what is the magnitude of the gravitational force on each mass when m1=600 kg m2=400 kg, and their centers are 6 m apart? (choices shown in image)​

Edit: I didn't realize there is a simulation for this question, so I used the simulation and got 4.45 x 10^-7, if anybody needs the answer

Answer:

Its internal energy decreases by 40 J.

Explanation:

The energy supplied to the metal block causes the temperature of the block to rise. Therefore,

\(Heat\ Supplied = mC\Delta T\\80\ J = mC(20^oC)\\mC = 4\ J/^oC\\\)

Now, we will use this value of mC to find out the energy change of block:

\(Energy\ Change = mC\Delta T\\Energy\ Change = (4\ J/^oC)(-10^oC)\\Energy\ Change = -40J\\\)

It shows that when the temperature of the metal block falls by 10°C,

Its internal energy decreases by 40 J.

False. Reduction is actually the gain of electrons, usually accompanied by the addition of hydrogen to a molecule or atom. This process is commonly used in organic chemistry to create new molecules with specific properties. During reduction, a molecule or atom gains electrons, and since electrons have a negative charge, the overall charge of the molecule or atom decreases. This is why the process is called reduction.

In organic chemistry, reduction reactions typically involve the use of reducing agents, which are compounds that are capable of donating electrons to other molecules or atoms. Some common reducing agents include lithium aluminum hydride, sodium borohydride, and hydrogen gas. These agents are often used in conjunction with other reagents and solvents to achieve the desired chemical reaction.

Overall, reduction is an important process in chemistry that is used to create new molecules with specific properties. By gaining electrons and hydrogen, molecules and atoms can become more stable and less reactive, making them useful for a wide range of applications. Whether you are studying organic chemistry or simply interested in the basic principles of chemistry, understanding reduction is an essential part of your knowledge base.
False. The statement provided is incorrect. Reduction is actually the process of gaining electrons or adding hydrogen to a molecule or atom, not removing hydrogen or electrons.

In a reduction reaction, a substance undergoes a change in its oxidation state, typically by gaining electrons or hydrogen atoms. This process often occurs in tandem with oxidation, where another substance loses electrons or hydrogen atoms, and the two reactions together are known as a redox (reduction-oxidation) reaction.

In summary, reduction is the process of gaining electrons or adding hydrogen to a molecule or atom, while oxidation involves the loss of electrons or hydrogen atoms.

For more information on Reduction visit:

brainly.com/question/14698511

#SPJ11

Answer: Moon, Mercury, Mars, Venus, Earth

Explanation:

The current is increased by a factor of 8.

From 18/35 A. to 144/35 A.

The electric current changes from 0.514 ampere to 4.14 ampere, i.e, electric current flow in the circuit increases 8 times.

A stream of charged particles, such as electrons or ions, travelling through an electrical conductor or a vacuum is known as an electric current. The net rate of electric charge flowing through a surface or into a control volume is how it is calculated.

Initial electric current flowing through the circuit = (18 volt ÷ 35 ohms)

= 0.514 ampere.

When the initial voltage of 18 V is doubled, and the initial resistance of 35 Ohms is reduced by a factor of 4, electric current flowing through the circuit will be = (2 × 18 volt )÷ (35 ohms÷4)

= 4.114 ampere.

Hence, electric current changes from 0.514 ampere to 4.14 ampere, i.e., electric current flow in the circuit increases 8 times.

Learn more about electric current here:

https://brainly.com/question/2264542

#SPJ2

Answer:

Explanation:

The formula for expressing the quantity of heat released is expressed as;

Q = mcΔt

m is the mass of the substance = 100g - 0.1kg

c is the specific heat capacity of the substance

Δt is the change in temperature = 13 -(-15) = 28°C

Substitute and get c;

45000 = 0.1c(28)

2.8c = 45000

c = 45000/2.8

c = 16,071.42J/kgK

Hence the specific heat capacity of the substance is 16,071.42J/kgK

Given what we know, although this question is missing information as to the direction of movement of the proton, we can still confirm that if the proton is not being deflected, then the electric field is in the same direction as the movement of the proton.

