An 85-kg rock climber, when reaching the summit, built up 250,000 j of gravitational potential energy. how high did the climber go?

meters

Answer: regression

Regression is the defense mechanism of repressing thoughts of a traumatic or problematic event by reverting memory back to before it happened, so this is the closest one to the scenario in the answer.

Reaction formation is the mechanism in which a person does the opposite of what their impulse tells them to.

Explanation:

hope this will help u

Answer:

I'll take this one also

We need to add 1,634,320 J of heat energy to the water to bring it from 22 °C to 100 °C.

What  is Heat Energy?

Heat energy is the form of energy that is transferred between two objects or systems as a result of a temperature difference between them. It is a form of internal energy that flows spontaneously from hotter to colder matter, and it is measured in joules (J) or calories (cal). Heat energy can be transferred through three main methods: conduction, convection, and radiation.

To calculate the heat energy required to heat up the water in the soup pot, we can use the formula:

Q = mcΔT

where Q is the heat energy, m is the mass of the water, c is the specific heat capacity of water, and ΔT is the change in temperature.

Given:

m = 5000 g

ΔT = (100 °C - 22 °C) = 78 °C

c = 4.184 J/g·°C (specific heat capacity of water)

Q = (5000 g) × (4.184 J/g·°C) × (78 °C)

Q = 1,634,320 J

Therefore, we need to add 1,634,320 J of heat energy to the water to bring it from 22 °C to 100 °C.

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Answer:

Explanation:

line graph

The statement that is true concerning a substance with high specific heat is as follows: the substance cools down slowly after heating. an example substance is aluminum metal (option A)

Specific heat or specific heat capacity refers to the heat capacity per unit mass of a pure substance.

In other words, specific heat is defined as the amount of heat needed to increase the temperature of 1kg of a material by 1K and is expressed in terms of J/kg·K or equivalently J/kg·°C.

The specific heat capacity of a material is a physical property. It is also an example of an extensive property since its value is proportional to size.

Water is an example of a substance that has an extremely high specific heat capacity, which makes it good for temperature regulation.

Therefore, a substance with high specific heat cools down slowly after heating and an example is aluminum metal.

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Answer:

588 J

Explanation:

P.E = mgh

      = 6 * 9.8 * 10

     = 588 J

if g value is rounded and taken as 10 then answer is 600 J.

Initial launch speed of the cars are in order as  Vcar 1 = Vcar 2< Vcar 3

Speed (often abbreviated as "s") is a scalar variable that describes how much an object's location changes over time or how much it changes per unit of time. The average speed of an item in a period of time is the distance traveled by the object divided by the duration of the period.

Time divided by distance are the speed-related metrics.. The meter per second (m/s) is the SI unit of speed, while the kilometer per hour (kph) is the most often used unit of speed in daily life.

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"An electron beam is aimed at two closely spaced slits. The beam is attenuated to produce only one electron per minute is known as interference pattern." The answer is yes.

When an electron beam is aimed at two closely spaced slits, the electrons passing through the slits will interfere with each other, producing an interference pattern on a screen behind the slits. The interference pattern will be a series of bright and dark bands, where the bright bands correspond to constructive interference and the dark bands correspond to destructive interference.

When a beam of electrons is passed through two closely spaced slits, it creates an interference pattern on a screen behind the slits. This pattern results from the wave-like behaviour of electrons and the interference between the electrons passing through the two slits. The pattern appears as a series of bright and dark bands, where the position and intensity of the bands are determined by the relative phase of the electrons.

The interference pattern only becomes noticeable with a large number of electrons passing through the slits at the same time. If only one electron is passing through the slits per minute, the pattern will not be easily observable.

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Answer:59.3

Explanation:

The force due to gravity or weight is 582 N. The mass of a student  is 59.39 Kg.

A force is an effect that can alter an object's motion according to physics. An object with mass can change its velocity, or accelerate, as a result of a force. An obvious way to describe force is as a push or a pull. A force is a vector quantity since it has both magnitude and direction.

Force = mass.acceleration

582 = m*9.8

m = 59.39 Kg.

The force due to gravity or weight is 582 N. The mass of a student  is 59.39 Kg.

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Answer:

It doesn't change. It stays the same.

I hopes this helped you and if it did I'm glad I helped someone!!!

Explanation:

Answer:

A- Martin brings his friends home to meet grandpa.

Explanation:

took the test.

