If a pilot wants to fly to a city that is 1000 miles due north of his starting city, he must fly -science-


A. Due West
B. Due North
C. North but also West
D. North but also East

In electrical and electronics circuits, amplitude is the maximum value of a signal. This is known as the strength or intensity of the signal. Phase, can be seen as the timing relationship between two signals or waveforms. It tell the time it takes betwen the peaks or zero crossings of two waveforms

In electrical and electronics circuits, phase tell us about the the relationship between currents in different parts of the circuit, For example in AC circuits with multiple components.

We the amplitude and phase of signals in electrical and electronics circuits is understood, it becomes easier to design and analyz circuits, and can even be used for troubleshooting and maintaining them.

Learn more about amplitude ;

https://brainly.com/question/15930409

#SPJ1

Answer:

Vi = 32 [m/s]

Explanation:

In order to solve this problem we must use the following the two following kinematics equations.

\(v_{f} =v_{i} - (a*t)\\\)

The negative sign of the second term of the equation means that the velocity decreases, as indicated in the problem.

where:

Vf = final velocity = 8[m/s]

Vi = initial velocity [m/s]

a = acceleration = [m/s^2]

t = time = 5 [s]

Now replacing:

8 = Vi - 5*a

Vi = (8 + 5*a)

As we can see we have two unknowns the initial velocity and the acceleration, so we must use a second kinematics equation.

\(v_{f}^{2} = v_{i}^{2} - (2*a*d)\)

where:

d = distance = 100[m]

(8^2) = (8 + 5*a)^2 - (2*a*100)

64 = (64 + 80*a + 25*a^2) - 200*a

0 = 80*a - 200*a + 25*a^2

0 = - 120*a + 25*a^2

0 = 25*a(a - 4.8)

therefore:

a = 0 or a = 4.8 [m/s^2]

We choose the value of 4.8 as the acceleration value, since the zero value would not apply.

Returning to the first equation:

8 = Vi - (4.8*5)

Vi = 32 [m/s]

Acceleration is defined as the change in velocity per unit time. Its unit is m/s².

Distance is the amount of space, or the actual length of the path travelled.

Displacement is the difference between the initial and final positions of the object.

Speed is the rate at which an object covers a certain distance.

Velocity is defined as the speed with a direction.

An object is said to have a positive velocity, if it is moving in the positive direction. And an object moving in negative direction has a negative velocity.

Acceleration is the change in velocity per unit time.

For freely falling objects, gravity is the only thing acting on the object.

The acceleration due to gravity on the earth is 9.8 m/s².

To learn more about acceleration, click:

https://brainly.com/question/16888861

#SPJ1

Answer:

hi there

Explanation:

1 - III

2- 1

3-1

HOPE IT HELP YOU

PLz mark me as a BRAINLIST

Explanation:

1 . 3

2. 1

3. 2

I hope it is helpful to you.

Answer:

  B. Digital signals are more secure

Explanation:

You want to know an advantage of transmitting information using digital signals.

Digital signals are characterized by having a few discrete states. In the simplest case, those states are {transmitting, not transmitting}. Modern digital signals are often transmitted using numerous combinations of phases, frequencies, and amplitudes.

Analog signals are characterized by a continuum of the characteristic used to convey the information. When amplitude modulation is used, the information of interest is conveyed by the amplitude of the signal. Similarly, when frequency or phase modulation is used, the information is conveyed by the frequency or phase of the signal, respectively.

That is, analog signals have a continuous range of values.

Any signal that is broadcast will have a signal level that decreases with distance from the source of the broadcast. Any signal conveyed through a medium will be subjected to distortions and losses due to the interaction of the signal and the medium. Hence all signals become weaker as the distance from the source increases.

The receiver of a signal will, in general, receive signals other than the one intended. These are referred to as "noise." A transmission channel may have many sources of noise, including other transmitters, Cosmic Background Radiation, thermal noise in the components of the receiver or transmission medium, and others.

