If the compass direction of a resultant vector is reported as 27 degrees south
of west, what is the global angle of the vector?

Answer:

The combined gas law states that the pressure of a gas is inversely related to the volume and directly related to the temperature. If temperature is held constant, the equation is reduced to Boyle's law. Therefore, if you decrease the pressure of a fixed amount of gas, its volume will increase.

Explanation:

Hope this helps

Answer:

2 minutes 20 seconds

Q. Seismic station A is 5000 kilometers from the epicenter. What is the difference between the arrival time of the first P-wave and the arrival time of the first S-wave recorded at this station? answer choices 2 minutes 20 second

Explanation:

Answer:

The Artemis program is a U.S. government-funded international human spaceflight program that has the goal of landing the first woman and the next man on the Moon, specifically at the lunar south pole region, by 2024.

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Most of the elements with nuclei heavier than those of hydrogen and helium are formed through nuclear fusion in stars.

This process occurs when the extreme temperatures and pressures at the core of a star cause the nuclei of lighter elements to combine and form heavier elements. For example, the fusion of hydrogen nuclei produces helium, and the fusion of helium nuclei produces carbon, nitrogen, and oxygen.

The fusion of heavier elements requires even higher temperatures and pressures, which are only found in the cores of more massive stars. This process continues until the heaviest elements are formed, such as gold and uranium.

While nuclear fission in supernovas can also contribute to the formation of heavy elements, it is the process of nuclear fusion in stars that is primarily responsible for the creation of most of the elements in the universe.

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When the police car is approaching the observer, the frequency of the siren heard by the observer is higher than the actual frequency due to the Doppler effect. Using the formula for Doppler effect, we can calculate the new frequency:
f' = f (v + v_obs) / (v + v_sound)

Where:
f = actual frequency of the siren (750 Hz)
v = velocity of the police car (32.0 m/s)
v_obs = velocity of the observer (0 m/s)
v_sound = velocity of sound through air (343 m/s)
Plugging in the values, we get:
f' = 750 (32.0 + 0) / (32.0 + 343)
f' = 750 (32.0 / 375)
f' = 64 Hz
Therefore, the frequency from the perspective of the observer when the police car is approaching is 64 Hz.

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A projectile is launched at an angle of 33⁰ above the horizontal, then the projectile launched at an angle of 90 - 33 = 57⁰ will have the same range as the projectile launched at 33⁰. The correct option is (B) 57⁰.

In the absence of air resistance, a projectile launched at an angle of 33 above the horizontal will have the same range as a projectile launched at an angle of 57⁰.

The range of a projectile can be determined by using the range formula.

R = ((v^2 * sin(2θ))/g) Where

R is the range of the projectile,

v is the velocity of the projectile,

θ is the angle at which the projectile is launched, and

g is the acceleration due to gravity.

In the absence of air resistance,

the horizontal component of velocity of a projectile remains constant throughout the flight.

So, the range of a projectile depends only on its initial velocity and the angle at which it is launched.

If a projectile is launched at an angle θ,

the time of flight of the projectile can be calculated by using the following formula:

T = (2v * sin(θ))/g

The maximum height reached by the projectile is given by the formula:

H = (v^2 * sin^2(θ))/2gIf a projectile is launched at an angle θ, then the range of the projectile will be the same as the range of the projectile launched at an angle of (90 - θ).

So, if a projectile is launched at an angle of 33⁰ above the horizontal, then the projectile launched at an angle of 90 - 33 = 57⁰ will have the same range as the projectile launched at 33⁰.

Therefore, the correct option is (B) 57⁰.

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Answer:

Acceleration (a) = 6 m/s²

Total distance travel by car(s) = 75 meter

Explanation:

Given:

Initial velocity (u) = 0

Final velocity (v) = 30 m/s

Time (t) = 5 sec

Find:

Total distance travel by car(s) = ?

Acceleration (a) = ?

​Computation:

v = u +at

30 = 0 + a(5)

30 = a(5)

Acceleration (a) = 6 m/s²

Total distance travel by car(s) = ut +1/2(a)(t)²

Total distance travel by car(s) = 1/2(a)(t)²

Total distance travel by car(s) = (0.5)(6)(5)²

Total distance travel by car(s) = 75 meter

The observed frequency will be greater than the source’s frequency (option - B) is correct answer.

