the brakes on ned’s overland truck malfunction, but he continues to drive it. unable to slow down, he crashes through a guardrail and careens off the road. in ned’s suit against overland, the truck maker can raise the defense of

If you look at courage and if you look at the brain, there is one particular brain structure that plays a very important role when it comes to courage and your own performance. This part of the brain is called the amygdala. The amygdala is a brain structure that is very small, and we have two of them, one of the left side of the brain, one on the right side of the brain. They’re very small and look like an almond. Amygdala is also the Latin word for almond. Even though they are small, they amygdala is also extremely powerful. It plays a very important role in our survival. Whenever there is a real danger outside, it will trigger a fight, flight or freeze response, so you will fight danger, run away, or just be blocked in your own emotions, you will freeze, perhaps you will hide. The amygdala is very important for our survival and for many emotions in general, but in many situations, the amygdala will also become active when there is no real danger, for example, standing on stage and holding a presentation, leading a difficult conversation. These are two examples where there’s no real danger, but nevertheless, the amygdala can be triggered and cause this feeling of nervousness and anxiety. It’s these feelings of nervousness, anxiety or insecurity that will also block us in our potential to hold a presentation or to lead a good conversation.

The compound which can exabit the empirical formula of 1:3 is SO₃.

The simplest whole number ratio of atoms in a molecule is the empirical formula of a chemical compound in chemistry. Sulfur monoxide's empirical formula, SO, and disulfuric dioxide's empirical formula, S2O2, are two straightforward examples of this idea.

An empirical formula is a compound's chemical formula that only specifies the ratios of the elements it contains and not the precise number or arrangement of atoms. This would be the compound's element with the lowest whole number ratio.

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Answer:

1.An object at rest has zero velocity - and (in the absence of an unbalanced force) will remain with a zero velocity. Such an object will not change its state of motion (i.e., velocity) unless acted upon by an unbalanced force.

3.Let speed of balls are v

1

and v

2

.

There is no external force acting, momentum will be conserved.

m

1

u

1

+m

2

u

2

=m

1

v

1

+m

2

v

2

⇒m×6−m×6=mv

1

+mv

2

⇒v

1

=−v

2

Coefficient , e=−

u

1

−u

2

v

1

−v

2

⇒

3

1

=−

6+6

v

1

−v

2

⇒v

1

=−2m/sWhen two objects with the same mass collide, Newton's laws tell us that they will accelerate the same amount but in opposite directions.

Collision Forces - 5/5

1. A) Motion will be either created, stopped or changed.

2. D) 5,208 N

3. B) the mass and acceleration of each person

4. C) balanced forces

5. B) 13.125 N to the right

Hope this helps ya out peeps!

A sample of matter, either a single element or a single compound, that has definite chemical and physical properties: is an atom

An atom is the smallest unit of an element that still retains the distinctive behavior and definite chemical and physical properties of the element.

A single atom of an element keep its distinctive behavior, that's because the atom is the smallest unit of the composition of matter

The atom is the smallest part of the composition of matter, it is indivisible and is composed of a nucleus that has protons and neutrons, and around the nucleus there are the electrons.

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The value of charge in coulombs is 0.9 × 10—⁹ coulombs.

Radius 1 of the surface = 0.5 m

Radius 2 of the sphere = 1.9 m

Area of the surface = 3

The magnitude of the electric field at the surface = 8300 N/C

The electric flux through a surface is,

[tex] Electric \: flux=Electric \: field \: \times area \: of \: the \: surface[/tex]

[tex]Φ = E \times S[/tex]

[tex]Φ = EScosθ[/tex]

[tex]Φ =E \times 4 \times \pi \times r ^{2} [/tex]

According to Gauss, the net electric flux is,

[tex]Net \: electric \: flux = \frac{1}{E _{0} } \times charge \: enclosed[/tex]

[tex]Charge \: enclosed = 4 \times \pi \times E _0 \times a \times r ^{3} [/tex]

[tex] = \frac{1}{9 \times 10 ^{9} } \times 3 \times (1.4) ^{3} [/tex]

[tex] = 0.9 \times 10 ^{ - 9} \: C[/tex]

Therefore, the value of charge in coulombs is 0.9 × 10—⁹ coulombs.