For analog signals, noise can directly affect the amplitude or phase being used to represent the signal of interest. Hence it changes the received value so it is not the same as the transmitted value.

The states of digital signals are designed to be sufficiently far apart that any corruption by noise will not affect the value as interpreted by the receiver. Thus, in terms of corruption of the information, we can say digital signals are more secure.

__

Additional comment

In radio transmission, noise is generally an addition to the signal. The weaker the analog signal, the greater the effect of noise. Broadcast radio began as AM radio: amplitude modulated. As the signal weakens, noise becomes a greater portion of the amplitude, so the receiver hears "static" where they want to hear voice or music.

FM, frequency modulated, radio replaced AM radio in order to avoid this issue with noise. The frequency of a signal is less likely to be corrupted. However, as the signal weakens, it can be difficult to determine its frequency, so that method of analog transmission also succumbs to noise.

Digital transmission in a noisy channel can also be corrupted by noise. Ultimately, the rate of information transmission in a given channel depends on the channel bandwidth and the signal-to-noise ratio. The integrity of a signal can be improved through coding that allows missing or corrupted bits of information to be determined based on the other bits that are received.

"Security" of a transmission can have different meanings. Here, we understand it to refer to the integrity of the information being conveyed. It could also relate to the difficulty of intercepting the transmission, or the difficulty of understanding the meaning of the received signal. Digital signals may or may not be more "secure" in these other meanings of the word.

Answer:

Explanation:

How to find main scale and vernier scale reading?

Follow these steps to read the vernier scale:

   Read the main scale. Look for the last whole increment visible before the 0 (zero) mark.

   Read the secondary scale (Vernier) measurement. This is the division tick mark that lines up best with a mark on the main scale.

   Add the two measurements together.

How do you find the main scale reading?

The main scale on a Vernier caliper typically tells you the whole number plus the first decimal. Read this just as you would a ruler, measuring to the zero mark on the sliding (Vernier) scale. For example, if the 0 on the sliding scale lines up with the 2 inch mark, your measurement is 2 inches

Based on the table and your knowledge of sound, the best explanation of why sound travels faster in saltwater than fresh water is that salt water is more resistant to compression which is why it travels through it faster.

This is referred to as a disturbance in a medium that carries energy without a net movement of particles.

Unlike normal water, saltwater has a greater density because of its molecular arrangement . Thus, sound waves travel faster underwater as the wave bumps through and vibrates with more molecules thereby making it the reason why it was chosen as the correct choice.

Read more about Wave here https://brainly.com/question/15663649

#SPJ1

At 30°C, the rms speed of a sample of oxygen with a molar mass of 16 g/mol is approximately 482.34 m/s.

The root mean square (rms) speed of a gas molecule is a measure of the average speed of the gas particles in a sample. It can be calculated using the formula:

vrms = √(3kT/m)

Where:

vrms is the rms speed

k is the Boltzmann constant (1.38 x 10^-23 J/K)

T is the temperature in Kelvin

m is the molar mass of the gas in kilograms

To calculate the rms speed of oxygen at 30°C (303 Kelvin) with a molar mass of 16 g/mol, we need to convert the molar mass to kilograms by dividing it by 1000:

m = 16 g/mol = 0.016 kg/mol

Substituting the values into the formula, we have:

vrms = √((3 * 1.38 x 10^-23 J/K * 303 K) / (0.016 kg/mol))

Calculating this expression yields the rms speed of the oxygen sample:

vrms ≈ 482.34 m/s

For such more questions on speed

https://brainly.com/question/31380575

#SPJ8

False. E=hf, where h is Planck's constant, c is the speed of light, f is the frequency, and is the wavelength; and E=hc/, where E is directly proportional to frequency and inversely proportional to wavelength.

With respect to the wavelength of the radiation, photon energy is inversely proportional.