If the source and observer are moving simultaneously in either case—moving observer or moving source—you'll notice that the frequency increases. The frequency decreases if they are drifting apart. Whether the source is moving or the observer is moving will affect how much the frequency changes.

Although the waves move at the same speed, the frequency that is observed is affected by any relative movement between the source and the observer. The wavelength changes along with the observed frequency. When an observer and a source are moving in the same direction, the frequency rises and the wavelength falls.

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Answer:Its empty car, small child, and then adult.

Explanation:

i took it

Answer:

Its empty car, small child, and then adult.

For an electron in the N shell, the maximum value of the orbital angular momentum (L) in any chosen direction (z) is given by the formula: Lz, max = ℓℏ where ℓ is the maximum value of the azimuthal quantum number for the N shell, which is n-1.

1. The principal quantum number (n) determines the energy level and corresponds to the shell number. In this case, n = N.
2. The azimuthal quantum number (l) determines the shape of the orbital and ranges from 0 to n - 1. For the maximum orbital angular momentum, we should choose the largest value of l, which is l = N - 1.
3. The magnetic quantum number (m_l) determines the orientation of the orbital in space and ranges from -l to +l.
The largest orbital angular momentum (Lz, max) occurs when m_l = l, which is equal to N - 1. Therefore, Lz, max = (N - 1) ℏ.

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Both caesium-137 and iodine-131 emit ionizing radiation, which can damage living tissue and increase the risk of cancer.

Isotopes are members of the same element's family but have variable numbers of neutrons despite having the same number of protons.

Iodine-131 and caesium-137 both produce ionizing radiation, which can harm living things and raise the risk of cancer.

Due to their varied half-lives and processes of decay, each isotope's danger has changed between 1986 and 2018 despite this.

Caesium-137 degrades gradually over time since it has a longer half-life of roughly 30 years. Iodine-131, on the other hand, degrades swiftly because of its significantly lower half-life of only around 8 days.

Thus, the risk has diminished over time as a result of radioactive decay.

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The properties that define a mineral include being a naturally occurring solid with a definite crystalline structure and a definite chemical composition.

Therefore, the correct options are:

Naturally occurring means that the mineral is formed by natural processes, rather than being artificially created. Being a solid means that the mineral has a fixed shape and volume, and is not a liquid or gas. The crystalline structure of a mineral refers to the specific arrangement of atoms or molecules that make up its crystal lattice. Finally, the definite chemical composition of a mineral means that it has a specific set of chemical elements in a fixed proportion, which gives it distinct physical and chemical properties.

Overall, these properties help to distinguish minerals from other types of materials and allow them to be identified and studied based on their unique characteristics.

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The power of the lens is 2 diopter means that this lens has a focal length of 1/2 meter.

The focal length = 1 ÷ ( the number of diopters)

If one's glass prescription shows that the power of the lens is 2 diopter it means that the person is far-sighted. It means if a person needs to see something which is quite distant then his eyes need extra lens power to focus on it. Moreover, if there's a sign convention it means '+' indicates a convex lens and '-' concave lens. Also in-camera close up lens are also measured in terms of diopter.

I hope this answer helps.

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Explanation:

R = \(\sqrt{(12.0)^{2} + (9.00)^{2}}\) = 15 UNIDADES

Answer: The width of bands will be 2λ

Explanation: Please see the attachments below

Therefore, the value of the sinusoidal angular frequency is 0.71.

Given the characteristic equation: s² + 3s + 5 = 0 for v(t),

we need to find the value of the sinusoidal angular frequency in the underdamped expression:

v(t) = e-αt[A cos(ωt) + B sin(ωt)] .

We can begin by finding the roots of the characteristic equation. Here, a = 1, b = 3, and c = 5.