Answer:

A

Explanation:

on edge :)

Answer:

the helis speed increased its speed by 35 m/s. Unless you are asking me what was the speed per second. if you were asking me for the speed per second then that would be a different answer

Explanation:

Answer:

7 m/s ^2

Explanation:

a=  60 m/s - 25 m/s over 5 s

a= 35 m/s over  5 s

a= 7 m/s^2

Answer:

The system software is a collection of programs designed to operate, control, and extend the processing capabilities of the computer itself. System software serves, the interface between the hardware and the end users. Some examples of system software are Operating System, Compilers, Interpreter, Assemblers.

Explanation:

A computer software is a collection of computer programs that provides instructions for a computer on what to do and how to do it. There are two types of software:

1. System Software       2. Application software

1. System software controls the various operations performed by the computer hardware. It helps the user operate the computer system.

2. An application software is used to perform operations for a specific task.

La adicion de vectores permite encontrar la repuesta para la velocidad resultante del avión es:

Las magnitudes vectoriales son cantidades tienen modulo y dirección, la velocidad es una de estas magnitudes, por lo tanto deben ser sumada usando álgebra vectorial.

Un sistema de referencia es un sistema desde donde realizar las mediciones, en este caso indican que usemos un sistema de los puntos cardinales.

En el adjunto podemos ver un esquema de los vectores velocidad y su resultante, realicemos el calculo de la resultante por método analíticos

Indican que el valor de la velocidad hacia el Este es vₓ = 20 m/s y la velocidad hacia el Norte es v_y = 90 m/s, por lo tanto, para la magnitud usamos el Teorema de Pitágoras

           \(R= \sqrt{v_x^2 + v_y^2}\)

           R = \(\sqrt{20^2 + 90^2}\)

          R = 92,2 m/s

Para encontrar la direccion usemos trigonometría

          tan θ = \(\frac{v_y}{v_x}\)

          θ = tan⁻¹ \(\frac{v_y}{v_x}\)

          θ = tan⁻¹ 20/90

          θ = 12,5º

La dirección se lee 12,5º al Norte del Este

En conclusión usando la suma de vectores  podemos encontrar la repuesta para la velocidad resultante del avión es:

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Answer:

The amount of charge increases.

Explanation:

For a capacitor that has its plates still connected to a battery, the voltage on the capacitor remains constant. If the distance between the two plates of this capacitor is decreased, the capacitance will increase, and then the charge on the plate will increase in accordance with the relationship

Q =CV

From this relationship, if V is held constant, then Q has to increase for C to increase also.

Answer:

it's D

Explanation:

Answer:

Informed Consent- The study didn't conform this ethical standard.

Debriefing- The study conforms this ethical standard.

Confidentiality- The study conforms this ethical standard.

Protection from harm- The study conforms this ethical standard.

Explanation:

Informed consent is described as a procedure whereby researchers tend to provide details about specific research they are going to conduct, the risk & benefits involved in the study, different alternatives involved in the procedure, etc.

Debriefing is described as a process that is being conducted in any of the different psychological research encompassing human participants after specific research is completed. The researcher tends to describe the details of the research to the participants.

Confidentiality is described as one of the different code of ethics followed by health workers or psychologists. While practicing confidentiality, a psychologist tends to promise his or her participants that he or she will keep everything a secret whatever is being discussed or shared between both of them.

Protection from harm determines that the psychologists conducting research follows the ethics in which he or she has to protect all the participants from any kind of harm.

Answer:

I think its A

Explanation:

Answer:

MY friend has already described the purpose of projectile motion so I will quickly go through the uses of each equation ...

Explanation:

TIME OF FLIGHT = it is given as 2Usin tita/g...it is the total time taken to and fro...it is 2x of the time taken ....

TIME taken ..t= Usin tita / g.....is the time taken to reach the maximum height which is 1/2 the TOTALTIME OF FLIGHT GIVEN ABOVE ..

MAXIMUM HEIGHT: the maximum height is the height attained by the projectile when projected ...it is calculate using the formula = U^2 sin^2 tita / 2g

Range =Search Results

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An object launched into projectile motion will have an initial launch angle anywhere from 0 to 90 degrees. The range of an object, given the initial launch angle and initial velocity is found with: R=v2isin2θig R = v i 2 sin ⁡ 2 θ i g .

The strength of the repulsion or attraction weakens and drops to one-fourth of its initial value when the gap between the two electrons is doubled.

According to the Law of Attraction, when we alter our emotions and thoughts, we alter our electromagnetic field, which attracts a new reality from of the Quantum Field. We must hold that condition of being long sufficient to allow the manifestations to take place after the thought and the sensation have to coincide.

According to the Law of Attraction, when we alter our opinions and feelings, we alter our electromagnetic field, which attracts a new reality from Quantum Field. The thought must coincide with the feeling, and we must then maintain that condition of being for long enough to allow the manifestation to take place.

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The scale will read 147N

The mass of the object, m = 15 kg

Since I am on the earth, the acceleration due to gravity on the earth is:

g = 9.8 m/s²

The scale will read the weight of the object, and is calculated below

The weight, W = mg

W = 15(9.8)

W = 147 N

Therefore, the scale will read 147N

The amount of energy required by 3 kilogram of Manganese to raise the temperature by 20 degree kelvin is 28.8 KJ.

The heat capacity of manganese is given to be 0.480 KJ/kg-K.

We have to raise the temperature of 3 kilogram of Manganese by 20 degree kelvins.

We know that the change in heat of the compound is given by the formula,

Q = MC∆T

Where Q is the heat/energy gained,

C is the heat capacity of Manganese,

∆T is the total change in temperature of Manganese.

Putting values in the above relation accordingly,

Q = 0.480 x 3 x 20

Q = 28.8 KJ.

So the energy required to raise the temperature of Manganese by 20 kelvin is 28.8 KJ.

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8100 kgm/s is a possible value for the boat's momentum at t- 3.0 s after the engine had started

m=1000kg

a=2.7 m/s^2

t=3

I=F/t

I=2700/2

I=900

F×t=P

P = momentum

t=time

f= force

F×t=P

P=2700×3

P=8100 kgm/s

Momentum is the result of a particle's mass and velocity combined. A vector quantity with both magnitude and direction is momentum. A particle's force is equal to its rate of change in momentum over time, which is stated in Isaac Newton's second equation of motion.

Any grouping of particles has a momentum equal to the vector sum of its momenta. The third law of Newton asserts that forces between particles are equal and opposite, and that any change in one particle's momentum is totally counterbalanced by a similar change in another particle's momentum.

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Answer:

b

Explanation:

The frequency of X-rays is 3.58 A 10¹⁶. Although X-rays have a narrow enough wavelength to image individual atoms, their normal frequency makes them difficult to detect.

X-rays are electromagnetic radiation with higher energy and greater permeability and are therefore used to examine internal body defects in humans. The wavelength of a wave or ray is its length. Lambda stands for wavelength. It is an excellent emblem. Listen to the wavelength of X-rays, which is 8.38 nanometers. It is necessary to calculate the frequency of X-rays.

Frequency is calculated in nanometers. By dividing c by lambda, the wavelength of the wave, the frequency can be determined. λ = 8.38 nm = 8.38 A 10⁻⁹fm = νc / λ = 3 A 10⁸ / 8.38 = 3.58 A 10¹⁶. 3.58 A 10¹⁶.Do

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The net force acting on the wagon at a constant speed is 0.

The value of the force of friction acting on the wagon is 55 N.

The net force acting on the wagon is calculated by applying Newton's second law of motion as shown below.

F - Ff = ma

where;

At a constant speed, the acceleration of the wagon = 0

F - Ff = 0

F - Ff = F(net)

Thus, the net force is zero, when the speed of the wagon is constant.

The force friction acting on the wagon if the force on the wagon increased to 30 N is calculated as;

F - Ff = 0

( 30 N + 25 N ) - Ff = 0

Ff = 55 N

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When a student pulls a cart towards the right on a rough surface, the direction of the frictional force acting on the cart will be to the left in the opposite direction of motion of the cart.

Frictional force is a force that acts to oppose the motion of an object moving over another object.

Frictional force is a contact force as it requires contact between the two surfaces.

Frictional force acts at the surface of separation of the objects.

Frictional force causes wear and tear in moving parts of machinery.

However, frictional force enables the movement of objects over flat surfaces, for example, it aids in walking.

In conclusion, frictional force acts in an opposite direction to the motion of an object moving over another object.

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Answer:

250 mL

Explanation:

Answer:

Explanation:

Energy is defined as the ability to cause changes in matter. The energy of moving matter is called kinetic energy.

The electric potential at point b experienced by the charge cab be determined using the formulas given.

The electric potential of a point charge is the work done in moving the charge from infinity to certain point against the electric field.

V = Ed

V = (F/q)d

V = (Fd)/q

where;

Thus, the electric potential at point b experienced by the charge cab be determined using the formulas given.

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