Two formulas can be used to determine a photon's energy: E = h f is a formula that can be used if the photon's frequency is known. This equation, sometimes known as Planck's equation, was created by Max Planck.

To know more about wavelength visit:-

https://brainly.com/question/11625774

#SPJ1

Answer:

The correct options are:

B) They have the same wave speed as visible light

D) They have a lower frequency than gamma rays.

Explanation:

B) Ultraviolet rays, commonly known as UV rays, are a type of electromagnetic ways. As electromagnetic waves, in the layman's term, are all kinds of life that can be identified, all electromagnetic waves (UV rays, visible light, infrared, radio etc) all travel with the same velocity, that is the speed of light, given as v = 3 × 10⁸ m/s

D) The frequency of all electromagnetic rays can be found by electromagnetic spectrum (picture attached below).

We can clearly see in the picture that the frequencies of UV rays lie at about 10¹⁵ - 10¹⁶ Hz which is lower than the frequency of Gamma ray, which lie at about 10²⁰ Hz.

Answer:

Answer 43cm

Explenation:

if you divide it to 4 it will convert to 43 so answer is 43cm if this wrong im sorry but mine is perfect thankss :)

Answer:

Explanation:

a) PE = mgh = 65(9.8)(10) = 6370 J

b) KE = ½mv² = ½(65)14² = 6370 J

c) Potential energy has converted to kinetic energy with zero loss to friction.

d) 6370/2 = ½(65)v²

             v = √(6370/65)

             v = √98 m/s  or approximately 9.9 m/s

Only half of the potential energy was converted to kinetic energy.

A. The gravitational potential energy of the diver is 6370 J

B. The diver’s kinetic energy is 6370 J

C. The gravitational potential energy and the kinetic energy of diver is the same.

D. The speed of the diver 5.0 m above the water is 9.9 m/s

A. Determination of the gravitational potential energy.

PE = mgh

PE = 65 × 9.8 × 10

PE = 6370 J

B. Determination of the kinetic energy

KE = ½mv²

KE = ½ × 65 × 14²

KE = 6370 J

C. Comparison of the gravitational potential energy and the kinetic energy

Potential energy (PE) = 6370 J

Kinetic energy (KE) = 6370 J

From the above, we can see that the gravitational potential energy and the kinetic energy of the diver is the same during the dive since air resistance is negligible.

D. Determination of the speed of the diver at 5 m above the water

We'll begin by calculating the gravitational energy.

PE = mgh

PE = 65 × 9.8 × 5

PE = 3185 J

Finally, we shall determine the velocity.

KE = ½mv²

3185 = ½ × 65 × v²

3185 = 32.5 × v²

Divide both side by 32.5

v² = 3185 / 32.5

Take the square root of both side

v = √(3185 / 32.5)

v = 9.9 m/s

Learn more about potential and kinetic energy:

https://brainly.com/question/8664733

Answer:

D

Explanation:

In a series circuit there is only one path for the current to complete the path....so D

Answer:

For example, if we see two loudspeakers next to each other, it can make sense to place each loudspeaker at the same distance from the viewer.

Explanation:

Answer:light forms bars on a surface after passing through two slits

Explanation:

Answer:

Refraction is another way that waves interact with matter. ... Waves bend as they enter a new medium because they start traveling at a different speed in the new medium. For example, light travels more slowly in water than in air. This causes it to refract when it passes from air to water or from water to air.