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She would weigh 31.87 lbs on mars when her mass on earth is 85 lbs.

Mass is a tangible body in the form of volume of matter. Additionally, it is a measure of the body's inertial, or resistance to acceleration in the presence of a net force The intensity of an object's gravity field to other bodies is also affected by its mass. The kilogram acts as the SI's primary mass unit. Think about the situation where three different scales are holding a marble, a tennis ball, and a bowling ball. The bowling ball would undoubtedly get the highest reading on the scale out of these three. Different planets has different weights and it is because of their gravitational pull while mass is same everywhere in the universe. A body can have mass but still no weight. The formula of Weight is W = mg, where m represents the mass of the body and g is the acceleration due to gravity. Also g depends on the location and the mass of the planet.

The weight on mars is 3/8 mass on the earth.

So here the if a person weighs 85 lbs on earth then on mars the weight will be 85*(3/8)=31.87 lbs.

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The average acceleration of the shoes thrown at him, a =2.775 m/s².

To find the acceleration with given data we use this formula,

v = u + aΔt

Where,

v is final velocity

u is initial velocity

a is acceleration

Δt is time

So,

v - u = aΔt

a = v - u /Δt

a = 12km/hr - 0 / 1.2 s

a = 12km/hr / 1.2s

Changing km/hr into m/s,

1 kilometer/hour = 1000meters / 3600 seconds

We get,

12km/hr = 3.33m/s

a = 3.33 m/s / 1.2s

a = 2.775 m/s²

When an object is moving, its velocity is the rate at which its direction is changing as seen from a specific point of view and as measured by a specific unit of time. Velocity is the rate and direction of an object's movement, whereas speed is the time rate at which an object is moving along a path.

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The average acceleration is -5.21 m/s² and the stopping time is 5.2 sec.

Given,

Final velocity, v = 0

Initial velocity, u = 61 mph

mph to km/h

u = 97.6 km/h

Or, u = 27.11 m/s

Displacement, s = 231 feet

Or, s = 70.4 meter

By using the third equation of motion, we get

v² - u² = 2as

0 - (27.1)² = 2 × a × 70.4

Or, acceleration(a) = -5.21 m/s²

Now, by the first equation of motion,

v = u + at

Or, - u = at

-27.11 = -5.21 × t

Or, t = 27.11/5.21

t = 5.2 sec

The stopping time (t) is 5.2 sec

Hence, the average acceleration is -5.21 m/s², and the time is 5.2 sec.

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The acceleration of the car is 32.8084 ft/s².

To find the acceleration, the given values are:

Initial velocity = 0 m/hr

Final velocity = 60 m/hr

Time = 6 seconds.

         Acceleration,  a = (v - u ) / t m/s²

where, a - acceleration

v - Final velocity

u - Initial velocity

T - Time

Substituting the given values,

a = ( 60 - 0 ) / (6)

  = 60 / 6

  = 10 m/s².

The acceleration of the car is 10 m/s².

As the answer should be in ft/s²,

1 meter = 3.28084

For 10 meter = 32.8084 ft/s².

So, the acceleration of the car during the run is 32.8084 ft/s².

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The total time it is in the air for the ball is 3.672 s

Given:

Initial velocity = 18 m/s

We have to find the total time the ball is in the air.

By using the formula, we get,

t = v - u/a

Where t = time to reach the maximum height

v = final velocity of the ball = 0 m/s

u = initial velocity of ball = 18 m/s

a = acceleration due to gravity = -9.8

Acceleration of gravity is taken as negative because the ball is moving in the opposite direction.

t = 0 - 8/-9.8

t = 1.836 sec

Thus, time is taken by the ball to reach the ground again = time taken to reach the maximum height

So, the Total time required for the ball to reach the ground = 2t = 2 × 1.836

Total time required for the ball to reach the ground = 3.672 s

Hence, the total time it is in the air for the ball is 3.672 sec.

