Engineers are trying to improve a race car. Their goal is to increase the acceleration of the car using the same engine. Which change shows the best application of Newton’s laws of motion to achieve this goal?

increasing the inertia of the car
decreasing the reaction force
increasing the action force
decreasing the mass of the car

Light passes from an object through the video camera lens and is converted into an electrical signal by an image sensor.

An image sensor, sometimes known as an imager, is a sensor that detects and transmits information required to create an image.

It accomplishes this by translating the changing attenuation of light waves into signals, which are tiny bursts of electricity that carry information.

An image sensor converts light from an object that passes through the video camera lens into an electrical signal.

Light passes from an object through the video camera lens and is converted into an electrical signal by an image sensor.

Hence,image sensor is the correct answer.

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Answer: A

Explanation:

Answer:

set-up X

Explanation:

Assuming that both nails are iron and the charge of the battery is the same, set-up X has a stronger magnetic field.

The more coils [turns] made around a nail, the stronger the electromagnet / magnetic field will be because each coil/loop essentially sets up its own magnetic field.

Hope this helps!!

In this circuit having  an operating heating element and lit lamp, the lamp is going to continue to be lit if the circuit is connected in parallel.

The term electric circuit has to do with the path that current can pass through. In a circuit, there are some  components that must be present in the circuit. The question is incomplete, the complete question is shown in the section marked 'missing parts'.

For the lamp in which there is also an operating heating element, the lamp will remain lit only when the circuit is connected in parallel because the potential difference across the components remain the same.

Missing parts:

An electric circuit contains an operating heating element and a lit lamp. Which statement best explains why the lamp remains lit when the heating element is removed from the circuit?

answer choices

The lamp has less resistance than the heating element.

The lamp has more resistance than the heating element

The lamp and heating element were connected in parallel.

The lamp and heating element were connected in series.

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Answer:

Explanation:

brash this so hard

Answer:

The displacement is straight or the shortest distance from starting point to the destination with direction it moved.

However, here the started from one point and returned to same point. And hence the distance from the starting to final point is Zero. Therefore, there is no displacement for the body.

Answer:

An element is a pure substance and is made of only one type of atom; it cannot be broken down into a simpler substance.

The energy stored in the capacitor at given capacitance and voltage is determined as 396.5 J.

The energy stored in the capacitor is calculated as follows;

E = ¹/₂CV²

where;

V is the voltage

E = ¹/₂ x 13 x 10⁻⁶ x (7.81 x 10³)²

E = ¹/₂ x 13 x 10⁻⁶ x (7.81 x 10³)²

E = 396.5 J

Thus, the energy stored in the capacitor at given capacitance and voltage is determined as 396.5 J.

The complete question is below

An electronic defibrillator used on heart attack victims works by delivering charge stored in a capacitor. If the device utilizes a 13.0 μF capacitor charged to 7.81 × 103 V, what is the energy stored in the capacitor?

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neutralization reactions occur when you combine two extremely reactive substances together for the purpose of rendering them inactive, or neutral.

Explanation:

Force = mass x acceleration

F= ma (formula)

15N = o.5kg x a

Divide both sides by o.5

a = 30 (greater acceleration)

15N = 4.5kg x a

Divide both sides by 4.5

a= 3.33 (great acceleration)

15N = 0.05kg x a

Divide both sides by 0.05

a = 300 (greatest acceleration)

Explanation:

Here,

Velocity of A=60km/hr

Velocity of B=80km/hr

Now,

Relative velocity of B with respect to A in the same direction=Velocity of B - Velocity of A

=80km/hr-60km/hr

=20km/hr

Answer:

20Km / hr

Explanation:

Here

velocity car A=60km/hr

velocity car A=60km/hrvelocity car B=80km/hr

Now

Relative velocity of B with respect to A in the same direction =velocity of B - velocity of A

= 80Km/hr - 60Km/hr

=20km/hr Ans

You decide to hike up Mt. Everest so you can experience what it is like to be above roughly 75% of the air in the atmosphere,  the pressure at the summit is mathematically given as

P= 250mb

Generally, the equation for pressure at the summit is mathematically given as

P= (100-75) * pressure at the surface

Therefore

P= (25/100) x 1000

P= (0.25 x 1000)mb

P= 250mb

In conclusion, the pressure at the summit

P= 250mb

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The line leading a bracket around the balls, labeled A, represents the nucleus of the atom.

The nucleus constructs the major part of the atom where all the mass of atom is concentrated. The nucleus of the atom lies at the center, where protons and neutrons are placed.

2 red and 2 blue overlapping balls in the center are surrounded by a green, fuzzy, circular cloud with a white line running through it. 2 green balls sit on the white line, and a line leading a bracket around the balls is labeled a. a line leading to a bracket overlapping the white line is labeled b.

The red balls and the two overlapping balls in the center are representing the protons and neutrons.

Thus, the line leading a bracket around the balls, labeled A, represents the nucleus of the atom.

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Explanation:

At a distance of 4.25 light years, Proxima is the closest-known star to our solar system. Science of the Alpha Centauri system. The two stars that make up Alpha Centauri, Rigil Kentaurus and Toliman, are quite similar to our sun

The magnetic properties of the ball  help to travel in the pin ball.

A Pinball is a steel sphere of diameter 3 cm. It weighs 2.8 ounces. The ball can reach speed upto 90 miles per hour on the traditional steel pinball.

The magnetic properties of the ball help to travel in the pinball , as some machines uses the magnets to trap the ball in certain places on the playfield.

In some of the machines the ceramic pinball is called Powerball.

Pinball move around the table, hitting bumpers and some targets to score the points.

You'll get only three balls to play, when your third ball falls down then your game will be over.

So, the ball in the pinball will travel because of then magnetic properties of ball.

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Answer:

See below ~

Explanation:

The Mechanical Advantage (MA) is defined as the ratio between the force produced by the machine to the force applied to it.

=============================================================

So,

⇒ [tex]\frac{F(out)}{F(in)} = 2[/tex]

⇒ This means that the force produced is twice the applied force

Answer:

The wavelength is about 666.2 nm.

The color is red.

Explanation:

Recall the relationship between frequency and wavelength:

[tex]\displaystyle c = \lambda \nu[/tex]

Solve for wavelength λ:

[tex]\displaystyle \lambda = \frac{c}{\nu}[/tex]

Substitute and evaluate. Note that 1 Hz = 1 s⁻¹:

[tex]\displaystyle \begin{aligned} \lambda & = \frac{(2.998\times 10^{8} \text{ m/s})}{(4.5\times 10^{14} \text{ /s})} \cdot \frac{1\times 10^9\text{ nm}}{1\text{ m}} \\ \\ & = 666.2 \text{ nm}\end{aligned}[/tex]

Therefore, the wavelength of the light is about 666.2 nm.

This corresponds with the red region of the visible spectrum.

If the charged particle moves in the magnetic field or electric field, then it experiences  magnetic force or electric force because of its magnetic or electric properties.

The magnetic field is the region of space where a charged object experiences magnetic force when it is moving.

When a charged particle such as an electron or proton moves inside a conductor, magnetic lines of force rotate around the particle. This relative motion causes the magnetic field to generate.

Thus, If the charged particle moves in the magnetic field or electric field, then it experiences  magnetic force or electric force because of its magnetic or electric properties.

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Answer:

If a magnetic or electric field is present, materials that generate these fields will interact by attracting or repelling each other because of their magnetic or electric properties.

Explanation:

remote control

Explanation:

A remote control uses light waves just beyond the visible spectrum of light—infrared light waves—to change channels on your TV.

Explanation:

friend I have solved it as we know that force = mass *acceleration and by the equations of motion

To solve this, we must be knowing each and every concept related to force and its calculation. Therefore, the amount of force applied in the car during the time is 6000N.

Nature is governed by four fundamental or universal forces. All stuff in the universe would disintegrate in the absence of these forces. Any pull or push that causes an item to change its physical condition is referred to as force (in terms of motion or deformity).

Mathematically,

V²-u²=2aS

V=72 km/h=72000/3600=20m/s

u=0m/s

s= 50 m

substituting all the given values in the above equation, we get

20²-0²=2×a×50

a=4m/s²

Force = mass ×acceleration

substituting all the given values in the above equation, we get

1500 kg=mass

Force = 1500 ×4

         =6000N

Therefore, the amount of force applied in the car during the time is 6000N.

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Only the horizontal component of the tension force is performing work on the crate. This component has magnitude (50 N) cos(30°) = 25√3 N, so the work done is

(25√3 N) (10 m) = 250√3 N•m ≈ 433 J

The reactance of the circuit will be 5.233×10⁻⁴ ohm. Inductive reactance is the product of 2 times π frequency and the coil inductance.

When alternating electricity passes through pure reactance, it causes a voltage drop that is 90 degrees out of phase with the current.

The letter “X” is used to represent reactance in mathematics, and it is measured in ohms.

The inductive reactance of a coil is calculated using the following formula:

Inductive reactance, or XL, is the product of 2 times p (pi), and the frequency of the ac current in hertz, and the coil inductance in henries.

XL= 2πfL

Where,

f {frequency)

L (Inductance)

The reactance of the circuit is found as;

[tex]\rm R_{new}=0.38[{(\frac{1}{60} )^2][/tex]

[tex]\rm R_{new}=1.055 \times 10^{-4} \ ohm[/tex]

The inductance of the circuit is;

[tex]\rm X_{new}=1.9(\frac{1}{60} )^2\\\\X_{new}= 5.233 \times 10^{-4}\ ohm[/tex]

Hence, the reactance of the circuit will be 5.233×10⁻⁴ ohm.

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Answer:

Soil erosion by water occurs when bare-sloped soil surface is exposed to rainfall, and the rainfall intensity exceeds the rate of soil intake, or infiltration rate, leading to soil-surface runoff.

Explanation:

Surface cover and runoff. Surface cover is a major factor to control erosion because it reduces the impact of raindrops falling on bare soils and wind removing soil particles. It also reduces the speed of water flowing over the land. Erosion risk is significantly reduced when there is more than 30% soil cover.

Answer:

by natural process of flood

by blasting of dam

increasing the water level

The time  taken for anna to move the box the distance of 9.72 meters is 25.9 seconds. The correct option is c.

The force is the action of push or pull to move or stop an object.

Anna pushes a box with a force of 8.00 newtons. she generates a power of 3.00 watts.

Force is related to power by the relation

Force = Power / Velocity

Put the values, we get

8 = 3/V

V = 0.375 m/s

Velocity is defined as the ratio of distance and the time taken.

The box is moved by the distance of 9.72 meters. So, time taken is

V = d/t

0.375 = 9.72/t

t =25.9 seconds.

Thus,  time  taken for anna to move the box the distance of 9.72 meters is 25.9 seconds.

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Explanation:

20÷250 =12.5 and do it by using fourmulaes

If the elevator falls from a height of 240 meters and Superguy is 1 km away, he will have 6.5 seconds to save Lois, which means that his average speed must be 150 meters per second.

The total distance traveled by an object divided by the total time taken is the average speed.

The average speed of an object indicates the pace at which it will traverse a distance. The metric unit of speed is the meter per second.

Given data:

Distance of super guy from the tower = 1.00 km

height(h)= 240 m

From the Newtons' second equation of motion:

[tex]\rm S= ut+\frac{1}{2} at^2 \\\\\ 210 = 0+\frac{10}{2} t^2 \\\\ t= \sqrt 42\\\\t=6.5 \ sec[/tex]

Distance is the foundation as the product the velocity and time;

D=ut

u=d/t

u=1000/t

u=1000/6.5

u=150 m/sec

Hence, he will have 6.5 seconds to save Lois, which means that his average speed must be 150 meters per second.

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Answer:

F = M ω^2 R     is the centripetal force on the ball

f = 7 / 10 = .70 / sec      revolutions / sec

ω = 2 pi f = 4.40 / sec

ah = F / m = 4.4^2 * 2 = 38.7 m/s^2

horizontal acceleration = 38.7 m/s^2

vertical acceleration = 9.80 m/s^2

a = (38.7^2 + 9.8^2)^1/2 = 39.9 m/s^2    total acceleration

Answer:

Radiology plays a huge role in disease management by giving physicians more options, tools, and techniques for detection and treatment. Diagnostic imaging allows for detailed information about structural or disease-related changes. With the ability to diagnose during the early stages, patients may be saved.

Explanation:

Explanation:

An analog signal uses some property of the medium to convey the signal's information. For example, an aneroid barometer uses rotary position as the signal to convey pressure information. In an electrical signal, the voltage, current, or frequency of the signal may be varied to represent the information.

The Berlin Airlift is best described as the aircraft used to delivered needed food and supplies to the city of Berlin through the air because all other routes were blocked by the Soviet Union.

The Berlin airlift was a 1940s military operation that supplied West Berlin with food and other vital goods by air after the Soviet Union blockaded the city.

Thus, the Berlin Airlift is best described as the aircraft used to delivered needed food and supplies to the city of Berlin through the air because all other routes were blocked by the Soviet Union.

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