Explanation:

i hope this helps but if it doesnt im rlly srry :p

Answer:

b

Explanation:

The pressure after the temperature has risen to 40.0 °C, assuming that there are no appreciable leaks or changes in volume is 4.35×10⁵ Pa

From the question given above, the following data were obtained:

The pressure the temperature has risen to 40 °C can be obtained as follow:

P₁V₁ / T₁ = P₂V₂ / T₂

Volume = contant

P₁ / T₁ = P₂ / T₂

4.00×10⁵ / 288 = P₂ / 313

Cross multiply

P₂ × 288 = 4.00×10⁵ × 313

Divide both sides by 288

P₂ = (4.00×10⁵ × 313) / 288

P₂ = 4.35×10⁵ Pa

Thus, the pressure at 40 °C is 4.35×10⁵ Pa

Learn more about pressure:

https://brainly.com/question/15343985

#SPJ1

Answer:yeah it A

Explanation:

a. The the smallest radius of curvature for the track that the train can tolerate is 4.44 km

b. The speed must the train mantain to keep the acceleration at the limit is 25 m/s

Using the equation for centripetal acceleration, we find the radius of the circle the train can tolerate.

So, centripetal acceleration a = v²/r where

Making r subject of the formula, we have

r = v²/a

Given that the train has a speed of 181 km/hr and its acceleration must not exceed 0.058g, we have that

So, substituting the values of the variables into the equation for r,we have

r ≥ v²/a

r ≥ (50.28 m/s)²/0.569 m/s²

r ≥ 2528.0784 m²/s²/0.569 m/s²

r ≥ 4443.02 m

r ≥ 4.44 km

So, the the smallest radius of curvature for the track that the train can tolerate is 4.44 km

Using the equation for centripetal acceleration, we find the radius of the circle the train can tolerate.

So, centripetal acceleration a = v²/r where

Making v subject of the formula, we have

v = √ar

Given that there is a curve of radius 1.100 km and its acceleration must not exceed 0.058g, we have that

So, substituting the values of the variables into the equation for r,we have

v = √ar

v = √(0.569 m/s² × 1100 m)

v = √(625.9 m²/s²)

v = 25.02 m/s

v ≅ 25 m/s

So, the speed must the train mantain to keep the acceleration at the limit is 25 m/s

Learn more about speed of train here:

https://brainly.com/question/28392803

#SPJ1

A wave has a frequency of 511 Hz and a wavelength of 2.81 m, so the speed of the wave is 1437.91 m/s, which is calculated by the formula speed (v) = frequency (f) × wavelength (λ)

The speed of a wave is given by the formula below,

speed (v) = frequency (f) × wavelength (λ)

Putting the given values in formula, one can get,

f = 511 Hz

λ = 2.81 m

v = f *×λ

v = 511 Hz ×2.81 m

v = 1437.91 m/s

Hence, A wave has a frequency of 511 Hz and a wavelength of 2.81 m, so the speed of the wave is 1437.91 m/s.

Learn more about the calculation for speed here.

https://brainly.com/question/15761014

#SPJ1

The statement is true regarding the dimensions of wellness is the dimensions wellness are connected and interrelated to one another (option -D).​

Seven dimensions are frequently used to describe wellness. Our own sense of wellness or quality of life is influenced and overlapped by each dimension, which also contributes to it. One dimension may occasionally be more prominent than others, but ignoring any one dimension for an extended period of time has negative effects on general health.

This covers both diet and exercise as well as lifestyle decisions like giving up tobacco and alcohol, scheduling routine doctor visits, and scheduling your activities so as to reduce unneeded physical stress. Getting enough sleep at night and engaging in safe sexual practices are additional ways to enhance your physical wellness.

To know more about dimensions of wellness visit:

https://brainly.com/question/29529004

#SPJ1

The water pressure at the base is 98,000 Pa, and the force exerted at the base of the tank is 2,768,460 N.

To find the water pressure at the base of the tank, take the formula:

Pressure = density × gravity × height

In which

Density = density of water (1000 kg/m³)

Gravity = acceleration due to gravity (9.8 m/s²)

Height = height of the column

According to question:

Height of the water column = 10 m

Take the formula:

P = 1000 kg/m³ × 9.8 m/s² × 10 m

= 98,000 Pa

To find the force at the base of the tank, take the formula:

Force = Pressure × Area

In which

Pressure = pressure at the base of the tank

Area = base area of the tank

The base area of a cylindrical tank can be found by the formula:

Area = π × r²

In which:

Diameter of the tank = 6 m

To find the radius, divide the diameter by 2:

Radius = 6 m ÷ 2

= 3 m

Put the values into the formula:

Area = π × (3 m)²

= 28.27 m²

Now, find the force:

Force = 98,000 Pa × 28.27 m²

= 2,768,460 N

Thus, the water pressure at the base is 98,000 Pa, and the force exerted at the base of the tank is 2,768,460 N.