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Answer:

at the vertical change

Explanation:

i believe this is right

The best choice is A. We transition from a gaseous to a liquid state by condensing steam. Entropy declines as unpredictability rises in a liquid transition from a gaseous state.

The degree of disorder in a system is measured by entropy. Disorder refers to the "distance" and "separation" between molecules, particles, etc. Because they have rigid structures as opposed to gases and liquids, which have free structures, solids and crystals have less chaos. Compared to solids and crystalline formations, gases and liquids contain higher levels of chaos. Entropy increases as heat and energy are added, which indicates that disorder is spreading more quickly. Entropy is a measure of how much chaos there is in a system and how rigid and organized it becomes when less heat and energy are contributed.

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e = 0.57 is the moon's orbital eccentricity

You may determine the ellipse's eccentric formula by using

e = r a - r p / r a + r p

The distance r a between the moon and its planet is the greatest.

r p=0.27 The shortest distance between the moon and its planet is r a.

Then, e = r a - r p / r a + r p

e is defined as (r a - 0.27 r a) / (r a + 0.27 r a).

e = 0.73r a / 1.27 r a

e = 0.57

The eccentricity of a conic section expresses how much it resembles a circle. Every conic section has this distinctive parameter, and conic sections are only said to be identical if and only if their eccentricities are the same. A conic section's eccentricity is a non-negative real integer that specifically describes its shape. Formally speaking, two conic sections are comparable if and only if their eccentricities match. The eccentricity can be thought of as a measurement of how far a conic section strays from being round.

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Answer:

The graph is trying to show a comparison of statistics. In order to fully understand this graph, we need a label for the different colors and sections in the graph and a title for the graph. Without this information, we cannot fully understand what this graph is trying to portray.

Explanation:

hope this helps!

The weight of ourselves on the new planet will reduce by 1/4 factor.

We know that each body attracts another body, Now if we free fall on any planet then the natural acceleration or acceleration due to gravity force is called gravitation acceleration.

The gravitation acceleration is given by,

g = GM/R²

Where G is constant while M is the mass of the planet and R is the radius of that planet.

The value of g or gravitational acceleration for the earth is 9.81 m/sec².

Given that the new planet has a mass of 4 times then earth and diameter is also 4 times.

Since gravitation acceleration of earth ;

g = GM/R²

Since the diameter is 4 times so radius will also 4 times.

New planet acceleration ;

g' = G(4M)/(4R)²

g' = 4/16(GM/R²)

g' = 1/4(g)

Hence "The weight of ourselves on the new planet will reduce by 1/4 factor".

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Answer:

one in which the motion of a particle not subject to forces is in a straight line at constant speed

Explanation:

I searched this on the internet

The electric field is 42750 N/C.

We need to know about the electric field to solve this problem. The electric field is the area that is affected by electric energy. The magnitude of the electric field can be determined as

E = k . Q / R²

where E is electric field, k is coulomb's constant (9 x 10⁹ Nm²/C²), Q is charge and R is radius.

From the question above, we know that

Q = 1.9 nC = 1.9 x 10¯⁹ C

R = 2 cm = 0.02 m

By substituting the parameters, we get

E = k . Q / R²

E = 9 x 10⁹ . 1.9 x 10¯⁹ / 0.02²

E = 42750 N/C

Hence, the electric field is 42750 N/C

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The correct answer is 16.62m.

The acceleration brought on by gravity is the acceleration that an object experiences as a result of the gravitational attraction that attracts two objects. Since the SI unit for gravity and acceleration are the same, ms^-2 is used. The standard value for the earth's gravitational acceleration is represented by (g). At mean sea level, g has a standard value of 9.8 ms^-2.

a) Motion of egg is under gravity only so

v= initial speed

v= 4 m/s

b)

Time taken to reach the height point

t_1= v_0-v_top/2g = 4-0/9.8

=4/9.8=0.4

Maximum height attained by egg from the building's roof

h=v_0^2/2g=(4)^2/2×9.8=

=16/19.6=0.81

maximum height from ground

H=h+15.0m

=0.81+15.0=15.81m

Time taken to fall through a distance H is given by

t_2= √2H/g

= √2(15.81)/9.8

= √31.62/9.8

t_2=1.79

∴t=t_1+t_2

=0.4+1.79

=2.19 s

c)

d=h+h=0.81+0.81+15

=16.62

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The magnitude of the resultant force is 10.40 KN.

The problem is based on the concept of concurrent coplanar forces. The value of the resultant forces in the vertical direction is to be equated to zero to calculate the value of the angle.

The summation of the forces in the horizontal direction will provide the value of the resultant force in the horizontal direction.

Concurrent coplanar forces these forces emerge from a common point. These forces work in a common plane. The resultant of these forces in a direction is the sum of the forces in that direction.

The resultant force for a coplanar concurrent unidirectional force system is expressed as,

F=F+F, +F

Here, F, F2, and F3  are the unidirectional concurrent coplanar forces and are the resultant of the forces.

The resultant force will be equal to the sum of the forces in the horizontal direction.

FR = (8 kN)sin +(6 kN) sin(40°)

Substitute 54.939  for.

FR = (8 kN) sin(54.93°) +(6 kN)sin (40°) = 10.40 KN

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By the trigonometry the magnitude and direction of the smallest force p for which the resultant r of the two forces applied at a is vertical force p is 368.06  N.

A vector is a quantity or phenomenon with independent properties for both size and direction. The mathematical or geometrical depiction of a quantity is another meaning of the word. Vectors may be found in nature as force, momentum, electromagnetic fields, weight, and velocity.

The average is calculated by dividing the total by the vector's n elements. can be written as. Since the average is simply a rescaling of the total, the terms average and sum are frequently equivalent. A particular instance of the mean is the average.

balancing forces in horizontal,

425cos30 = Pcosa

P = 425cos30 / cosa   this should be smallest

that means cosa should be biggest.

max(cosa)  = 1

at a = 0 degrees.

so  p = 425cos30/1  = 368.06  N

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By these laws, comet A will have a lower orbital speed. Then the correct option is A.

Every planet's orbit around the Sun is an ellipse, according to Kepler's First Law. The planetary ellipse's central point is always exactly where the Sun is. The Sun is centered. The planetary system is an ellipse, thus as it revolves around its axis, the distance from the Sun changes continuously.

According to Kepler's First Law, the sun is also one of the elliptic foci of planetary bodies' orbits. In addition, according to Kepler's Second Law, as the site goes along its orbital, it covers equal regions in similar amounts of time. Eventually, Kepler's Third Law states that the ratio of the cubes of two planetary nebulae' semi-major longitudinal axis to their rectangular shape periods is equal to that ratio.

By these laws, comet A will have a lower orbital speed.

The missing options are given below.

A. Comet A

B. Comet B

C. Both would be the same

D. Impossible to tell

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Answer: 1.3%

The speed of a bullet train is measured to be 312.0 mph ± 3.9 mph. What is the percent uncertainty in this measurement?(1 point) 1.3%

The two possible angles obtained by using the qudratic equation are;

θ[tex]_{1}[/tex] = 15.10° and θ2 = 73.51°

Given, speed of water = [tex]v_{A}[/tex] = 50ft/s

For the motion along x direction, time period can be calculated as follows:

[tex]s_{x} = (v_{A}) _x_{} } t[/tex]

35 = (50 × cosθ) t

t = 0.64 / cosθ

For the motion in y direction, an equation can be obtained as follows:

[tex]s_{y} = (v_{A})_{y} t +\frac{1}{2} (a_{y} )t^{2}[/tex]

[tex]s_{y} = (-v_{A}[/tex][tex]sin[/tex]θ) [tex]} t +\frac{1}{2} (a_{y} )t^{2}[/tex]

Plugging in the values we get:

[tex]-20 = (-50_[/tex][tex]sin[/tex]θ) [tex]} t +\frac{1}{2} (-32.2} )t^{2}[/tex]

-20 = -32tanθ - 10.304[tex]sec^{2}[/tex]θ

Upon solving the above quadratic equation, we get,

tanθ = 0.27 , -3.38

Therefore,

tanθ[tex]_{1}[/tex] = 0.27

θ[tex]_{1}[/tex] = 15.10°

and, tanθ[tex]_{2}[/tex] = -3.38

θ[tex]_{2}[/tex] = 73.51

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The planet will have a diameter that is approximately ten times larger than mercury on a scale model is Jupiter.

On a scale model, Jupiter will have a diameter that is roughly ten times greater than Mercury.

The smallest and closest planet to the Sun in the Solar System is Mercury. With an orbital period of 87.97 Earth days, it has the quickest orbit of all the planets around the Sun.

The largest planet in the solar system, Jupiter, is located fifth from the sun.

It is a gas giant with a mass that is more than 2.5 times more than the sum of the masses of all the other planets in the Solar System, although it is only slightly more massive than the Sun.

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This is thus because voltage divided by distance determines how strong an electric field is. The field is inversely proportional to this spacing at constant voltage.

More charge can flow via a stronger field, increasing capacitance.

In the simplest terms, the closer two items are near one another, the greater the influence; conversely, the further apart they are, the lesser the influence. As a result, capacitance decreases as spacing increases.

The ratio of the quantity of electric charge held on a conductor to an electric potential difference is known as capacitance. Self-capacitance and mutual capacitance are two concepts that are related to one another.

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The correct answer is α=31, β=73.4, γ=64.62.

The magnitude of a force is the measurement or size of the force acting on an object. The amount of the resultant force is the vector sum of the forces acting on the body. There are frequently several forces acting on a body at once. Either they act in unison or in opposition to one another.

Given :

F1 = 20i - 10j,

F2 = 30j + 10k,

and F3 = 40j + 20k.

We need to find the magnitude of the combined forces.

F_net= F_1+F_2+F_3

F_net=20i-10j+30j+10k+40i+20k

F_net=60i+20j+30k

|F_net|=√(20)^2+(60)^2+(30)^2

=√(400+3600+900)

=√4900

=70N

Direction of force=

cos α=F_x/|F_net|=60/70

cos β=F_y/|F_net|=20/70

cos γ=F_z/|F_net|=30/70

α=31

β=73.4

γ=64.62

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The work done required to raise a 50-kilogram bag 5 meters vertically vs a 25 kg bag of cement is the same.

Work done in lifting 25 kg by 10 m vertically

⇒ [tex]w_{1} = f_{1} d_{1}[/tex]

[tex]= (m_{1} g)d_{1}[/tex]

= 25 × 9.8 × 10 J

= 2450 J

Work done in lifting 50 kg by 5 m vertically

[tex]w_{2} = f_{2} d_{2}[/tex]

[tex]= (m_{2} g)d_{2}[/tex]

= 50 × 9.8 × 5

= 2450 J

Here, both are the same.

The product of an object's displacement and the issue of the carried out force this is directed inside the direction of the object's displacement is called the paintings done via a pressure.

The vertical motion has no effect and is 0. best the horizontal component is protected for computations for the reason that object travels horizontally. As a result, the vertical component of the pressure does no longer work.

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The wavelength at which maximum energy is radiated by the sun is 520 nm.

What wavelength does the sun's peak energy output occur?

The spectrum below is the result of separating sunlight into its individual wavelengths. You may easily understand why sunlight seems yellow because the majority of sunlight is produced at wavelengths about 500 nanometers.

5800 K is what color?

It has already achieved the temperature of 5800 K, which is what humans experience as visible white light, by the time it reaches the photosphere, the surface of the sun.

At a wavelength of 510 nm, the sun's radiation intensity is at its highest.

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The speed of light in a vacuum is the same for all frames of reference.

so "Light travels through space at a speed of 3.0 x 10^8 m/s."

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