A jet aircraft is accelerating at 3.8 m/s2 as it climbs at an angle of 18∘ above the horizontal. (a) Determine the magnitude of the total force that the cockpit seat exerts on the 76- kg pilot? (b) Determine the angle between the positive x axis and the total force that the cockpit seat exerts on the 76- kg pilot, measured counterclockwise.

The kinematics equation to determine v₀ is  Δx = (v + v₀/2) Δt; option B

Kinematic equations are equations which describe the motion of moving bodies.

Kinematic equations are also known as equations of motion.

The equations of motion are given below:

where;

Given that the values for the following are given;  Δx, v, and Δt, the equation to determine v₀ will be Δx = (v + v₀/2) Δt

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Answer:

700km

Explanation:

going was 250km and leaving was 450

250+450=700

The particle B will pass particle A in 1.10s.

Using kinematic formula,

d = Vini x t + 1/2 at²

where,

d is distance

Vini is velocity initial

a is acceleration

t is time

So, putting values

7.7 t + 1/2 x 1.8 t^² = 2.9 t + 1/2 x 5.7 t²

7.7 t + 2.7 t² = 2.9 t + 8.55 t²

t + t² / t + t² = 2.9 + 8.55 / 7.7 + 2.7

t = 1.10s

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Answer:

2,000

Explanation:

Answer: 2000 meters would be the distance you walked, but if you need it in feet, it is 6,561.67979.

Explanation: 1 meter = 3.28 feet.

1. The truck overtakes the car at time t = 2vC/(aT  - aC)

2. The coordinate where the truck passes the car is  x = 2aT[vC/(aT  - aC)]²

The question has to do with equation of motion

The equations of motion are equations that are used to describe the motion of an object under constant acceleration.

1.) At what time does the truck pass the car?

Since at t = 0 a truck starts from rest at x = 0 and speeds up in the positive x -direction on a straight road with acceleration aT.

We find the distance moved by the truck using the equation of motion d = ut + 1/2at² where

So, d = ut + 1/2at²

d = 0 × t + 1/2aTt²

d = 1/2aTt²

Also, at the same time, t = 0, a car is at x = 0 and traveling in the positive x -direction with speed vC . The car has a constant negative x -acceleration: acar−x=−aC , where aC is a positive quantity.

We find the distance moved by the car using the equation of motion D = ut + 1/2at² where

So, D = ut + 1/2at²

D = vCt + 1/2(-aC)t²

D =  vCt - 1/2aCt²  

The truck over takes the car when d = D

So, 1/2aTt² = vCt - 1/2aCt²  

1/2aTt²  - 1/2aCt² - vCt = 0

[(aT  - aC)t/2 - vC)]t = 0

⇒ t = 0 or (aT  - aC)t/2 - vC = 0

⇒ t = 0 or (aT  - aC)t/2 = vC

⇒ t = 0 or t = 2vC/(aT  - aC)

So, the truck overtakes the car at time t = 2vC/(aT  - aC)

Since the distance moved by the truck is d = x - 0

= 1/2aTt², where x = coordinate where truck passes car.

To find the coordinate where the truck passes the car, we susbstitute the time where the truck passes the car into d. So, t =  2vC/(aT  - aC)

So,  x - 0 = 1/2aTt²

x = 1/2aT[2vC/(aT  - aC)]²

x = 2aT[vC/(aT  - aC)]²

So, the coordinate where the truck passes the car is  x = 2aT[vC/(aT  - aC)]²

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The time taken by the toy rocket that was fired horizontally to land on the ground is 2.47 seconds

s = ut + 1 / 2 at²

s = Distance

u = Initial velocity

t = Time

a = Acceleration

[tex]u_{x}[/tex] = 12 m / s

[tex]u_{oi}[/tex] = 0

[tex]s_{y}[/tex] = 30 m

[tex]a_{x}[/tex] = - 1.6 m / s²

[tex]a_{y}[/tex] = g = 9.8 m / s²

[tex]s_{y}[/tex] = [tex]u_{oi}[/tex] t + 1 / 2 gt²

30 = 0 + ( 0.5 * 9.8 * t² )

t = √ ( 30 / 4.9 )

t = 2.47 s

The initial velocity of a horizontal projectile motion is in x-direction is constant throughout the motion whereas in y-direction the initial velocity is zero and the final velocity varies.

Therefore, the time taken by the toy rocket that was fired horizontally to land on the ground is 2.47 seconds

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Hi !

Answer:

Which term is defined as a guess informed by observations?

