if someone feels intent on fighting with you, what should you do to prevent getting into a fight?

Answer:

See the explanation below.

Explanation:

We know from Newton's second law that the sum of forces on a body is equal to the product of mass by acceleration. In this way, we have the following equation.

∑F = m*a

where:

∑F = sum of the forces [N] (units of Newtons)

m = mass of the car [kg]

a = acceleration [m/s²]

Therefore we have two forces one that drives the car forward and another that opposes the movement.

\(500-500 = m*a\\m*a=0\\a=0\)

This tells us that the acceleration is zero and therefore the movement is with constant speed. That is, the speed does not vary during the movement of the vehicle.

The magnetic field at a point near the center of the solenoid can be calculated using the formula B = μ₀ * n * I, where μ₀ is the permeability of free space, n is the number of turns per unit length, and I is the current in the windings.

First, we need to find the number of turns per unit length, which can be calculated by dividing the total number of turns by the length of the solenoid.
n = 600 / 15.00 cm = 40 turns/cm
Next, we need to convert the radius of the solenoid from centimeters to meters, as the unit for permeability is in Tesla meters per ampere (Tm/A).
r = 2.50 cm = 0.025 m
Now we can plug in the values into the formula: B = μ₀ * n * I
B = (4π * 10^-7 Tm/A) * 40 turns/cm * 8.00 A
B = 0.0402 T
Therefore, the magnetic field at a point near the center of the solenoid is 0.0402 T, which corresponds to option D in the given choices.

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Answer:

27J  

3528J

Explanation:

First problem:

Given parameters:

Mass of tennis ball  = 0.06kg

Velocity of tennis ball  = 30m/s

Unknown:

Kinetic energy  = ?

Solution:

Kinetic energy is the energy due to the motion of a body.

It is expressed as:

       K.E  = \(\frac{1}{2}\) m v²  

       K.E =  \(\frac{1}{2}\)  x 0.06 x 30²   = 27J  

Second problem:

Given parameters:

Mass = 30kg

Height  = 12m

Unknown:

Potential energy  = ?

Solution:

Potential energy is the energy due to the position of a body.

  Mathematically;

       Potential energy  = mgh

m is the mass

g is the acceleration due to gravity

h is the height

 Now;

          Potential energy  = 30 x 9.8 x 12  = 3528J

o determine the time interval for one trip around the circular orbit, we can use the formula for the period of a circular motion:

T = (2πr) / v

where T is the period, r is the radius of the orbit, and v is the speed of the electron.

Plugging in the given values:

T = (2π * 2.12×10^(-10) m) / (1.09×10^6 m/s)

Calculating this expression gives us:

T ≈ 3.0×10^(-16) s

Therefore, the time interval for one trip around the circle is approximately 3.0×10^(-16) seconds.

To determine the current corresponding to the electron's motion, we can use the equation:

I = q / T

where I is the current and q is the charge of the electron.

The charge of an electron is approximately -1.6×10^(-19) coulombs. Plugging in this value and the previously calculated value of T:

I = (-1.6×10^(-19) C) / (3.0×10^(-16) s)

Calculating this expression gives us:

I ≈ -5.3×10^(-4) A

Therefore, the current corresponding to the electron's motion is approximately -5.3×10^(-4) amperes.

To determine the magnetic field at the center of the circular orbit, we can use Ampere's law, which states that the magnetic field (B) produced by a current-carrying loop is given by:

B = (μ0 * I) / (2πr)

where μ0 is the permeability of free space, I is the current, and r is the radius of the loop.

The permeability of free space (μ0) is approximately 4π × 10^(-7) T·m/A.

Plugging in the given values:

B = (4π × 10^(-7) T·m/A) * (-5.3×10^(-4) A) / (2π * 2.12×10^(-10) m)

Simplifying this expression gives us:

B ≈ -2.5×10^(-3) TTherefore, the magnetic field at the center of the circular orbit is approximately -2.5×10^(-3) teslas.

To determine the magnetic moment of the atom, we can use the formula:

μ = IA

where μ is the magnetic moment, I is the current, and A is the area of the loop.

The area of the loop can be calculated using the formula for the area of a circle:

A = πr^2

Plugging in the given values:

A = π * (2.12×10^(-10) m)^2

Calculating this expression gives us:

A ≈ 1.41×10^(-19) m^2

Now we can calculate the magnetic moment:

μ = (-5.3×10^(-4) A) * (1.41×10^(-19) m^2)

Simplifying this expression gives us:

μ ≈ -7.47×10^(-23) A·m^2

Therefore, the magnetic moment of the atom is approximately -7.47×10^(-23) ampere·meter^2.

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Answer:

cant you just use google?

Explanation:

Answer: B isometric

Explanation: i hope this help you

According to the equation a = v/t, acceleration (a) is the product of the change in velocity (v) and the change in time (t).

metric seconds per second

Velocity is a vector representation of a particle's or object's motion with regard to time. The recognised unit of magnitude for velocity is the metre per second (m/s), sometimes known as speed.

alphabet v

The letter "v" in capital letters stands for both velocity and speed (boldface). A bar with average values is located above the symbol. When the shortest path is used to measure distance, the amount of displacement is always less than or equal to the distance between the two locations.

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In this calculation, the answer should be rounded to 2 significant digits and the final answer should be expressed as 4.0 x 10^2 g/cm^3.

The number of significant digits in a calculation refers to the number of digits that are meaningful and contribute to the accuracy of the result. In determining the number of significant digits in a final answer, the most important factor is the number of significant digits in the measurements used in the calculation.

In the calculation of 4.010 g/(0.08 cm)^3, the number with the fewest significant digits is 0.08 cm, which has two significant digits. Therefore, the final answer can only have two significant digits. This means that the final answer should be rounded to two significant digits, or written in scientific notation with two significant digits.

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Given:

There is a closed path for the flow of current.

Answer and explanation:

A correct option is an option (A). Since the path is closed, the current will flow through the circuit.

An option (B) is incorrect because the charge does not accumulate in a closed path.

Option (C) is also incorrect because the path is closed, and the circuit cannot be open.

Option (D) is also an incorrect option because there is always a resistance provided by the metal wire.

Answer: It's D.

Explanation:

I just did it.

The system has parts that sense the amount of output, allows negative feedback to control a system. Option D is correct.

A system is a collection of interconnected or interacting pieces that follow a set of rules to produce a coherent whole.

The limits, structure, and purpose of a system, which is surrounded and impacted by its environment, are characterized and expressed in its functioning.

A feedback system helps the system to work in the productive way. Negative comments might help you get back on track. It allows you to view projects and activities in a new light.

It allows you to learn, grow, and improve anything from your own talents to the project you're working on right now.

The system has parts that sense the amount of output, allows negative feedback to control a system.

Hence, option D is correct.

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The differences between 'Otto' and 'Diesel' cycles is Compression ratio, Intake process, Ignition process, Expansion process and Exhaust process.

The thermodynamic cycles Otto and Diesel both describe how internal combustion engines work. The primary variations are as follows:

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Answer: hypothesize that a certain ageof car will give you a disired level of preformance

Explanation:

test the car, if it does not preform well consider a new model

Everything falls at the same rate.

\(\bold{Heya!}\)

(b) comb induces a net dipole moment opposite to the direction of field.

When a comb rubbed with dry hair it's attracts pieces of piece of paper. This is because the comb that induces of the dipole net that of the moment thatopposite of the field. And, This happens the field dueing to charge of the comb induces of the dipole moment in the paper of the molecules in the dielectric.

Hopefully This Helps ! ~

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\(\underline{Answer :}\)

Jaceysan ~

Answer:

Option B

Explanation:

When a comb is rubbed with dry hair it induces some charge or its get charged either positive or negative

As paper remains in neutral hence it attracts the paper

Hence option B is correct

Answer:

Given

mass (m) =5kg

velocity (v) =6m/s

momentum (p) =?

Form

p=mv

5kgx6m/s

p=30kg.m/s

momentum =30kg.m/s

Answer:

"The particles in a liquid are close together, but they are not bound to fixed positions; they can slide past and around each other. This enables liquids to take the shape of their container and to flow when they are poured" -My dear friend, goógle

Explanation:

yw :]

The required volume of the gas is 0.52 L.

Diminishing the volume of a contained gas will expand its tension, and expanding its volume will diminish its strain. As a matter of fact, on the off chance that the volume increments by a specific variable, the tension declines by a similar element, as well as the other way around.

V1 = 1.56 L, P1 = 1 atm, P2 = 3 atm,

To find: V2 of gas

So, P1V1 = P2V2

V2 = P1V1/P2

V2 = 1.56(1)/3 = 0.52 L

Thus, required volume of gas is 0.52L

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Correct question:

A gas occupies 1.56 l at 1.00 ATM what will be the volume of this gas if the pressure becomes 3.00 ATM

This relationship can be expressed as C = aT, where C is the heat capacity, T is the temperature, and a is a proportionality constant.

Consider a glass block. Upon measuring the heat capacity, we find that the heat capacity is proportional to T; that is, C = aT. In this equation, C represents the heat capacity of the glass block, T represents the temperature, and a is a proportionality constant.
The heat capacity of an object refers to the amount of heat energy required to raise its temperature by a certain amount. In this case, the heat capacity of the glass block is directly proportional to the temperature. This means that as the temperature increases, the heat capacity of the glass block also increases, and vice versa.
To understand this concept further, let's consider an example.

Imagine you have two identical glass blocks, one at a temperature of 100°C and the other at 200°C. Since the heat capacity is proportional to the temperature, the glass block at 200°C will have twice the heat capacity of the one at 100°C. This implies that it will require twice as much heat energy to raise the temperature of the hotter block compared to the cooler block by the same amount.
In summary, when measuring the heat capacity of a glass block, we find that it is proportional to the temperature.

This relationship can be expressed as C = aT, where C is the heat capacity, T is the temperature, and a is a proportionality constant.

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Answer:

Isaac Newton had ideas about motion,

Which he called the tree laws of motion,

Which later laid the foundation,

In the scientific revolution.

The law of inertia states,

That an object resists and stagnates,

Unless an outside force stimulates,

Then changes in an object emanates.

The second law explains,

Force, mass, and acceleration, it contains,

The greater the mass an object sustains,

The greater the force and less acceleration it maintains.

The third law states that for every action,

There is an equal and opposite reaction,

And as for the demonstration,

Think of the rockets progression.

These three laws are very important,

In our lives, they are constant,

If you are just very observant,

You'll see, they are significant.

To learn the equilibrium and temperature.

What is equilibrium?

When Newton's first law is true, the equilibrium state of an object is present. When all external forces (including moments) operating on an object in a reference coordinate system are equal, the object is said to be in equilibrium. The net effect of all external forces and moments acting on this object is zero as a result.

What is temperatue?

Temperature is a unit of measurement that can be expressed on a variety of scales, including Fahrenheit and Celsius. Temperature shows the direction of the spontaneous movement of heat energy, i.e., from a hotter body (one with a higher temperature) to a colder body (one with a lower temperature).

Their temperatures must be equal if two bodies are in thermal equilibrium.

As for coldness or warmth, we generally observe that metals feel colder while non metallic objects don't (i.e. comparatively they feel warmer than metals). This is due to the fact that metals are good conductor of heat. So when we touch a metallic body, heat flows from our body and is transferred to other points of the metal object. Since our body loses heat, we feel cold. In non metals, this conduction of heat from point of contact to other locations does not happen.

Therefore, the amount of heat loss from our body is much smaller. So we don't feel that cold.

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Answer: Yes. Please find the answer in the explanation.

Explanation:

Yes. Since velocity is a vector quantity, that is, it has both magnitude and direction.

If the displacements covered are not of the same direction, the velocity will not also of the same direction.

Take for instance, if the velocity in a positive is 40 m/s and velocity in the opposite direction is - 20 m/s . Then, the resultant velocity will be 40 - 20 = 20 m/s

Therefore,  it is possible that at any time during their trip their velocity was -20 m/s.

The velocity vector is r'(t) = (4, -3 sin t, 3 cos t), the acceleration vector is r''(t) = (0, -3 cos t, -3 sin t), the curvature is κ = 3 / 14^(3/2), and the tangential and normal components of the acceleration are aT = 0 and aN = 3.

Space Curves: Arc lengthArc length formula is given by \(L = ∫a b |r'(t)|dt\)

, where r(t) is the vector function for the given curve.

Let's find the arc length of the given space curve:

r(t) = (2t, t^2 - 2, 5 - t^2) for 0 ≤ t ≤ 4.

The speed of r(t) is |r'(t)|.r'(t) = (2, 2t, -2t) and

||r'(t)|| = √(2^2 + (2t)^2 + (-2t)^2)

= 2√2t.So,

the arc length of the space curve is

L = ∫0 4 2√2t dt

= (4/3)√2 [t^(3/2)] from 0 to 4

= (4/3)√2 (4√2 - 0)= (16/3) * 2

= 32/3.

Therefore, the length of the given space curve with vector equation is 32/3. Vector Functions for the intersection of two surfaces

The equation for the given surface is \(F(x)=(2,x²-30).\)

Let's find the vector functions for the intersection of two surfaces.

To find the intersection, we equate the two given equations:2 = y = x².

We get y = x² = 2. So, x = ±√2.

The vector functions for the intersection of two surfaces are:

r1(t) = (t, 2, t^2 - 30)

for x = √2 and r2(t)

= (-t, 2, t^2 - 30)

for x = -√2.

Given TNB for a space curveLet's find the unit tangent vector to the space curve r(t) = (cos t, sin t, t).

The velocity vector is r'(t) = (-sin t, cos t, 1).

The speed of the curve is |r'(t)| = √(sin² t + cos² t + 1) = √2.

The unit tangent vector is T = r'(t) / |r'(t)| = (-sin t/√2, cos t/√2, 1/√2).

Now, let's find a unit normal vector to the space curve.The acceleration vector is r''(t) = (-cos t, -sin t, 0).

The magnitude of acceleration is |r''(t)| = 1.

The unit normal vector is N = r''(t) / |r''(t)| = (-cos t, -sin t, 0).The binormal vector is given by B = T × N.

Therefore, the unit tangent vector to the space curve r(t) = (cos t, sin t, t) is T = (-sin t/√2, cos t/√2, 1/√2),

the unit normal vector is N = (-cos t, -sin t, 0),

and the unit binormal vector is

B = (cos t/√2, -sin t/√2, 1/√2) × (-cos t, -sin t, 0)

= (sin t/√2, -cos t/√2, 1/√2).

Velocity, acceleration and curvature

Let's find the velocity vector, the acceleration vector, and the curvature of the space curve r(t) = (4t, 3 cos t, 3 sin t) for 0 ≤ t ≤ 27.

The velocity vector is r'(t) = (4, -3 sin t, 3 cos t).

The speed of the curve is |r'(t)| = √(16 + 9 sin² t + 9 cos² t) = 5.

The unit tangent vector is T = r'(t) / |r'(t)| = (4/5, -3 sin t/5, 3 cos t/5).

The acceleration vector is r''(t) = (0, -3 cos t, -3 sin t).

The magnitude of acceleration is |r''(t)| = 3.

The tangential component of acceleration is aT = T · r''(t) = 0.

The normal component of acceleration is aN = |r''(t)| · |N| = 3.

The unit normal vector is N = (-cos t, -sin t, 0).

The curvature is κ = |r''(t)| / |r'(t)|² = 3 / (25 + 9 sin² t + 9 cos² t)^(3/2) = 3 / (25 + 9)^(3/2) = 3 / 14^(3/2).

Therefore, the velocity vector is r'(t) = (4, -3 sin t, 3 cos t),

the acceleration vector is r''(t) = (0, -3 cos t, -3 sin t),

the curvature is κ = 3 / 14^(3/2), and the tangential and normal components of the acceleration are aT = 0 and aN = 3.

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Answer:

crest

hope It helped you!

The term which cannot be used to describe a longitudinal wave is crest. Crests are formed in transverse waves.  Longitudinal waves are composed of rarefactions and compressions.

Unlike electromagnetic waves, mechanical waves only travels through a medium and through vacuum. There are two  types of mechanical waves namely, longitudinal waves and transverse waves.

In transverse waves, oscillation of particles is in a direction opposite to the wave propagation. In longitudinal waves, oscillation is along the wave propagation.

Transverse waves are composed of crests and troughs. Whereas, longitudinal waves are composed of regions of low pressure and regions of high pressures that are, rarefactions and compressions respectively.

Therefore, option D does not describes a longitudinal wave.

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Explanation:

In a series circuit the equivalent resistance is the algebraic sum of the resistances.

Answer: you have it correct

Explanation:

Answer:yall dumd dang thought yall know better

Explanation:

hehe

Answer:

You have the answer in your comments. I will be copying it so your question doesn't get deleted.

The answers is $0.58

$11.48

the video tape

the new shirt

Answer:

A mineral has a volume of 6 mL and a mass of 12g.

Explanation:

Was this right?

Answer:

In the given graph,

Velocity is constant between 4 to 8 which is 2m/s

So, at t=5s

Instantaneous velocity=2m/s

Explanation:

hope this help u thank u

Answer:

25 J

Explanation:

m = 2 kg

v = 5 m/s

\(K.E_{snowball} = \frac{1}{2} m {v}^{2} \\ \\ = \frac{1}{2} \times 2 \times {(5)}^{2} \\ \\ = 25 \: Joule\)