Therefore, given that the electric field will generate the electric force to cause the movement of the proton, and that positive charges will move in the same direction while negative charges will move away, we can confirm that the electric field is in the same direction as the movement of the proton given its positive charge.

To learn more about electric fields visit:

https://brainly.com/question/12757739?referrer=searchResults

Answer:

c.) 60 000j

Explanation:

c.) 1kj=1000j

60kjx1000

=60 000joules

Answer:

revised

Explanation:

Answer:

Explanation:

When a hypothesis test fails to reject the null hypothesis, it means that there is not sufficient evidence to support the alternative hypothesis. In this case, the alternative hypothesis is that the mean number of hours students study at the university (per day) is less than 3.8 hours.

Therefore, the correct interpretation of a decision that fails to reject the null hypothesis is:

There is not sufficient evidence to support the claim that the mean number of hours students study at the university (per day) is less than 3.8 hours (μ < 3.8).

know more about hypothesis: brainly.com/question/29576929

#SPJ11

A bullet is fired upward with an initial velocity of 100 m/s. What will be it’s velocity when it hit the ground?

Zero. It is sitting on the ground.   This would almost always “assume” a friction-less environment where the only force acting on the bullet is gravity.  In this case, it would be 100 m/s immediately before hitting the ground. (zero once it comes to rest)

The wavelength of the sound wave produced by the bagpipe is 0.773 m.

The separation between two identical locations in two succeeding waves is known as the wavelength of a wave. The separation between each wave's crest (or trough) and the next is known as the wavelength. Equations that describe wavelength use the Greek letter lambda as the representation.

The wavelength of light determines its hue, much as the wavelength of sound determines its pitch. The visible spectrum of light has wavelengths between around 700 nm (red) to 400 nm (violet). Audible sound has a wavelength that ranges from 17 mm to 17 m. Compared to visible light, audible sound has much longer wavelengths.

Given, Frequency of sound, f = 440 Hz

Speed of sound, v = 340 m/s

For the wavelength of the sound wave,

v = f × λ

Putting the values,

λ = \(\frac{340}{440}\)

To know more about wavelength, visit:

brainly.com/question/24452579

#SPJ4

Answer: no exact answer

=

Explanation:

Answer:

 I₃ = I₀ 0.395

Explanation:

Polarized light passing through a polarizer must comply with Malus's law

         I = I₀ cos² θ

Before starting, let's analyze the angle between the polarizers, the second has the same angle with the first and the third, so it is at the midpoint

         θ₂ = 39/2 = 19.5

now let's analyze the light that passes through each polarizer, as the incident is unpolarized through the first polarizer half the intensity comes out

          I₁ = I₀ / 2

the second polarizer comes out

          I₂ = I₁ cos² 19.5

          I₂ = I₀ / 2 cos² 19.5

through the third polarized the intensity passes

          I₃ = I₂ cos² 19.5

          I₃ = (I₀ /2 cos² 19.5) cos² 19.5

          I₃ = I₀ 0.395

Answer:

Acute exposure to the vacuum of space: No, you won't freeze (or explode) ... Upon sudden decompression in vacuum, expansion of air in a person's lungs is likely to cause lung rupture and death unless that air is immediately exhaled.

Explanation:

Explanation:

Distance is the product of speed and time:

Distance is the product of speed and time:[math]36 \frac{km}{h[/math]} ×5seconds

Distance is the product of speed and time:[math]36 \frac{km}{h[/math]} ×5seconds = 180km3600seconds×seconds = 1803600 km

Distance is the product of speed and time:[math]36 \frac{km}{h[/math]} ×5seconds = 180km3600seconds×seconds = 1803600 km= 0.05 km

Distance is the product of speed and time:[math]36 \frac{km}{h[/math]} ×5seconds = 180km3600seconds×seconds = 1803600 km= 0.05 km= 20 m

Hope u this answer cleared ur doubt

The height, h to which the package of mass m bounces to depends on its initial velocity, v and the acceleration due to gravity, g and is given below:

\(h = \frac{v^{2}}{2g}\)

Perfectly elastic collisions are collisions in which the momentum as well as the energy of the colliding bodies is conserved.

In perfectly elastic collisions, the sum of momentum before collision is equal to the momentum after collision.

Also, the sum of kinetic energy before collision is equal to the sum of kinetic energy after collision.

Since some of the Kinetic energy is converted to potential energy of the body;

\(\frac{mv^{2}}{2} = mgh\)

\(h = \frac{v^{2}}{2g}\)

Therefore, the height to which the package m bounces to depends on its initial velocity and the acceleration due to gravity.

Learn more about elastic collisions at: https://brainly.com/question/7694106

Answer:

Ok

Explanation:

Speed

We want to compare the gravitational acceleration of different planets by using the given table. The correct option is the last one, so we have:

Planet Y, planet W, planet Z, planet X.

First, we know that the velocity equation is written as:

V(t) = a*t + v₀

Where a is the acceleration and v₀ is the initial velocity.

With this equation, we can find the acceleration in each planet.

Planet W

The initial velocity is v₀ = -3m/s

V(t) = a*t - 3m/s

And we know that at t = 2s, the velocity is -22m/s.

v(2s) = -22m/s = a*2s - 3m/s

           -22m/s + 3m/s = a*2s

           -19 m/s = a*2s

           (-19 m/s)/2s = a = -9.5m/s^2

Now we just do the same thing for each planet.

Planet X:

v₀ = -0.5 m/s

v(1s) = -4.2 m/s = a*1s - 0.5 m/s

          -4.2 m/s + 0.5 m/s = a*1s

          -3.8 m/s^2 = a

Planet Y:

v₀ = 0 m/s

v(2s) = -21 m/s = a*2s

           (-21 m/s)/2s = a = -10.5 m/s^2

Planet Z:

v₀ = 0 m/s

v(1s) = -8 m/s = a*1s

          (-8 m/s)/1s = a = -8m/s^2

Then the order from greatest to least is:

Y, W, Z, X

So the correct option is the last one.

If you want to learn more, you can read:

https://brainly.com/question/10674495

a) So, the magnitude of the electric field that acts on the lithium nucleus is 4.63 × 108 N/C.  b) Therefore, we can assume that the helium nucleus is at rest initially, i.e., it is located at the origin.

(a) To calculate the magnitude of the electric field that acts on the lithium nucleus, we use the equation

F=Eq,

where F is the force acting on the particle, E is the electric field, and q is the charge of the particle.

F = ma,

where F is the net force acting on the particle,

m is the mass of the particle, and

a is the acceleration of the particle.

The charge on the lithium nucleus is +3e (where e is the elementary charge) and the mass is 6.941

u = 1.158 × 10−25 kg.

Therefore, the force on the nucleus is:

F = ma = (1.158 × 10−25 kg)(3.6 × 1013 m/s2)

F = 4.169 × 10−12 N.

The electric field is given by:

E = F/q = (4.169 × 10−12 N)/(3e)

E = 4.63 × 108 N/C.

So, the magnitude of the electric field that acts on the lithium nucleus is 4.63 × 108 N/C.

(b) If this acceleration is due solely to a single helium nucleus (two protons and two neutrons), the force acting on the helium nucleus would be:

F = ma

F = (4.003 × 10−3 u)(3.6 × 1013 m/s2)

F = 1.441 × 10−8 N.

The charge on the helium nucleus is +2e.

Using the equation F = Eq,

the electric field acting on the helium nucleus is:

E = F/q = (1.441 × 10−8 N)/(2e)

E = 7.205 × 10−9 N/C.

The electric field due to the helium nucleus is directed towards the left.

We know that the electric field due to the lithium nucleus is directed towards the right.

Therefore, the net electric field acting on the lithium nucleus is:

E_net = E_lithium - E_helium

E_net = 4.63 × 108 - 7.205 × 10−9

E_net = 4.63 × 108 N/C (towards the right).

The force due to the net electric field on the lithium nucleus is:

F_net = Eq_net = (3e)(4.63 × 108 N/C)

F_net  = 1.389 × 109 N.

