Where v is the final velocity, u is the initial velocity, a is the acceleration and t is the time.

Now, For the car;

\(18.0556m/s = 16.667m/s + ( a + 2.5s )\\\\a = \frac{18.0556m/s - 16.667m/s }{2.5} \\\\a = \frac{1.3886m/s}{2.5s} \\\\a = 0.556 m/s^2\)

Hence, the acceleration of the car is 0.556m/s²

For the bicycle;

\(1.38889m/s = 0 + ( a * 2.5s )\\\\a = \frac{1.38889m/s}{2.5s}\\\\a = 0.556m/s\)

Hence, the acceleration of the bicycle is 0.556m/s²

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Answer:

placing an object between two free ends of a wire in a circuit. the circuit must have a bulb, wires, crocodile clips and a switch (optional) .

Explanation:

get a material between the clips . if the bulb lights up, the object is a conductor and is it doesn't its an insulator.

Answer:

The correct answer would be "They are opposites because endothermic reactions require energy and exothermic reactions release energy".

The point of maximal impulse (PMI) is normally located on the chest wall where the heartbeat is most prominently felt. It corresponds to the area on the chest where the left ventricle of the heart is in contact with the chest wall during systole (contraction phase of the heart). The PMI is typically found in the fifth intercostal space, just medial to the midclavicular line. In other words, it is often felt or observed slightly below the left nipple.

However, it's important to note that the location of the PMI can vary depending on factors such as the individual's body habitus, heart size, and certain cardiac conditions. In some cases, the PMI may be displaced due to factors such as enlargement of the heart or underlying heart conditions. Therefore, it's always best to consult a healthcare professional for accurate assessment and interpretation of the PMI.

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Answer:

Explanation:

How did media attention affect Barack Obama's presidential performance?(A)(B)(C)(D)He made a concerted effort to listen to Congress' concerns about his policies.He decided to go on Fox News in an attempt to win over Republican voters.He started traveling the country to give speeches about his policy goals.He began meeting in private with Speaker of the House Nancy Pelosi.

Two athletes are competing in upcoming competitions, a weightlifting meet and a marathon. phosphagen and oxidative energy systems will each be primarily used, respectively.

As it is in charge of high-intensity, brief-duration activity, the phosphagen energy systems generate energy for jumping and sprinting. The quickest and most effective energy producer in muscle activity. Phosphagen metabolism is demonstrated by this system. It uses creatine phosphate to produce ATP (adenosine triphosphate, the chemical which provides energy for all body processes).

Energy is produced by the oxidative energy systems using 30% and 70% of carbs and lipids, respectively. When done for at least 150 minutes a week, aerobic exercise enables the body to experience physiological and health benefits.

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The given statement is that the temperature in degrees Fahrenheit in times square during a day in August can be predicted by the function t(x).

Hence, it can be stated that the function t(x) provides a prediction for the temperature in degrees Fahrenheit in Times Square for a given value of x. Here, x represents the input variable.

It is important to note that the input variable must be provided in the correct units and format as required by the function t(x).The content loaded refers to the data that has been previously collected and is available for analysis. In the context of predicting temperature using function t(x),

the content loaded can refer to temperature data collected in Times Square during August on previous days or years. This data can be analyzed and used to develop the function t(x) that predicts temperature for a given input variable x.

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The car's kinetic energy, K = 384J, is equal to the energy needed to halt it. The law of kinetic energy tells us that: in the equilibrium position, the automobile is moving at its maximum speed according to periodic motion .

using formula: \(k=\frac{1}{2}mv^{2}\).

Electricity as described to by academics as the aptitude for effort. People have figured out how to transform energy from one form to another and then use it to accomplish tasks, making modern civilization possible.

Chemical, electrical, radiant, mechanical, thermal, and nuclear energy are the six main types of energy. Additional types including electrochemical, acoustic, electromagnetic, and others could be addressed in other studies.

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Time required to 200 meter long train to pass through a 160 meter tunnel at a speed of 18 meters per second is 11.1s.

Given, length of train 200 meter

Length of tunnel is 160 meter

Speed = 18 m/s

Formula of Speed = distance/ time

Time = Distance/speed

Time = 200/ 18

Time = 11.1 s.

Hence, time required to 200 meter long train to pass through a 160 meter tunnel at a speed of 18 meters per second is 11.1s.

Speed is the time rate at which an object is moving along a direction, whilst velocity is the rate and direction of an item's motion. Put every other manner, speed is a scalar value, while velocity is a vector.

The Italian physicist Galileo Galilei is credited with being the first to measure pace by way of thinking about the distance covered and the time it takes. Galileo defined pace as the distance covered per unit of time.

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The number of oscillations of the toy in a second is 1.25.

The given parameter:

The frequency of an object is calculated as follows;

\(f = \frac{n}{t} \\\\\)

where;

The number of oscillations of the toy in a second is calculated as follows;

\(1.25 = \frac{n}{1} \\\\n = 1.25\)

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Answer:

Given that

speed u=4*10^6 m/s

electric field E=4*10^3 N/c

distance b/w the plates d=2 cm

basing on the concept of the electrostatices

now we find the acceleration b/w the plates  to find the horizontal distance traveled by the electron when it hits the plate.

acceleration a=qE/m=\(1.6*10^{-19}*4*10^3/9.1*10^{-31} =0.7*10^{15}\)=\(7*10^{14}\) m/s

now we find the horizontal distance traveled by electrons hit the plates

horizontal distance

\(X=u[2y/a]^{1/2}\)

=\(4*10^6[2*2*10^{-2}/7*10^{14}]^{1/2}\)

=\(3*10^{-2}\)= 3 cm

When attempting to extinguish a fire inside the passenger​ compartment, it is important​ to: Apply the extinguishing agent liberally to speed up the extinguishing process. The correct option is C.

When attempting to extinguish a fire inside the passenger compartment, it is important to apply the extinguishing agent liberally to speed up the extinguishing process. Fires can escalate quickly, posing a significant threat to the passengers' safety. By applying the extinguishing agent in sufficient quantities, the fire can be suppressed more effectively, minimizing its potential to spread and cause further harm.

Option A is incorrect because aiming the nozzle away from the patient would result in an ineffective application of the extinguishing agent, reducing its effectiveness in extinguishing the fire. Option B is incorrect because using the extinguishing agent sparingly may not provide enough coverage to fully extinguish the fire, allowing it to potentially reignite or continue spreading.

Option D is incorrect because extinguishing the fire is crucial to prevent further danger, and extrication of patients can be done simultaneously or after the fire has been successfully controlled. Therefore, the most appropriate action is to apply the extinguishing agent liberally to expedite the extinguishing process and mitigate the risk posed by the fire. The correct option is C.

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Complete question:

When attempting to extinguish a fire inside the passenger​ compartment, it is important​ to:

A. aim the nozzle of the extinguisher away from the patient to avoid hitting the patient.

B. use the extinguishing agent sparingly to avoid creating a cloud of powder.

C. apply the extinguishing agent liberally to speed up the extinguishing process.

D. resist the urge to extinguish the fire and focus on extricating any patients

The main reason for the difference in precipitation in the two locations is due to the difference in temperature. When temperatures are cold enough, the water vapor in the air will condense and form snowflakes.

The temperature in Ohio is likely not cold enough for snow, but the temperature in Pennsylvania is cold enough for the water vapor in the air to turn into snowflakes. The temperature in a given area is determined by a variety of factors, such as air pressure, humidity, and wind speed. Each of these factors can be different in each location, which can lead to a difference in temperature and, ultimately, a difference in precipitation.

Air pressure is the pressure of the atmosphere at a particular location as the higher the air pressure, the warmer the temperature. The humidity determines the amount of water vapor in the air and as the higher the humidity, the more water vapor is in the air and the more likely it is to condense into snow. Wind speed is the speed of the wind at a particular location also the faster the wind, the colder the temperature.

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Answer:

Mars

Explanation:

It would be Mars because Mars has the least mass out of al the planets in the Solar System, and that would affect its gravitational pull.

I hope it helps! Have a great day!

Anygays-

The correct expression for the impulse (I) that the baseball experiences when it bounces off the concrete is:

I = 0

The impulse experienced by the baseball when it bounces off the concrete can be determined using the principle of conservation of momentum.

The initial momentum of the baseball before the bounce is zero since it is dropped from rest.

After the bounce, the final momentum of the baseball is also zero since it comes to rest momentarily at the highest point of its trajectory.

The impulse experienced by the baseball is equal to the change in momentum, which is the negative of the initial momentum:

Impulse = -Initial momentum

The initial momentum can be calculated using the equation:

Initial momentum = mass × initial velocity

Since the baseball is dropped from rest, the initial velocity is zero.

Therefore, the impulse can be expressed as:

Impulse = -mass × initial velocity

Impulse = -m × 0

Impulse = 0

So, the correct expression for the impulse (I) that the baseball experiences when it bounces off the concrete is:

I = 0

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The correct expression for the impulse (I) that the baseball experiences when it bounces off the concrete is:

I = 0

The impulse experienced by the baseball when it bounces off the concrete can be determined using the principle of conservation of momentum.

The initial momentum of the baseball before the bounce is zero since it is dropped from rest.

After the bounce, the final momentum of the baseball is also zero since it comes to rest momentarily at the highest point of its trajectory.

The impulse experienced by the baseball is equal to the change in momentum, which is the negative of the initial momentum:

Impulse = -Initial momentum

The initial momentum can be calculated using the equation:

Initial momentum = mass × initial velocity

Since the baseball is dropped from rest, the initial velocity is zero.

Therefore, the impulse can be expressed as:

Impulse = -mass × initial velocity

Impulse = -m × 0

Impulse = 0

So, the correct expression for the impulse (I) that the baseball experiences when it bounces off the concrete is:

I = 0

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