O hypothesis

88 generations have passed.

A generation is a collective term for all individuals who were born and are still alive at around the same period. The average time frame, commonly regarded to be between 20 and 30 years, during which children are born, grow up, become adults, and start having children is another way to put it. It is a structural term used to describe the parent-child relationship in kinship terminology.

In social science, the terms "generation" and "cohort" are sometimes used interchangeably to refer to "individuals within a defined population who experience the same key events over a certain period of time." These birth cohorts, usually referred to as "social generations," are frequently employed in popular culture and have served as the foundation for sociological study.

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The unit conversion of 1.5 x 10⁸ Gm to m =  1.5 x 10¹⁷ m.

The unit conversion of 2.6 x 10⁻⁵ nm =  2.6 x 10⁻²⁰ Mm.

The unit conversion of 2.72 x 10⁻⁵ μm =   2.72 x 10⁻¹¹ m.

The unit conversion of 2.56 x 10⁻³ cm =  2.56 x 10⁻⁸ km.

The unit conversion of 2 hr =  7,200 seconds.

The unit conversion of 2 h 30 min  = 9,000 seconds.

Unit conversion involves the change of unit of a substance from one base to another.

1.5 x 10⁸ Gm = 1.5 x 10⁸ x 10⁹ m = 1.5 x 10¹⁷ m

2.6 x 10⁻⁵ nm = 2.6 x 10⁻⁵ x 10⁻⁹ x 10⁻⁶ m = 2.6 x 10⁻²⁰ Mm

2.72 x 10⁻⁵ μm =  2.72 x 10⁻⁵  x 10⁻⁶ m =  2.72 x 10⁻¹¹ m

2.56 x 10⁻³ cm = 2.56 x 10⁻³ x 10⁻² m x 10⁻³ km/m = 2.56 x 10⁻⁸ km

2 hr = 2 x 3600 s = 7,200 seconds

2 h 30 min = 7,200 seconds + 1800 s = 9,000 seconds

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In physics, a system is a group of related objects that interact with each other and form a complex whole.

In sciences (i.e., physics, chemistry and biology) a system can be defined as an interrelated group of different elements or parts that work together to perform a given function.

In conclusion, in physics and science disciplines in general, a group of related objects that interact in order to form a complex whole is commonly referred as a system.

Complete question:

Fill in the blank. In physics, a ____ is a group of related objects that interact with each other and form a complex whole.

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Part A: capacitance =  2.650 × [tex]10^{-12}[/tex] F

Part B: the potential difference between the plates =  2.5250 × 10²  V

Part C: the magnitude of the electric field between the plates = 7.56 × [tex]10^{6}[/tex]  V/m

Given:

distance between plates(d) = 3.34 × [tex]10^{-3}[/tex] m

Area of plates(A) = 10 × [tex]10^{-4}[/tex] m²

Charge(Q) = 6.70 × [tex]10^{-8}[/tex] C

electric constant(εo) = 8.8542× [tex]10^{-12}[/tex]  F/m

The capacitance is given by:

C= εo*A/d

  = (8.8542× [tex]10^{-12}[/tex]  × 10 × [tex]10^{-4}[/tex] )/ 3.34 × [tex]10^{-3}[/tex]

   = 2.650 × [tex]10^{-12}[/tex] F

To calculate the Magnitude of the electric field between the plates

⇒ E=σ/εo ,where σ = Q/A

    σ =  6.70 × [tex]10^{-8}[/tex] /  10 × [tex]10^{-4}[/tex]

       =  6.70 × [tex]10^{-5}[/tex]  C[tex]m^{-2}[/tex]

Now, E =   6.70 × [tex]10^{-5}[/tex] /  8.8542× [tex]10^{-12}[/tex]

             =    7.56 × [tex]10^{6}[/tex]  V/m

To find the potential difference between the plates;

V=E×d

  = 7.56 × [tex]10^{6}[/tex] × 3.34 × [tex]10^{-3}[/tex]

  =   2.5250 × 10²  V

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the magnitude and direction of this vector is cos −1√ (−5/ 89)

Magnitude is simply "distance or quantity" in the context of physics. In terms of motion, it shows the absolute or relative size, direction, or movement of an object. It is used to describe something's size or scope. Magnitude in physics typically refers to a size or quantity.

A constant quantity's magnitude is a numerical value for the quantity expressed in terms of a unit of measurement. For instance, the real number 2000 is the magnitude of the quantity 2 kilometers in the unit-of-measure meter.

Magnitude = (25) 2 + (40) 2 =5√89

Angle with the x-axis equals tan√ 1(y/x).

=tan −1 √ (40/−25)

=tan −1√ (−8/5)

=cos −1√ (−5/ 5 √2+6/2)

=cos −1√ (−5/ 89)

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The normal force acting on the block is 49 N in upward direction

It is given that

mass of block is 5kg

And we have to find the Normal force on block

The force surfaces apply to stop solid objects from passing through one another is known as the normal force.

A contact force is a normal force. A normal force cannot be applied between two surfaces that are not in contact.

Since, block is at rest and no other force is acting on it so only force acting on it is by the table and it is in upward direction

Force = mg = 5 x 9.8 = 49 N in upward direction

Hence, normal force acting on block is 49 N in upward direction

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Answer:

1.25 m

Explanation:

Constant Acceleration Equations (SUVAT)

[tex]\boxed{\begin{array}{c}\begin{aligned}v&=u+at\\\\s&=ut+\dfrac{1}{2}at^2\\\\ s&=\left(\dfrac{u+v}{2}\right)t\\\\v^2&=u^2+2as\\\\s&=vt-\dfrac{1}{2}at^2\end{aligned}\end{array}} \quad \boxed{\begin{minipage}{4.6 cm}$s$ = displacement in m\\\\$u$ = initial velocity in ms$^{-1}$\\\\$v$ = final velocity in ms$^{-1}$\\\\$a$ = acceleration in ms$^{-2}$\\\\$t$ = time in s (seconds)\end{minipage}}[/tex]

When using SUVAT, assume the object is modeled as a particle and that acceleration is constant.

Consider the horizontal and vertical motion of the ball separately.

As the ball rolls off the table with a horizontal velocity only, the vertical component of its initial velocity is zero.

Acceleration due to gravity = 10 ms⁻²

As we need to find the vertical displacement of the ball, resolve vertically, taking ↓ as positive:

[tex]u=0 \quad a=10 \quad t=0.5[/tex]

[tex]\begin{aligned}\textsf{Using} \quad s&=ut+\dfrac{1}{2}at^2\\\\s&=(0)(0.5)+\dfrac{1}{2}(10)(0.5)^2\\s&=0+\dfrac{1}{2}(10)(0.25)\\s&=(5)(0.25)\\ \implies s&=1.25 \; \sf m\end{aligned}[/tex]

Therefore, the vertical displacement of the ball is 1.25 m, and so the table is 1.25 m above the floor.

Answer:

A

Explanation:

Answer:

Electrostatic shielding

Explanation:

Positive and negative charges that are out of balance cause static electricity. One substance becomes positively charged and one becomes negatively charged when two dissimilar materials are rubbed together. Materials have been rated according on how well they can hold or release electrons. The triboelectric series is the name given to this order. These materials include paper, plastic, glass, hair, nylon, wool, and silk.

Electrons are merely transferred from one location to another when we charge anything with static electricity. There are no new or lost protons or electrons. The overall or net electric charge does not change. The "conservation of charge" principle refers to this.

An electric field is produced around charged items. The amount of charge, the distance involved, and the form of the items are just a few of the variables that affect how strong this field is. When dealing with huge items, this may get rather problematic. We may thus deal with "point sources" of charge to make things simpler. Point sources, also known as sources of insignificant dimensions, are charged objects that are much, much smaller than the space between them. The word "static" comes from the fact that an electric charge exists even when the electrons are not moving.

In the 1780s, French scientist Charles Coulomb (1736–1806) gave the first detailed account of electric field intensities. He discovered that the electrical force for point charges directly changes with the product of the charges. In other words, the field is stronger the higher the charges. Additionally, the field changes inversely with the square of the charge separation. This implies that the force weakens with increasing distance.

Because a significant charge may harm fragile electronic components like MOSFETs, CMOS ICs, Computer cards, TTL chips, and even LEDs, static electricity presents challenges for experimenters and electronics makers.

In a laboratory, there are a few fairly easy techniques to prevent static charges. The lab's air is made more humid, which reduces static electricity. Dry environments are better for electron accumulation. A thin coating of water molecules covers the majority of surfaces during humid days, allowing electrons to flow more easily and making nearly everything conductive and static-free. As a result, shocks are less frequent on these days.

Some factory employees must adhere to stringent dress codes, avoiding sweaters and headgear that can promote static. Technicians may wear wrist bands that deliver additional electrons into the earth by connecting them to the floor with a metal wire.

In factories, "air ionizers" are also used to regulate electron behavior. The devices release ions, or molecules with an excess of electrons, into a space. Ions are molecules with one or more missing electrons. The electrons find their opposites as they align with them as they drift around the room looking for equilibrium. Ionizers stop the accumulation of static electricity.

Sometimes we need a completely electrostatic-free environment for a piece of equipment to function extremely effectively, and the only definite way to achieve this is by creating a kind of enclosure that the equipment is designed to operate in. It could take up a whole room or perhaps just a metal box in a lab. A FARADAY'S CAGE is what it is called. It was created by British scientist Michael Faraday (1791–1867) and protects the contents from static electric forces.

The term comes from the fact that these enclosures resemble cages in many ways. Some are as straightforward as metal or chain-link enclosures. Some people employ a thin metallic mesh. No matter how they look exactly, all Faraday cages spread electrostatic charges or even specific forms of electromagnetic radiation around the cage's surface, keeping the interior free of them. (The metal mesh must contain holes that are shorter than the wavelength that is to be filtered in order to screen against electromagnetic radiation.) In essence, a Faraday cage is merely a "hollow conductor," with the charge only remaining on the cage's outside.

An airplane is the greatest illustration of a Faraday's Cage. Lightning frequently strikes airplanes when they are in the air. Despite the fact that it occurs frequently, neither the passengers nor the plane are harmed. This is so because the plane's metal body acts as a Faraday cage. Lightning strikes harmlessly over the surface of the airplane, causing no harm to the avionics, communications, or passenger electronics.

Thanks,

Eddie

The charge that must be on each plate is 3.53 x 10⁻⁸ C.

The electric field between two parallel plates is given as;

C = εA/d

C = Q/V

V = Ed

C = Q/Ed

Q/Ed = εA/d

Q/E = εA

Q = εEA

where;

Q = (8.85 x 10⁻¹² x 8.85 x 10⁵ x 45 x 10⁻⁴)

Q = 3.53 x 10⁻⁸ C

Thus, the charge that must be on each plate is 3.53 x 10⁻⁸ C.

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There are numerous starting points that a composer could use when writing a piece of music. True.

Composers write, direct, and create tunes for numerous genres. they will produce compositions, scores, and preparations for theatre, movies, television, and even video games. Composers have fantastic musical ears and frequently advocate for musicians.

A music style or subgenre may be described by using the musical techniques, the cultural context, and the content material and spirit of the themes. The geographical foundation is once in a while used to perceive a song style, even though a single geographical category will often encompass a wide style of subgenres.

Dynamics manner how quietly or loudly a bit of track ought to be performed. Dynamics are an essential way of conveying the mood of a bit and your use of dynamics is a marked detail of your performance. Composers use dynamics to trade the temper.

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Answer:

rsgc

Explanation:

bsf xg

Answer:

can u show question 1?

Explanation:

The amount of energy used by the TV is 129.6 kJ.

Electric energy is the product of charge and potential difference.

To calculate the amount of electric energy used, we use the formula below.

Formula:

Where:

From the question,

Given:

Substitute these values into equation 1

Hence, the amount of energy used by the TV is 129.6 kJ.

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The mass flow rate of water is 5.146×10³ kg/s

The enthalpy change that occurs during a reaction is the heat that enters or exits the system. A critical factor that determines whether a reaction may occur is whether the enthalpy of the system increases (i.e., because energy is added) or lowers (i.e., because energy is given off).

Elevational difference (Z1-Z2) =15m

V1 = the inlet velocity, V2 = the outlet velocity

Using the equation for steady-state energy Q+m(h1+V2/12+g/z1) =W+m(h2+V22/2+gz2),

m(h1+V21/2+g/z1) m(h2+V22/2+g/z2) =WQ, and m(h1h2+V2/12V22/2+g/z1g/z2) =WQ.

The change in enthalpy and the rate of heat transfer are both zero because the pressure and temperature have barely changed.

m (0−0+0/22−10/22+9.81× (15))

=500×1000m\s

=5.146×10³ kg/s

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The formula m-1206 represents the discrepancy between the student's estimation and the actual number of marbles.

The student guesses that there are m marbles given that there are 1206 marbles in the jar.

The term that best captures the discrepancy between the student's guess and the actual number of marbles must be found.

Expressions are made up of a combination of numerical values, symbols, fractions, coefficients, and other elements that lack the equals sign.

There are 1206 marbles in total.

Guessed number of marbles by the student-m

The phrase that illustrates the distinction between a student's educated guess and

The expression that shows the difference between the student's guess and the actual number of marbles is m-1206.

Hence the expression which reflects the difference between the student's guess and the actual number of marbles is m-1206.

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(a) The time taken before the student catches the bus is 11.52 seconds.

(b) The distance the student have to run before she overtakes the bus is 63.36 m.

(c) The speed of the bus is 2.0 m/s.

(d) If the student's top speed is 2.7 m/s he will still catch the bus, since the bus's speed is 2.0 m/s.

Apply the principle of relative velocity as follows;

(Vs - Vb)t = D

where;

(Vs - at)t = D

where;

(5.5 - 0.173t)t = 40.4

5.5t - 0.173t² = 40.4

0.173t² - 5.5t + 40.4 = 0

solve the quadratic equation using formula method;

a = 0.173, b = -5.5, c = 40.4

t = 11.52 seconds or 20.27 seconds

so the minimum time taken by the student to over take the bus is 11.52 seconds

d = vt

d = 5.5 m/s x 11.52 s = 63.36 m

v = at²

v = 0.173 x (11.52)

v = 2.0 m/s

If the student's top speed is 2.7 m/s he will still catch the bus, since the bus's speed is 2.0 m/s.

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Answer:

electron, lightest stable subatomic particle known. It carries a negative charge of 1.602176634 × 10−19 coulomb, which is considered the basic unit of electric charge. The rest mass of the electron is 9.1093837015 × 10−31 kg, which is only 1/1,836the mass of a proton.

Explanation:

I hope this will be helpful for you.

Diffraction is the spreading out of waves past small openings and the bending of waves around small obstructions.

Diffraction is the process by which light spreads out after passing through a small space or bends around an obstruction. Diffraction can occur in waves of any kind, including sound, radio, and water.

When an object has dimensions that are close to or smaller than the sound wave's wavelength, it causes a sound wave to move around it.

Waves spread out as they move through an aperture or around objects, which is known as diffraction. It happens when the aperture's or obstacle's size is of the same order of magnitude as the wave's wavelength. Nearly all of the wave is blocked at very small aperture sizes.

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From the definition of capacitance, the potential difference between them will be 6.24v

The capacitance of a capacitor is the ratio of charge to the voltage supplied. It is measure in Farad.

If you make a capacitor by cutting the 14.5-cm-diameter bottoms out of two aluminum pie plates, separating them by 3.35 mm , and connecting them across a 6.00 V battery, the cross sectional A = πr²

where r = 14.5/2 = 7.25 cm

r = 7.25/100 = 0.0725 m

The distance d = 3.35 mm = 3.35/1000 = 0.00335 m

A = πr²

A = 22/7 × 0.0725²

A = 0.0165 m²

Capacitance is proportional to the area of the plate and inversely proportional distance between them. That is,

C = ξA/d

where ξ = 8.5 × 10^-12 C²/Nm²

C = (8.5 × 10^-12 × 0.0165) / 0.00335

C = 4.19 × 10^-11 F

From Charge Q = CV

Q = 4.19 × 10^-11 × 6

Q = 2.5 × 10^-10 C

If you disconnect the battery and separate the plates to a distance of 3.50 cm without discharging them, the capacitance will be

C = ξA/d

C = (8.5 × 10^-12 × 0.0165) / 0.0035

C = 4.007 × 10^-11

From Q = CV

V = Q/C

V = 2.5 × 10^-10 / 4.007 × 10^-11

V = 6.24 v

Therefore, the potential difference between them will be 6.24v

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Answer:

37.85 Liters in 10 US gallons

Explanation:

if asking for volume: volume = 3.785liters

If an extension cord 20 m long uses no. 12 gauge copper wire cross-section of area 0.033 cm² resistivity 1.7×10⁻⁸ ohms - m, the resistance of the extension chord would be 0.1030 Ohm.

Resistance is the obstruction of electrons in an electrically conducting material.

The mathematical relation for variation in resistance with length is given by

R = ρ*L/A

As given in the problem an extension cord 20 m long uses no. 12 gauge copper wire cross-section of  area 0.033 cm² resistivity 1.7×10⁻⁸ ohms - m, then we have to find the resistance of the wire,

Resistance of the wire =  1.7×10⁻⁸ ×20/0.033 ×10⁻⁴

                                     =0.1030 Ohm

Thus, the resistance of the extension chord would be 0.1030 Ohm.

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The question is incomplete the complete question is,

An extension cord 20 m long uses no. 12 gauge copper wire cross-section of area 0.033 cm² resistivity 1.7×10⁻⁸ ohms - m, then find the resistance of the wire?