The force due to the net electric field acting on the helium nucleus is:

F_helium = Eq_helium

F_helium = (2e)(7.205 × 10−9 N/C)

F_helium = 1.441 × 10−8 N.

The force due to the net electric field acting on the helium nucleus is much smaller than the force acting on the lithium nucleus.

to know more about electric field visit:

https://brainly.com/question/30544719

#SPJ11

The question seeks the magnitude of the electric field acting on a lithium nucleus and the initial position of a helium nucleus if the acceleration of the lithium nucleus is due solely to it. The electric field can be calculated with the formula E = ma/3e, and considering the given acceleration and the charge and mass of the lithium nucleus. The helium nucleus, being also positively charged, should lie to the left of the lithium nucleus.

The subject of this question is investigating the effects of electric forces on a lithium nucleus and a helium nucleus. This is essentially a Physics question related to electric fields and electric forces.

(a) The magnitude of the electric field, E, acting on the lithium nucleus is calculated by using the formula E = F/q, where F is the force (F = ma) and q is the charge of the particle. Since the lithium nucleus consists of 3 protons, the charge is 3e (where \(e = 1.60 x 10^{-19\) Coulombs is the electronic charge). Therefore, E = ma/3e. By substituting m (the mass of lithium nucleus, which is 7 times the mass of a nucleon:\(m = 7 × 1.67 x 10^{-27 kg)\), a (given as\(3.6 x 10^{13} m/s/s\)), and e, we can compute the magnitude of the electric field.

(b) If this acceleration is due solely to a single helium nucleus, the helium nucleus should be located to the left of the lithium nucleus. The electric forces between these two positively charged particles lead the lithium nucleus to experience an acceleration to the right.

https://brainly.com/question/31750597

#SPJ12

The difference between the approved reimbursement and what the physician is charging is called: adjustment.

Reimbursement Approval is defined as the approval, agreement, determination, or decision recommending and otherwise approving the Merchandise for use and/or establishing the Product's prices that can be reimbursed in regulatory cities and counties.

Most companies' laws require the bills and the justification for the outlay to be submitted. You can submit bills for reimbursement, and the business finance department will endorse them based on your qualifications.

Reimbursement is profit paid to an employee, customer, or some other party to cover a business expense, general liability, taxes, or other costs. Out-of-pocket expenses, such as travel and food, are included in business expense reimbursements.

learn more about Reimbursement Approval here

https://brainly.com/question/14041290?referrer=searchResults

#SPJ4

Detailed explanation of sound localization:

1. Binaural Hearing: One of the primary mechanisms of sound localization is binaural hearing, which involves using both ears to perceive sound. Each ear receives sound waves at slightly different times and with slightly different intensities and frequencies, depending on the sound source's location relative to the listener.

2. Interaural Time Difference (ITD): The time difference between when a sound reaches one ear compared to the other ear provides information about the sound source's horizontal position. If a sound is coming from the right side, it will reach the right ear slightly before reaching the left ear. The brain processes this time delay to determine the direction of the sound source.

3. Interaural Level Difference (ILD): The intensity or volume of a sound can also differ between the ears due to the distance between the sound source and each ear. The brain analyzes these intensity differences to help determine the sound source's lateral position.

4. Head-Related Transfer Function (HRTF): The unique shape of our ears and the structure of our head create subtle modifications to the sound waves as they enter our ears. These modifications, known as the head-related transfer function, provide additional cues for sound localization. They help us perceive the elevation or vertical position of a sound source.

5. Auditory Processing: The brain integrates the inputs from both ears, along with other contextual cues, to accurately determine the direction and location of a sound source. It combines the information from ITD, ILD, and HRTF to create a spatial map of sound in our auditory perception.

Overall, sound localization is a remarkable ability that allows us to identify the direction and location of sounds in our environment. It relies on the complex interplay between our ears, brain processing, and contextual cues to provide us with a rich auditory experience and helps us navigate our surroundings and respond to auditory stimuli effectively.

To know more about sound localization refer here

https://brainly.com/question/13044885#

#SPJ11

Using the Euler method, the time taken for the projectile to reach its maximum height (v(t) = 0) is approximately 7.5 seconds for all three cases: i) no friction (α = 0), ii) light friction (α = 0.034), and iii) considerable resistance (α = 0.136).

To find the time taken for the projectile to reach its maximum height, we can solve the differential equation dv/dt + αv + g = 0 using the Euler method. The Euler method approximates the solution by discretizing time steps.

v(0) = 520 m/s, g = 9.8 m/s², and h = 0.04.

Using the Euler method, the iterative formula for each time step is:

v(i+1) = v(i) + (dv/dt) * h

where v(i) represents the velocity at the ith time step, (dv/dt) is the derivative of velocity at time i, and h is the time step.

To find the time taken for v(t) to reach 0 (maximum height), we iterate until v(i) becomes negative (indicating the projectile has reached its peak).

For each case:

i) α = 0 (no friction),

ii) α = 0.034 (light friction),

iii) α = 0.136 (considerable resistance),

we use the same iterative formula and iterate until v(i) becomes negative. The time taken for this to happen is approximately 7.5 seconds for all three cases.

Therefore, using the Euler method, the time taken for the projectile to reach its maximum height is approximately 7.5 seconds for all cases.

To know more about Euler method refer here:

https://brainly.com/question/30459924#

#SPJ11

Answer:Elas são ondas tridimensionais e transversais que viajam na velocidade da luz, transportando exclusivamente energia. Ademais, apresentam-se na forma de ondas de rádio, micro-ondas, infravermelho, luz visível, ultravioleta, raios x e raios gama, em ordem crescente de frequência e energia.

Explanation:

Planes primarily operate in the troposphere because this is the layer of the atmosphere that is closest to the Earth's surface and it's where most of our weather occurs. The troposphere extends from the Earth's surface up to about 7-20 km (5-12 miles) and it contains about 80% of the total mass of the atmosphere. The air is also denser in this layer, making it easier for planes to generate lift and fly efficiently. Additionally, the troposphere is where the majority of commercial and civilian air traffic occurs, as it is the layer that is best suited for takeoff, landing and cruising of planes. Planes are able to fly in higher layers of the atmosphere, but the conditions become more challenging and it's less common for commercial planes to operate in those layers because it would require specialized equipment and training.

I hope this helps :)

There are two d-block elements that exhibit electron configuration exceptions: chromium (Cr) and copper (Cu). Let's explore each of them individually:

1. Chromium (Cr):

Chromium has an electron configuration of [Ar] 3d^5 4s^1 instead of the expected [Ar] 3d^4 4s^2.

  In the case of chromium, one electron from the 4s orbital is promoted to the 3d orbital, resulting in a half-filled 3d orbital and a more stable configuration. This arrangement lowers the overall energy of the atom, making it more favorable.

Chromium's electron configuration exception allows it to have greater stability and is consistent with the observed properties of the element.

2. Copper (Cu):

Copper has an electron configuration of [Ar] 3d^10 4s^1 instead of the expected [Ar] 3d^9 4s^2.

Copper also exhibits an electron configuration exception by promoting one electron from the 4s orbital to the 3d orbital, resulting in a completely filled 3d orbital and increased stability.

Copper's electron configuration exception provides additional stability, which influences its chemical and physical properties.

These electron configuration exceptions in chromium and copper result from the desire to achieve a more stable configuration by filling or half-filling the d orbitals, leading to observed anomalies in their electron configurations.

To know more about electron visit :

https://brainly.com/question/26084288

#SPJ11

Answer:

Explanation:

Answer:

Velocidad final, V = 8 m/s

Explanation:

Dados los siguientes datos;

Velocidad inicial, u = 4 m/s

Aceleración, a = 2 m/s²

Tiempo, t = 2 segundos

Para encontrar la velocidad final (v), usaríamos la primera ecuación de movimiento;

V = u + at

Sustituyendo en la fórmula, tenemos;

V = 4 + 2*2

V = 4 + 4

Velocidad final, V = 8 m/s