Learn more about water pressure, here:

https://brainly.com/question/32422833

#SPJ1

Answer: Did you ever find the answer I’m on the same question

Explanation:

Answer:

B

Explanation:

i did it and got it wrong and it told me it was B

One notable athlete who has been associated with the use of performance-enhancing drugs (PEDs) is the American professional cyclist Lance Armstrong.

Armstrong gained worldwide recognition for his unprecedented seven consecutive victories in the Tour de France from 1999 to 2005. However, his remarkable achievements were tarnished when it was revealed that he had engaged in systematic doping throughout his career.

In 2012, after years of denial, Armstrong finally admitted to using banned substances, including erythropoietin (EPO), testosterone, corticosteroids, and blood transfusions, to enhance his performance. These substances boosted his endurance and oxygen-carrying capacity, providing him with an unfair advantage over his competitors. Armstrong's confession came after substantial evidence, including testimonies from teammates and extensive investigations, exposed his involvement in one of the most elaborate and sophisticated doping schemes in sports history.

Following his admission, Armstrong was stripped of his Tour de France titles and received a lifetime ban from professional cycling. The revelations surrounding his drug use had a profound impact on the sport, shaking its credibility and raising concerns about the prevalence of doping in cycling.

Armstrong's story serves as a cautionary tale, highlighting the ethical and moral dilemmas associated with doping in sports. His case underscores the importance of maintaining the integrity of athletic competition, the significance of stringent anti-doping measures, and the need for education and awareness regarding the risks and consequences of performance-enhancing substances.

For similar questions on PEDs:

https://brainly.com/question/16919004

#SPJ8

a) Electric field strength is 1 N/C ; b) Acceleration of the sphere is 6.67 m/s² ;  c) It takes the sphere approximately 0.299 seconds to travel 0.1 meters.

Quantitative expression of the intensity of electric field at particular location is known as  electric field strength.

a) as F = qE

F is force experienced by the charged sphere, q is charge on the sphere, and E is electric field strength.

2 N = (2 C)(E)

E = 1 N/C

Therefore, electric field strength is 1 N/C.

b)  As F = ma

F is force experienced by the charged sphere, m is mass of the sphere, and a is the acceleration.

2 N = (0.300 kg)(a)

a = 6.67 m/s²

Therefore, acceleration of the sphere is 6.67 m/s².

c) d = (1/2)at²

d : distance, a :acceleration, t : time.

0.1 m = (1/2)(6.67 m/s²)(t²)

t = 0.299 s

Therefore, it takes the sphere approximately 0.299 seconds to travel 0.1 meters.

To know more about electric field strength, refer

https://brainly.com/question/1592046

#SPJ1

Answer:

I think it's A

Explanation:

It's definitely not B on edge

The correct option for the given question about Einstein's general

theory of relativity is Option A) Mars, Venus, Uranus, Neptune.

As a Conclusion, we can state that the planets who would cause curvature in space time from the least amount of curvature to the greatest will be in order Mars, Venus, Uranus, Neptune.

Learn more about Einstein's general theory of relativity here:

https://brainly.com/question/13311063

#SPJ2

________

= 310 - 273

= 37°C

Actually,310 Kelvin is same with 37°C, and as you see, there is no 37°C

So, The Nearest Number To 37°C is 36,9°C

Answer:

36.9

Explanation:

Plato

Answer:the answer is C aluminum foil

Explanation: