The Harrier Jump Jet is a fixed wing military jet designed for vertical takeoff and landing (VTOL). It is capable of rotating its jets from a horizontal to a vertical orientation in order to takeoff, land and conduct horizontal maneuvers. Determine the vertical thrust required to accelerate an 8600-kg Harrier upward at 0.40 m/s/s

The statement states that the force between both the bodies at a distance of 7.5 km equals F = 32 N.

This force that earth applies to a body is referred to as gravitational force. Its down motion of water in the river, the downwards motion if water in a stream, or an upwards motion of a ball being thrown are examples of motion brought on by gravitational influence.

F = k/d²  where k is the inverse variation's constant.

18 N = k / (10 km)²

18 N = k / 100 km²

k = (18 N) (100 km²)

k = 1800 (N)(km²)

F = ?

d = 7.5 km

k = 1800 (N) (km²)

F = 1800 (N)(km²) / (7.5 km)²

F = 1800 (N) (km²) / (55.25 km²)

F = 32 N

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The distance between the wall of the cavity is 7.5 cm

Distance is the length of a space between two points at rest or in motion.

Since the waves are travelling within two parallel, highly conducting walls, i.e. both the ends are rigid and closed, the general formula for the distance (L) between both closed ends is (n+1) λ/2

for n = 0, λ/2 = 1.5 cm

λ = 3.0 cm

for λ(n+1/2) = 1.25

λ(n+1) = 2.5

(n + 1) * 1.5 = (n + 2) * 1.25

n = 4

L = (n+1) λ/2

L  = (4+1) 3/2

L = (5) * 3 / 2

L = 7.5 cm

The distance L between the walls of the cavity is 7.5 cm.

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Only 1 area type of vector is necessary as the given surface is flat and the area vector must point either +x or -x-direction only. Option(2) is correct.

According to triangle regulation of vector addition minimal 3 coplanar vectors are had to get 0 resultant. We understand that best triangle is closed determine of minimal facet, Sides of triangle constitute vector, So the minimal range of unequal vectors whose vector sum may be 0 is 3.

Two vectors may have most cost while they're in identical direction, i.e. the perspective among them is 0°. And may have minimal cost while they're simply in contrary direction, i.e. perspective among them is 180°. Polygon described as a closed aircraft determine, having 3 or greater immediately aspects. So, the minimal range of the facet in a polygon is 3. So, a polygon with a minimal range of aspects is known as triangle.

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Correct Question:

For the following surface, what is the minimum number of area vectors would you need to fully describe the area?

Some factors that might determine how hot a wire will get when it conducts electricity is Current, Material and Ambient temperature.

Resistance of the wire: The resistance of a wire determines how easily electricity can flow through it. Wires with higher resistance will tend to get hotter when conducting electricity because they resist the flow of current more than wires with lower resistance.

Current: The amount of current flowing through the wire can also affect how hot it gets. Higher current means more electrons are flowing through the wire, which can cause it to heat up more.

Length and diameter of the wire: The length and diameter of the wire can also affect how hot it gets. Longer wires or wires with a larger diameter will tend to have lower resistance, which means they will conduct electricity more easily and may not get as hot as shorter or thinner wires.

Material: The material of the wire can also play a role in how hot it gets. Different materials have different electrical conductivity and resistance properties, which can affect how hot the wire gets when conducting electricity.

Ambient temperature: The ambient temperature of the environment in which the wire is located can also influence how hot it gets. If the ambient temperature is higher, the wire may heat up more quickly due to increased thermal energy.

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According to the accelerating, coasting, critical, and recollapsing theories, galaxies should be separating further apart right now.

There were about 10,000 galaxies in this little area of the sky, all varying in size and form. Astronomers estimated that there are between 100 as well as 200 billion civilizations by multiplying this figure by how many times this little area of sky might fit into in the entire sky.

Not one or 2, but as many as six galaxies that are no longer active in star-birthing have been discovered by the Hubble Space Telescope. Travelling to the past to a time when the cosmos was a few billion years old.

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Answer:

c. Both kinetic and potential energy

Explanation:

When the starting gun is fired at the beginning of a cross country foot race, the runners will begin to move from a stationary position at the bottom of a hill. This movement will result in a change in both their kinetic energy and potential energy.

Kinetic energy is the energy of motion, and it will increase as the runners accelerate from a stationary position and begin moving at a faster speed.

Potential energy is energy stored in an object due to its position or shape. The runners at the starting line have potential energy due to their position at the bottom of a hill. As they begin to move upward, their potential energy will decrease as they move further away from the ground.

Therefore, both kinetic and potential energy will change when the starting gun is fired at the beginning of a cross country foot race.

The acceleration of the predatory fish is 28.57 m/s².

The acceleration of the predatory fish is the rate of change of velocity of the predatory fish with time.

Mathematically, the formula for acceleration is given as;

a = Δv / Δt

where;

The given parameters include the following;

a = (4 m/s) / (0.14 s)

a = 28.57 m/s²

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The complete question is below:

when striking, the pike, a predatory fish, can accelerate from rest to a speed of 4.0 m/s in 0.14 s . find the acceleration?

Answer:

  6.4 V

Explanation:

You have a series circuit of three resistors and a 24 V power supply. You want to know the voltage across the 40 Ω resistor, when the other two resistors are 100 Ω and 10 Ω.

The fraction of total voltage in a series circuit that is dropped across any resistor is the ratio of that resistor value to the total resistance in the circuit. The voltage drop across a 40 Ω resistor in a circuit with a total resistance of 150 Ω is ...

  (24 V)(40/150) = 32/5 V = 6.4 V

gfcis operate by comparing the amount of current flowing in the outlet circuit conductors of a 240-volt circuit. when these are not the same, the gfci device trips.

This refers to an electrical safety device that immediately breaks an electrical circuit with leakage current to the ground. It protects equipment and reduces the risk of serious harm from an ongoing electric shock. It is also known as a residual-current device/ residual-current circuit breaker or ground fault circuit interrupter.

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When light passes from air into water, it slows down and bend towards the normal.

When light travels from glass to air its speed increases and bend away from the normal.

When light travels from air to glass, speed decreases.

When light travels from air to water wavelength increase as refractive index of air is less than the water.

When light travels from water into air, its speed increases and it bend away from the normal.

Refraction is defined as the bending of light at the surface of two media when it changes medium of propagation.

When light passes from an optically rarer medium to optically denser medium. its speed decreases and it bend towards the normal. When light passes from the denser medium to a rarer medium, its speed increases and it bends away from the normal.

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The gas has undergone work of 567.42 J, and the internal energy has changed by 167.42 J.

It is the summation of all the potential and kinetic energy of the atoms and molecules that make up the material that is represented in the system.

Briefing:

As given in the problem a gas is compressed at a constant pressure of 0.800atm from 9.00 L to 2.00 L. In the process, 400 J of energy leaves the gas by heat.

1 atm = 101325.00 N/m²

0.800 atm = 0.800×101325.00

                 =81060 N/m²

The work done by the gas under constant pressure

W = P×( V₂ -V₁)

   =81060×(2- 9)×10⁻³

  = - 567.42 J

A negative sign represents that work is done on the gas

By using the first law of the thermodynamics

ΔQ = ΔU +W

-400 = ΔU - 567.42

ΔU = 167.42 J

Thus, The work done on the gas is 567.42 J and the change in the internal energy would be  167.42 J

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The magnitude of the amplitude of the ⁸magnetic field in the Electromagnetic wave is 36 x 10⁸ T.

The energy of an electromagnetic wave in terms of electric field is given by,

E = 1/2e₀E²

Where,

e₀ is the permittivity of free space,

E is the the electric field amplitude.

The energy of an electromagnetic wave in terms of magnetic field is given by,

E = B²/2u₀

Where,

u₀ is the permeability of free space,

B is the the Magnetic field amplitude.

Both these energies are equal hence,

We can write,

E/B = √e₀u₀

Putting the standard values of e₀ and u₀ and E,

B = 12 x 3 x 10⁸

B = 36  x 10⁸ T

So, the amplitude of the magnetic field is 36 x 10⁸ T.

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Considering both the object's mass and the surface's coefficient of friction In relation to heat energy, friction is a resistive force.

According to physics, heat is a type of energy that moves from a hotter body to a cooler one or it is the movement of atoms and molecules within a substance; the faster the atoms or molecules move, the more energy the substance has. The SI unit of heat is the joule (J).

Natural gas, propane (Mp), oil, coal, firewood, electricity, water heaters, ground source heat pumps, and solar energy are just a few of your many options for heating energy sources. Offering goods that are both extremely energy-efficient and wise investments is a goal of Radiantec.

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The answer is 9800 J = + K.

Solution:

For this we can use energy conservation, the block starts at h=60 m, and at the top of the loop it is at h=2 x 20 = 40 m

Then:

E1 = E2

[tex]mgh_1=mgh_2+K[/tex]

[tex]mgh_1=mgh_2=+K[/tex]

[tex]50\cdot 9.8(60-40)=+K[/tex]

[tex]9800\, J=+K[/tex]

The min-height property defines the minimum height of the element. If the content is less than the minimum height, the minimum height is applied. Minimum Height means the vertical distance measured from the slope as defined herein to the lower limit of the sign or sign structure. Sample 1 Sample. Minimum height means the minimum building height permitted on a property or part of a property.

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If the car is traveling at 30 meters per second, it will take 10 seconds to halt. A 1,000 kilogram car's brakes produce 3000 N of force.

In contrast to speed, velocity represents the direction and speed of an object's motion since it follows a path. As a result, velocity is a vector, whereas speed is a scalar.

The rate at which a displacement varies is measured by its velocity. Accelerated speed changes are experienced. Its velocity is an vector quantity since it is composed of two parts. Acceleration is also a vector quantity since it is simply the rate about which velocity varies.

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The weight of the liquid the object displaces determines the buoyant force that pulls an object upward when it is floating (or submerged).

The idea behind Archimedes' principle is that the weight of the fluid that an object displaces is equal to the buoyant force acting on it.

A fully or partially submerged object is subject to an upward force known as the buoyant force. Upthrust is another name for this thrust upward. A body that is partially or completely submerged in a fluid appears to lose weight, or to be lighter, due to the buoyant force.

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The rate at which ammonia absorbs energy, according to the question, is 32166.7 W.

Temperature is a unit used to represent hotness or coolness on any of a range of scales, including F and Celsius. According to temperature, heat energy will naturally move from a hotter (body with a temperature higher) to a colder (body with a lower temperature) (one at a lower temperature).

Heat of evaporation (L) is equal to 1369.5*10³ J/kg.

Mass (m) = 1.41 kg

Formula:

Q = m*L = 1.41 * 1369.5*10³

Q = 1.93 * 10⁶ J

Finally, the rate of energy absorption by ammonia is:

Q/t = 1.93 * 10⁶/60

= 32166.7 W

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The complete question is-

10 of 10 An ammonia refrigeration cycle involves the conversion of 1.41 kg of liquid ammonia into vapor every minute at the boiling-point temperature. At what rate does the ammonia absorb energy?

When we throw paper airplane in the air, it will stop after sometimes due to friction and fall on ground due to gravity.

Physical friction is all around us. Static friction is the resistance to an object moving along a path. Finally, explain it with a simple example. Consider the common activity we all engage in: walking. While working, we are constantly in contact with the floor. The fact that friction operates in the opposite direction from relative motion is one important concept to be aware of in order to minimize friction. This phenomenon might be helpful for slowing down the action until it eventually stops.

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Answer:

57104 yrs old

Explanation:

Its charcoal is found to contain less than 1/1000 the normal amount ofC-14.

1/1000 = (1/2)^n     n = number of half lives  = 9.965 half lives

9.965 half lives * 5730 yrs/half life = 57,104 years

Answer:m/s2 wou

Explanation:

Primary motor neurons of the direct motor pathway produce impulses that cause skeletal muscles to contract voluntarily, whereas primary motor neurons of the indirect motor pathway produce impulses that cause skeletal muscles to contract involuntarily.

For higher motor neuronal signals coming from the cerebral cortex and from basic brainstem motor nuclei, the motor route, also known as the pyramidal tract or the corticospinal tract, acts as the motor pathway. In the corticospinal tract, upper and lower motor neurons are present.

The cranial nerves' higher motor neurons make up the corticobulbar tract. The corticobulbar system, which terminates on motor neurons, regulates the muscles of the face, head, and neck.

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Decrease as the distance squared  after a nice dinner around the campfire on a camping trip, you and a friend decide to get away from the fire to observe the stars. as you get farther and further away.

The amount of thermal energy that a huge fire has transferred is more than that of a little fire, thus you must stand closer to a small fire to feel the same warmth you do when you are farther away. The reaction generates a lot of thermal energy in a huge fire. Less thermal energy is released from the reaction in a tiny fire.

When the temperature rises, a type of energy called thermal energy is produced. The amount of thermal energy is directly inversely proportional to the object's change in temperature. Thermal energy takes the form of heat.

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When two 460g blocks of wood are placed on a frictionless surface, 2.0 m apart, and the bullet stops, the second block moves at a speed of 2.5 m/s. 400m/s is the velocity of a 12g bullet.

comparison of frictionless synonyms continuous creamy easy effortless flat fluid gentle glossy mild tranquil polished serene

M = 460 g for the block's mass

Blocks are separated by x metres.

The bullet's weight is 12 g.

initial bullet speed = u = 400 m/s

final block velocity was 6.2 m/s.

The bullet's speed as it travels through the first block will initially be determined as follows:

mv + mu = Mv

(12)(400) = 12v+460(6.2) (6.2)

v = 162 m/s

V' = m/(m+M)*162

V' = 12/(12+460) *100

V' = 0.0254*100

V' = 2.5m/s

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I am pretty sure that it's the oven

Ibn Sina, also known as Avicenna, was a Persian polymath who made significant contributions to a wide range of fields, including philosophy, medicine, and science. However, his work in the field of the science of forces is not as well known as his contributions to other areas.

Ibn Sina's most significant contributions to the science of forces were in the field of mechanics, the study of motion and the forces that cause it. In his work, he described the concept of momentum, which is the product of an object's mass and velocity, and he also made important contributions to the study of the motion of projectiles.

However, it is important to note that while Ibn Sina made some important contributions to the science of forces, his work in this field was not as influential as the work of other scientists and philosophers, such as Sir Isaac Newton, who made more significant contributions to the development of the laws of motion and the theory of universal gravitation.

The total lift of the balloon is   1,411.74 kg

Step 1: Calculate the volume of the balloon:

V = 4/3πr^3

V = 4/3π*7.55^3

V = 1,630.64 m^3

Step 2: Calculate the mass of the helium:

m_He = V*d_He

m_He = 1,630.64 m^3*0.179 kg/m^3

m_He = 291.33 kg

Step 3: Calculate the mass of the air displaced by the helium:

m_air = V*d_air

m_air = 1,630.64 m^3*1.29 kg/m^3

m_air = 2,090.41 kg

Step 4: Calculate the total lift of the balloon:

Lift = m_He + m_air - mass_skin_structure

Lift = 291.33 + 2,090.41 - 970

Lift = 1,411.74 kg

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When two items come into close proximity, thermal energy moves from the warmer object (which has faster-moving particles) to the colder object (with slower-moving particles).

First, heat is transferred from the lower-temperature object to the higher-temperature object, then it is transferred back to the lower-temperature object, and so on, until the objects are in thermal equilibrium.

Thermal radiations have a frequency range in the infrared and are electromagnetic in nature. All bodies that have an absolute temperature that is not zero emit these. Since they are electromagnetic, heat radiations can bounce off of them and move through space at the speed of light. All of the statements are true.

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9.86*1015 HZ, 2.65*10-11 m, and 40.8 eV of energy were released during the transition from phase 2 to phase 1. In accordance with the hydrogen atom's Bohr model.

A hydrogen atom is an atom belonging to the element hydrogen in chemistry. One positively charged proton and one negatively charged electron are both present in the electrically neutral atom and are held to the nucleus by the Coulomb force.

The energy released during the change from 2 to 1 is given by

E = Eo(1/n^2 - 1/na^2) (2)2(-13.6)(1/2^2-1) = 40.8eV

The frequency is calculated as follows:

f = E/h f = 9.86*1015 HZ

rn = Ao*n2/Z = (5.29*10-11)(1)/2 = 2.65*10-11m is the orbit's radius.

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All objects descend toward the Earth's surface with a constant acceleration of g start text, g, end text in the absence of air resistance. g = 9.8 m s 2 g applies to Earth's surface.

Objects that are claimed to be falling freely do not actually experience much air resistance; instead, gravity is the only force acting on them as they fall. Regardless of their mass, all objects will fall with the same rate of acceleration under these circumstances.

The acceleration of a free falling object can be solved using algebra. The acceleration is constant and equal to the gravitational acceleration g, which at sea level on Earth is 9.8 meters per square second.

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In this given experiment the piston rises a little bit.

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