you are driving a car. as you prepare to turn, you see a motorcycle coming toward you. the motorcycle is likely to appear farther away than it is because it is ______.

The electrostatic force on particle 2 due to particle 1 is calculated using Coulomb's law. Coulomb's law states that the force between two charges is directly proportional to the product of the charges and inversely proportional to the square of the distance between them.

The x-component of the force is given by Fx = (k q1 q2)/d2, where k is the Coulomb constant, q1 and q2 are the charges, and d is the distance between the charges. The distance d is given by the Pythagorean theorem as d = sqrt(d1^2 + d2^2), where d1 is the vertical distance between the charges and d2 is the horizontal distance. Using these formulas, we can calculate the x-component of the electrostatic force as:

Fx = (k q1 q2)/d2

= (9 x 10^9 N m^2/C^2) * (6e) * (7e) / (0.0084 m)2

= 6.94 x 10-16 N.

The electrostatic force is extremely small, due to the large distance between the charges. For the second part of the question, we need to find the distance between a proton and a group of three protons, such that the electrostatic force is equal in magnitude to the gravitational force on the lone proton at Earth's surface. The gravitational force on the proton is given by Fg = m g, where m is the mass of the proton and g is the acceleration due to gravity.

The electrostatic force on the proton is given by Fe = (k q1 q2)/d2, where q1 is the charge of the lone proton, q2 is the charge of the group of three protons, and d is the distance between them. Setting these two forces equal, we have:m g = (k q1 q2)/d2

Solving for d, we get:

d = sqrt((k q1 q2)/(m g)) = sqrt((9 x 10^9 N m^2/C^2) * (1.6 x 10^-19 C)2 * (3) / ((1.67 x 10^-27 kg) * (9.8 m/s^2))) = 2.71 x 10^-8 m. Therefore, the distance between a proton and a group of three protons, such that the electrostatic force is equal in magnitude to the gravitational force on the lone proton at Earth's surface, is 2.71 x 10^-8 meters.

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Answer:

A waiter

Explanation:

Specialization is the process of concentrating on and becoming an expert in a particular subject or skill. It can also be used to refer to the area on which someone becomes an expert. All the other options require years of gradual learning that builds up over the years for one to be considered an expert, asides for that of  a "waiter"

Waiting does not require much training, and cannot be referred to as an area of specialization.

Answer:

student

Explanation:

it's the only one that is not an example of specialization.

The period of the resulting oscillation is 0.714 seconds.

The period of oscillation can be calculated using the formula:

T = 2π√(m/k)

where T is the period, m is the mass, and k is the spring constant.

First, we need to find the spring constant. Using Hooke's law, we know that:

F = -kx

where F is the force, x is the displacement from equilibrium, and k is the spring constant. When the 25.0 g mass is hung on the spring, the force is:

F = mg = (0.025 kg)(9.81 m/s^2) = 0.245 N

The displacement from equilibrium is 8.50 cm = 0.085 m. Thus:

k = F/x = 0.245 N / 0.085 m = 2.88 N/m

Now, when the object is pulled an additional 3.0 cm downward, the total displacement from equilibrium is 11.50 cm = 0.115 m. The mass remains the same, so the period can be calculated as:

T = 2π√(m/k) = 2π√(0.025 kg / 2.88 N/m) = 0.714 s (rounded to 3 significant figures)

Therefore, the period of the resulting oscillation is 0.714 seconds.

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The force exerted on the test charge is 0.07 N when it is placed in an electric field with a magnitude of 2.0 * 10^2 N/C.

To determine the force exerted on a test charge in an electric field, we can use the formula:

Force (F) = Charge (q) * Electric Field (E)

Given:

Charge (q) = 0.00035 C

Electric Field (E) = 2.0 * 10^2 N/C

Substituting the values into the formula:

Force (F) = 0.00035 C * 2.0 * 10^2 N/C

To multiply the values, we multiply the numeric parts and keep the units:

Force (F) = (0.00035 * 2.0) C * 10^2 N/C

Calculating the numeric part of the multiplication:

Force (F) = 0.0007 C * 10^2 N/C

To simplify the expression, we can multiply the numeric part and adjust the units:

Force (F) = 0.07 N

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the statement from Dalton's atomic theory that is no longer true is "Atoms are indivisible and cannot be divided into smaller particles."

