the mass of jupiter is 3 kg times greater than the mass of the earth and its radius is 11 times greater than the radius of the earth if the value 'g' is 9.8 m/s2 on the earth calculate the 'g' pf the jupiter

Answer:

1. A copper piece cannot be changed into magnets, because -

• Only the ferromagnetic metals (the metals which have magnetic properties) can be changed into electromagnets or permanent magnets.

• But,copper is not a ferromagnetic metal and that's why we cannot change the copper into any kind of magnets

Explanation:

An electrically charged object can be used to attract any object with an opposite charge.

This is due to the fundamental principle that opposites attract and repel in physics.

Electric charge is a fundamental property of matter that gives rise to electromagnetic interactions. An electric charge, whether positive or negative, produces an electric field that surrounds it. This field exerts a force on any other charge in its vicinity that is either attracted to or repelled from it. Electric charge is a fundamental property of matter that produces a variety of electric phenomena. When the charge is concentrated in a localized region of space, the object is electrically charged. When there is a net accumulation of charge in an object, it becomes electrically charged. An electrically charged object produces an electric field in its vicinity, which exerts a force on other charged objects. An electrically charged object can be used to attract objects with an opposite charge or repel objects with the same charge.

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Answer:

self concept

Explanation:

i think its self concept because she thinks

Explanation:

It is A. self concept. Because if I choose self talk I am talking to my self for example I made a mistake, I did something wrong etc.

At wavelength 2.898 x 10^-7 m radiation is maximum in UV region and at wavelength 2.898x 10^-10 meter in X ray region.

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Using this formula m=W/g, the mass of an object if its weight on earth is 1150N is 117.347 kg

Let mass of an object be m, weight be W and acceleration due to gravity is g.

From the formula m=W/g

mass m =?

weight w = 1150N

g=9.8 m/\(s^{2}\)

So,  the mass of an object if its weight on earth is 1150N will be calculated as:

m=1150/9.8

m=117.347 kg

Hence using the formula m=W/g, the mass of an object if its weight on earth is 1150N will be 117.347 kg.

This is in acceptance with Newton's laws of motion as well and thus calculated according to given formula.

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Starting from the left the first is reflection, the second is refraction, while the last is diffraction

This is when a travelling wave changes direction to bounce back when the wave struck a barrier. This phenomenon is used in the science utilized in lighting. Reflectors are used to through the light to various directions to suit the purpose used. The reflectors are usually made of silvery surface.

The phenomenon corresponding to this is the first from the left. The diagram shows that the travelling wave did not pass through the barrier however it bounced backward.

this is the term used to refer to a phenomenon whereby a travelling wave changes direction of propagation when the wave travels from one medium to another. The two media at play usually have different densities for refraction to take place.

from the figure, the second from the left depicts refraction. The travelling wave changed direction when it enters a different medium of different density.

Diffraction is the phenomenon where by a travelling wave spreads out when then it encounters a barrier or an opening

The third image from the left represents the spread out associated with diffraction.

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ANSWER

2304 mg

EXPLANATION

The rate is given in mg per minute. To find how much the brain's mass increases in one day we have to find how many minutes are in a day.

Assuming that a day has 24 hours and 1 hour has 60 minutes:

One day has 1440 minutes. Then, in one day the brain's mass increases:

The newborn baby's brain's mass increases 2304 mg in one day.

Answer:

1800

Explanation:

force = mass times acceleration

The best way would be to test groups of each kind of fabric by exposing them to the same amount of water for the same amount of time. The correct option is A.

In conducting scientific experiments to compare test subjects such as the fabrics mentioned in the illustration, the test subjects must be subjected to the same conditions.

The outcome of the experiment will no longer be scientifically valid if the test subjects are not exposed to the same condition.

Thus, the two fabrics must be exposed to the same amount of water for the same amount of time in order to come to a valid conclusion about which is a better water repeller among the two.

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(a) The equivalent resistance of the circuit is 0.52 ohms.

(b) The total electric current that runs through the circuit is 40.38 A.

(c) The value of the electric current passing through the resistor of 1.0 Ohm is 21 A.

(d) The power dissipated through the 8.0 Ohm resistor is 55.13 W.

The equivalent resistance of the circuit is calculated as follows;

1/R = 1/(1 + 1) + 1/(2 + 2 + 2) + 1/(6) + 1/(2) + 1/8 + 1/8 + 1/6 + 1/6

1/R = 1/2 + 1/6 + 1/6 + 1/2 + 1/8 + 1/8 + 1/6 + 1/6

1/R = 1 + 2/3 + 1/4

1/R = 23/12

R = 12/23

R = 0.52 ohms

V = IR

I = V/R

I = 21/0.52

I = 40.38 A

V = IR

I = V/R

I = 21/1

I = 21 A

P = V²/R

P = (21)²/8

P = 55.13 W

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By the law of universal gravitation, the gravitational force F between the satellite (mass m) and planet (mass M) is

F = G M m / R ²

where

• G = 6.67 × 10⁻¹¹ m³/(kg•s²) is the universal gravitation constant

• R = 2500 km + 5000 km = 7500 km is the distance between the satellite and the center of the planet

Solve for M :

M = F R ² / (G m)

M = ((3 × 10⁴ N) (75 × 10⁵ m)²) / (G (6 × 10³ kg))

M ≈ 2.8 × 10¹⁴ kg

In a rope undergoing 5th harmonic motion with a length of 1.5 meters, the wavelength of the wave can be calculated.