Dalton's atomic theory, proposed in the early 19th century, stated that atoms were indivisible and indestructible particles, meaning they could not be further divided into smaller particles. However, with advancements in scientific understanding and the development of subatomic particle physics, it has been discovered that atoms are not indivisible. Atoms are composed of subatomic particles, namely protons, neutrons, and electrons. Protons and neutrons reside in the nucleus at the center of the atom, while electrons orbit around the nucleus. Furthermore, scientists have identified even smaller particles within the nucleus, such as quarks and gluons. Hence, the concept of atoms being indivisible, as proposed in Dalton's atomic theory, is no longer valid based on modern atomic theory.

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Which of the following statements from Dalton's atomic theory is no longer true, according to modern atomic theory?

A) All atoms of a given element are identical.

B) Atoms are not created or destroyed in chemical reactions.

C) Elements are made up of tiny particles called atoms.

D) Atoms are indivisible and cannot be divided into smaller particles.

C. This is a direct current

An electrical schematic is a diagram that shows how all of the wires and components in an electronic circuit are connected.

The ability to read electrical schematics is a really useful skill to have. To start developing your schematic reading abilities,

it’s important to memorize the most common schematic symbols.

Each physical component (i.e resistor, capacitor, transistor) has a unique schematic symbol.

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Answer:

4.489 m/s

Explanation:

We are given;

Length of rod;L = 51.4 cm = 0.514 m

When the ball is at the top end, it's velocity will be zero and it's kinetic energy will be transformed to potential energy.

Thus; ½mv² = mgh

m will cancel out to give;

v² = 2gh

Where:

g is acceleration due to gravity = 9.8 m/s²

h is the maximum height of the ball which is equal to twice the length of the rod.

Thus, h = 2(0.514) = 1.028 m

v² = 2 × 9.8 × 1.028

v = √20.1488

v = 4.489 m/s

Answer:

El trabajo realizado por la niña es 25.9 J.

Explanation:

El trabajo ue hace la niña viene dado por:

\( W = |F|*|d|*cos(\theta) \)    

En donde:

F: es la fuerza realizada = 10 N

d: es el desplazamiento = 300 cm

θ: es el ángulo entre la fuerza y el desplazamiento = 30°

Entonces, el trabajo es:

\( W = |F|*|d|*cos(\theta) = 10 N*3 m*cos(30) = 25.9 J \)    

Por lo tanto, el trabajo realizado por la niña es 25.9 J.

Espero que te sea de utilidad!        

Answer:

A circular pizza has a angle of 360 degrees. When you cut it into 3 equal pieces you divide 360 by 3,you get 120 degrees. And following the conversion of 120 degree into radian you get 2pie/3 radians.

Answer:

Explanation:

The total degree of the circle = 360°

It is divided into 3 equal parts, so each part becomes 360 / 3 = 120°

conversion of 120 degree into radian you get 2pie/3 radians.

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The solid form of precipitation produced by the sublimation of water vapour is called "snow."

Snow forms when water vapour in the atmosphere undergoes sublimation directly from a gaseous state to a solid state without passing through the liquid phase. This occurs when the temperature is below freezing (0 degrees Celsius or 32 degrees Fahrenheit) and the relative humidity is high enough for water vapor to condense into ice crystals.

During sublimation, water molecules transform directly from a gas to a solid without becoming liquid. The resulting ice crystals in the form of snowflakes are intricate and unique in shape, reflecting the conditions present during their formation. These delicate ice crystals can join together in the atmosphere and fall to the ground as snow, creating the characteristic white blanket of frozen precipitation we often associate with winter weather.

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The magnitude of the impulse that the plate gives to the bullet is 6.7 N

We know change in momentum horizontally = m v cos Ф2 - m u cos Ф1

and change in momentum vertically = m v sinФ2 - (- m u sinФ1)

where, m = mass = 20g = 0.02 kg

v = final velocity = 320 m/s

u = initial velocity = 350 m/s

Ф1,Ф2 = angle = 30 degrees

Putting these values we get,

Change in momentum horizontally = - 0.5196 kg-m/s

Change in momentum vertically = 6.700 kg-m/s

Magnitude of change in momentum is : \(\sqrt{-0.5196^{2} + 6.7^{2} } = 6.7 N\)

So the magnitude of the impulse that the plate gives to the bullet is 6.7 N

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The amount of heat energy required to increase the temperature of 1.0g of argon by 100 degrees Celcius at a pressure of 8.0 atm can be calculated using the equation
Q = mCpΔT,
where Q is the heat energy, m is the mass of the gas, Cp is the specific heat capacity of argon, and ΔT is the change in temperature.

Using this equation, the amount of heat energy needed to increase the temperature of 1.0g of argon by 100 degrees Celcius is Q = (1.0 g) (0.52 J/g*K) (100 K) = 52 J.
If this amount of heat energy is transferred to the gas at constant pressure, the temperature will increase by 100 degrees Celcius.

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The fuel penalty caused by wind resistance from open windows while driving can be as significant as or even greater than the fuel penalty incurred by using air conditioning in a vehicle.

When driving with open windows, the airflow inside the vehicle is disrupted, creating wind resistance. This resistance increases the drag on the vehicle, making the engine work harder to maintain the desired speed. As a result, more fuel is consumed to overcome this increased resistance.

On the other hand, using air conditioning in a vehicle requires energy to operate the compressor, which puts an additional load on the engine. This extra load increases fuel consumption to power the air conditioning system.

The comparison between wind resistance from open windows and air conditioning depends on several factors such as vehicle speed, aerodynamics of the vehicle, outside temperature, and the efficiency of the air conditioning system. In certain situations, the wind resistance caused by open windows can create a fuel penalty equal to or greater than the fuel penalty caused by using air conditioning.

It is worth noting that the extent of the fuel penalty can vary depending on the specific circumstances and efficiency of the vehicle's air conditioning system. However, as a general guideline, it is advisable to keep windows closed while driving at higher speeds to minimize wind resistance and optimize fuel efficiency, especially on highways or during long trips.

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The acceleration of a northbound subway train that slows down from 15 m/s to 10 m/s in 0.9 s is -5.56 m/s².

To find the acceleration of a northbound subway train that slows down from 15 m/s to 10 m/s in 0.9 s, we can use the formula:

Acceleration (a) = (Final Velocity (Vf) - Initial Velocity (Vi)) / Time (t)

Plugging in the values:
a = (10 m/s - 15 m/s) / 0.9 s

a = (-5 m/s) / 0.9 s
a = -5.56 m/s²

The acceleration of the northbound subway train is -5.56 m/s². The negative sign indicates that the train is slowing down or decelerating.

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Answer:

25.6 meters

Explanation:

have a good day

Answer:

c.

is the answer please brainliest

Answer:

μ=1/5=0.2

Explanation:

using the formula

Fs=Fn*μ

Where

Fs is the static force

Fn = Normal force

μ= coefficient

so if Fn=25n

and it requires 5 n to start moving, means the max Fs is 5n

5=25μ

μ=5/25

μ=1/5=0.2

Answer:

They are temperature, atmospheric pressure, wind, humidity, precipitation, and cloudiness. Together, these components describe the weather at any given time.

Answer:

D all of these

Explanation:

Extrinsic statements originate in parents ,society and teachers. Option D is correct.

Extrinsic motivation is defined as conduct motivated by external incentives. Extrinsically driven people will continue to do something even if it isn't pleasurable or rewarding in and of itself.

These incentives might be monetary or intangible in nature, such as acclaim or renown. Extrinsic motivation is distinct from intrinsic motivation in that it is only motivated by external incentives.

Extrinsic statements originate in;

a. Parents

b. Society

c. Teachers.

Extrinsic statements originate in all of the above given option.

Hence, option D is correct.

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1. The focal length decreases

2. The individual resistors is 54 ohm

3. The charge is 40 C

4. The velocity of light in the medium would be two times.

5. Oil has no effect on the surface tension of water

6. The resultant is y = \(\sqrt{2}\)F

If 1/RT = 1/x + 1/x + 1/x

Then;

1/RT = 3/x

RT = x/3

But RT = 18

18 = x/3

x = 54 ohm

Since;

V = IR

I = V/R

I = 6 V/3 ohm

I = 2 A

Q = IT

Q = 2 * 20 s

= 40 C

Let the forces be F and let the resultant be y

\(y^2 = F^2 + F^2\\y = 2F^2\)

y = \(\sqrt{2}\)F

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The astronomer on duty going to have a bit of a problem satisfying her request after a white dwarf cools off it turns too bloodless and darkish to emit visible light.

According to astronomers, The fate of the left-over center relies upon its mass. If the left-over middle is about 1. four to 5 instances the mass of our solar, it'll crumble right into a neutron big name. If the middle is bigger, it's going to crumble right into a black hollow.

The growth and contraction of pulsating variables may be measured with the aid of using the Doppler effect. The traces inside the spectrum shift in the direction of the blue because the floor of the megastar moves in the direction of us after which shifts to pink as the floor shrinks again. Gold is uncommon in the course of the Universe as it's a tremendously hefty atom, such as seventy-nine protons and 118 neutrons.

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Explanation:

Answer:

The equivalent resistance of the combination is R/100

Explanation:

Electric Resistance

The electric resistance of a wire is directly proportional to its length. If a wire of resistance R is cut into 10 equal parts, then each part has a resistance of R/10.

Parallel connection of resistances: If R1, R2, R3,...., Rn are connected in parallel, the equivalent resistance is calculated as follows:

\(\displaystyle \frac{1}{R_e}=\frac{1}{R_1}+\frac{1}{R_2}+\frac{1}{R_3}+...+\frac{1}{R_n}\)

If we have 10 wires of resistance R/10 each and connect them in parallel, the equivalent resistance is:

\(\displaystyle \frac{1}{R_e}=\frac{1}{R/10}+\frac{1}{R/10}+\frac{1}{R/10}...+\frac{1}{R/10}\)

This sum is repeated 10 times. Operating each term:

\(\displaystyle \frac{1}{R_e}=\frac{10}{R}+\frac{10}{R}+\frac{10}{R}+...+\frac{10}{R}\)

All the terms have the same denominator, thus:

\(\displaystyle \frac{1}{R_e}=10\frac{10}{R}=\frac{100}{R}\)

Taking the reciprocals:

\(R_e=R/100\)

The equivalent resistance of the combination is R/100

Answer:

A) 80 N

Explanation:

The closer the particles get, the stronger the Coulomb force, which elongates choices C and D. The Coulomb force is inversely proportional to the distance squared. If the distance is cut in half, the force is multiplied by the reciprocal of (1/2)^2, which is 4. Multiplying it out, 20 times 4 is 80 N.

The Coulomb force if the same particles are separated by a distance of 6 meters is 222.221 N.

Coulomb force is also known as electrostatic force is the force of attraction or repulsion of particles or objects because of their electric charge. It is given by the formula,

\(F = k \dfrac{q_1q_2}{r^2}\)

Where

F = electric force

k = Coulomb constant = 8.9875517923×10⁹ kg⋅m³⋅s⁻²⋅C⁻²

\(q_1, q_2\) = charges

r = distance of separation

We know that the distance between the two particles is 12 meters while the force between the two particles is 20N, therefore, the Coulombs force can be written as,

\(F = k \dfrac{q_1q_2}{r^2}\\\\20 = k \dfrac{q_1q_2}{20^2}\\\\k {q_1q_2} = 20 \times 20^2\\\\k {q_1q_2} = 8000\)

Now, if the distance between the two particles is reduced to 6, the force will be,

\(F = k \dfrac{q_1q_2}{r^2}\\\\F = \dfrac{8000}{6^2}\\\\F = 222.221\rm\ N\)

Hence, the Coulomb force if the same particles are separated by a distance of 6 meters is 222.221 N.

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Answer: When a bullet is fired from a gun, the gun gives off a force on the bullet in the forward direction. The force is called the action force. The bullet also gives an equal and opposite force on the gun in the backward direction. That's why when bullets fire out, the force from the bullet also creates a force back.

The frequency observed by the observer on the left (fL) is higher than the frequency observed by the observer on the right (fR). Here option A is the correct answer.

The observed frequency, fL, of the sound heard by the observer on the left is higher than the observed frequency, fR, heard by the observer on the right. This phenomenon is known as the Doppler effect.

When a source of sound is moving towards an observer, the sound waves are compressed, resulting in a higher frequency. Conversely, when the source of sound is moving away from an observer, the sound waves are stretched, leading to a lower frequency.

In this case, as the police car is moving towards the observer on the left, the sound waves are compressed, causing an increase in frequency. Therefore, the observer on the left hears a higher frequency, fL. On the other hand, the observer on the right experiences the sound waves stretching due to the car moving away, resulting in a lower frequency, fR. Thus, the correct answer is A. fL > fR.

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Answer:

The law of momentum conservation can be stated as follows. For a collision occurring between object 1 and object 2 in an isolated system, the total momentum of the two objects before the collision is equal to the total momentum of the two objects after the collision.

Answer: frequency 137.5

Time period 0.01sec

Explanation:

Answer:

Invasive Species

Explanation:

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