Harmonic motion in a rope refers to the various modes of vibration or standing waves that can occur on the rope. The harmonic number indicates the number of nodes present on the rope. In this case, the rope is undergoing 5th harmonic motion.

To calculate the wavelength of the wave, we need to consider the relationship between the length of the rope and the number of nodes. In general, for harmonic motion, the wavelength is twice the length of the rope divided by the harmonic number (λ = 2L/n).

Given that the length of the rope is 1.5 meters and the harmonic number is 5, we can substitute these values into the equation to find the wavelength. Thus, the wavelength (λ) of the wave can be calculated as λ = 2(1.5 m)/5 = 0.6 meters.

Therefore, in the given scenario, the wavelength of the wave in the 5th harmonic motion of the 1.5-meter long rope is 0.6 meters. This wavelength represents the distance between two consecutive nodes or the length of one complete wave cycle.

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Answer: Collinear forces are forces that have a common line of action, i.e. the line of action of the forces lies along a single straight line.

Explanation:

Answer: a b c or d

Explanation

As wavelength increases, the energy of a photon decreases and its frequency decreases.

Wavelength is a measure of the distance between consecutive peaks or troughs of a wave. It is a basic property of any wave, including electromagnetic waves such as light, radio waves, and microwaves, and also mechanical waves such as sound. The wavelength of a wave determines its color, frequency, and energy. A shorter wavelength corresponds to a higher frequency and higher energy, while a longer wavelength corresponds to a lower frequency and lower energy.

Here,

This relationship is described by the equation E = hf, where E is the energy of a photon, h is Planck's constant, and f is the frequency of the photon.

As wavelength increases, the energy of a photon decreases and its frequency decreases.

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Answer:

Explanation:

By the time the hot water gets to the place where it can be used for heating, it will have lost a great deal of energy to the surroundings.

The way to prevent that from happening is to insulate the pipeline with fiber glass like house insulation. Of course since this is a physics question and not an engineering problem, you could move the power station closer to the houses to be heated.

The use of Insulating Layers with low Conduction Coefficients and radii greater than Critical Radius diminish Losses and gives important Savings in terms of Energy Efficiency.

The main problem of Transportation of Waste Energy through Long Distances is the heat transfer between the Fluid flowing through the Tube and Surroundings. Heat Losses are directly proportional to the Distance travelled by the Fluid.

A possible way to minimize this Problem is to isolate outer surface of Tubes with materials with low Conduction Coefficients. at Critical Radius, in which Heat Losses reach its theoretical Maximum, from which Heat Transfer tends to diminish at greater radii.

According to the Theory of Heat Transfer, the Critical Radius of the Insulating Layer is equal to:

\(r_{c} = \frac{k}{h}\) (1)

Where:

Using materials with low Conduction Coefficient minimize Thickness requirements and, therefore, overall costs tends to sink when \(r > r_{c}\).

Hence, the use of Insulating Layers with low Conduction Coefficients and Radii greater than Critical Radius diminish Losses and gives important Savings in terms of Energy Efficiency.

Electrical current from a 9 volt battery is not a type of electromagnetic radiation.

The following list is correctly ordered from shortest to longest wavelength:

gamma rays, UV, radio waves, IR.

The statement "The bright red emission line for hydrogen ( H-alpha line), results from the drop (transition) of its electron from the n = 3 to n = 2 level" is True. Electromagnetic radiation consists of oscillating electric and magnetic fields that travel through space at the speed of light. It includes radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays, and gamma rays.

Electrical current from a 9 volt battery is not a type of electromagnetic radiation. It is a flow of electric charge, which is not an oscillating electric and magnetic field.

The following list is correctly ordered from shortest to longest wavelength: gamma rays, UV, radio waves, IR. Gamma rays have the shortest wavelength, followed by UV, radio waves, and then IR.

The statement "The bright red emission line for hydrogen ( H-alpha line), results from the drop (transition) of its electron from the n = 3 to n = 2 level" is True. When the electron of a hydrogen atom drops from a higher energy level to a lower energy level, it emits a photon of light.

The energy of the photon depends on the difference in energy between the two levels. The H-alpha line is a specific emission line that results from the transition of an electron from the n = 3 to n = 2 energy level.

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Answer:

Hibernation allows the animal to survive when food is scarce.

Explanation:

in spring they need food to survive

Yes, it is possible to get an object positively charged even if it is not moving. This can be achieved by adding or removing electrons from the object, leaving it with a net positive charge. This process is called charging by contact or charging by induction and can be done by rubbing the object with another material, applying an electric field, or using other methods to transfer electrons.

Electric charge is a fundamental property of matter, which describes the amount of electric force that an object can exert on other objects. There are two types of electric charges, positive and negative. Objects with the same charge will repel each other, while objects with opposite charges will attract each other.

In terms of a moving body, when a charged object is moving relative to another object, the charge on the moving object can appear different to an observer on the stationary object. This is because of a phenomenon called the Lorentz transformation, which describes how space and time are perceived differently by different observers depending on their relative motion. As a result, the charge on a moving object can appear to be different from its charge when it is at rest, although its net charge remains the same. This effect is important in fields such as particle physics and electromagnetic theory.

Therefore, Yes, even if an object is not moving, it can still become positively charged. By introducing or removing electrons from the object, a net positive charge can be created. By rubbing the object with another substance, generating an electric field, or utilizing other techniques to transfer electrons, this process, also known as charging by contact or charging by induction, can transport electrons.

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Answer:

When the ball goes down its mechanical energy is conserved, ust before touching the ground all the energy is kinetic

When the ball touches the floor, energy has been converted into potential and heat, by the deformation of the ball.

Explanation:

When the ball goes down its mechanical energy is conserved, this is the power energy due to the height it is converted into kinetic energy to medicad that falls, just before touching the ground all the energy is kinetic.

When the ball touches the floor, the kinetic energy is not conserved, but if we define a system formed by the ball and the floor, the amount of movement is conserved, this being an inelastic shock, because the bla and the floor are stuck, so which energy has been converted into potential and  energized and heat by the deformation of the ball.

   Consequently all the mechanical energy that the ball brings before reaching the ground was converted into potential energy and heat during the crash.

The ball of dough does not rebound after it hits the ground because its kinetic energy store decreases, ie; most of its kinetic energy is transferred to the surroundings as thermal energy and sound energy.

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Let's call x the vinegar.

• The first brand contains 7% vinegar, this can be expressed as ,0.07x,.

• The second brand contains 12% vinegar, this can be expressed as ,(210-x)*0.12, because the total amount is 210 mL.

• The chef wants to make 210mL which is 11% vinegar, this is going to be the other side of the equation.

Let's express the equation.

Now we solve for x.

Answer:

Explanation:

Gather information on the exact place and time of your birth.

Choose a Western birth chart calculator for the simplest approach.

Try a Eastern sidereal calculator for a deeper dive into planetary cycles.

Enter your time and place of birth into the calculator.

Study what each planet means.

High and low tides are caused by the moon because the moon's gravitational pull creates something called "the tidal force." The tidal force causes Earth—and its water—to bulge out on the side closest to the moon and the side farthest from the moon. These bulges of water are high tides.

The tidal force from the moon affect our earth and causes ocean waves

Generally, The moon causes High and low tides by the gravitational force that apply to the earth.

In conclusion, This occurs as the force pushes the water and causes it to bulge out on the side closest to the moon and the side farthest from the moon.

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Answer:

LOL! couldnt be me either bestieeeee

Answer:

-_-

Explanation:

i dont know What was XD??

Answer:

7.1 m/s

Explanation:

The fish goes 6.1 m vrtically....calc the time to fall this far

d = 1/2 a t^2

6.1 = 1/2 ( 9.81)(t^2) shows t = 1.12 sec

It flies 7.9 m in 1.12 sec   =   7.9/1.12 = 7.1 m/s

Answer: 7.1 m/s

Explanation:

Answer:

Interval training is simply alternating short bursts (about 30 seconds) of intense activity with longer intervals (about 1 to 2 minutes) of less intense activity. For instance, if your exercise is walking and you're in good shape, you might add short bursts of jogging into your regular brisk walks.

Explanation:

Answer:

Interval training is simply alternating short bursts (about 30 seconds) of intense activity with longer intervals (about 1 to 2 minutes) of less intense activity. For instance, if your exercise is walking and you're in good shape, you might add short bursts of jogging into your regular brisk walks

Explanation:

The work done by the brakes to stop the car will be 56.25 kN-m.

If the amount of force is applied to the body and the body gets displaced from its original place. Then it is said to work is done on the system. The work done is given as,

WD = Force x Displacement

A vehicle is going along a street when the driver detects a hedgehog crossing ahead. The driver applies a slowing down the power of 2500 N and figures out how to stop the vehicle after 7.5 meters to stay away from the hedgehog.

The work done is calculated as,

WD = 7500 x 7.5

WD = 56,250 N-m

WD = 56.25 kN-m

The work done by the brakes to stop the car will be 56.25 kN-m.

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The given statement that net electric flux crossing an open surface is never zero, is false.

The net electric flux of an electric field through a closed surface is equal to the enclosed charge, divided by the permittivity of the free space. Where charge is taken in the unit of coulombs.

The net electric flux cross an open surface can also be zero if the is perpendicular to the direction of the field. In other word if the field lines are parallel to the surface. Electric flux is a scaler quantity. The SI unit of electric flux is N-m²/C.

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