Substituting these values into the quadratic formula,

s = [-b ± √(b² - 4ac)]/2a

where √(b² - 4ac) = √(3² - 4(1)(5)) = √(-11) = i√11

Therefore, the roots of the characteristic equation are:

s1 = (-3 + i√11)/2 and s2 = (-3 - i√11)/2

Since the characteristic equation has complex roots, the general solution for v(t) is:

v(t) = e-αt[C1 cos(βt) + C2 sin(βt)]

where α = 3/2 (damping coefficient) and β = √(11)/2 (undamped angular frequency).

To obtain the underdamped expression, we need to use the fact that α < β (underdamped).

So, let's rewrite the general solution as:

v(t) = e-αt[A cos(ωt) + B sin(ωt)], where ω = √(β² - α²) is the sinusoidal angular frequency.

Substituting the given values,ω = √[(√11/2)² - (3/2)²]ω = √[11/4 - 9/4]ω = √2/2 = 0.71 (to two decimal places)

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The speed of sound in air at standard temperature and pressure (STP) is roughly 344 meters per second (1,129 feet per second), or roughly 1,236 kilometers per hour.

Sound is a pressure wave that travels through a medium and propagates through that medium as a wave. When a sound wave passes through a medium, it causes molecules in that medium to vibrate, which produces a pressure wave. The speed of sound in air at standard temperature and pressure (STP) is roughly 344 meters per second (1,129 feet per second), or roughly 1,236 kilometers per hour (768 miles per hour).The wavelength of a sound wave is defined as the distance between corresponding points on two adjacent waves. In other words, it is the distance from one crest (peak) of a wave to the next crest or from one trough (low point) to the next trough. The symbol λ (lambda) represents the wavelength. Wavelength is usually measured in meters. The human hearing range is approximately 20 Hz to 20,000 Hz. When 20 Hz is the frequency of the sound wave, the wavelength is found as follows:λ = v/fλ = 344/20λ = 17.2 mTherefore, the wavelength of sound corresponding to 20 Hz is 17.2 meters.

The wavelength of sound can be calculated by dividing the speed of sound by the frequency of the sound wave. The human hearing range is approximately 20 Hz to 20,000 Hz. When 20 Hz is the frequency of the sound wave, the wavelength is 17.2 meters.

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Answer:

True

Explanation:

mass, length, time, electric current, temperature, luminous intensity and amount of substance

Answer:

The train's acceleration is 4.5 m/s²

Explanation:

The train's speed increased by 45 m/s after 10 seconds, which means that it's speed increased by 4.5 m/s each second, or rather 4.5m/s²

Hey there! Here's your answer:

10 km

Here's why:

The bus's displacement has two components, a number of km and the direction of the final position from the initial position.

The bus's displacement is the hypotenuse of the triangle, 10 km southeast of the initial position.

But southeast is only a rough estimate of the direction.

The tangent of the angle is 6/8 or .75, so the amount of angle to the east of south is 37 degrees.

South (180 degrees) minus 37 degrees is 143 degrees.

The car’s displacement is more accurately called 10 km in a direction of 143 degrees from the initial point.

Have a good day!

To find the magnitude of the velocity vector v⃗ cr of the canoe relative to the river, we need to consider the velocities of the canoe and the river separately and then subtract the vector of the river's velocity from the vector of the canoe's velocity.

Let's assume v⃗ c represents the velocity of the canoe and v⃗ r represents the velocity of the river.

The magnitude of the velocity vector v⃗ cr can be calculated using the Pythagorean theorem:

|v⃗ cr| = sqrt((v⃗ c)^2 + (v⃗ r)^2)

It's important to note that the magnitude of the velocity vector represents the speed or the magnitude of the velocity without considering its direction.

If you provide the magnitudes of v⃗ c and v⃗ r, I can help you calculate the magnitude of v⃗ cr.

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Answer:

B- unicellular I believe I don't know

Answer:

B Unicellular

Explanation:

Galaxies farther away from us exhibit higher rates of motion compared to nearby galaxies.

This phenomenon is known as the cosmological redshift and is attributed to the expansion of the universe. According to Hubble's Law, the recessional velocity (v) of a galaxy is proportional to its distance (d) from us: v = H₀ × d, where H₀ is the Hubble constant.

As space itself expands, it carries galaxies along with it, causing their wavelengths to stretch and shift towards longer (red) wavelengths. This shift is observed as a redshift in the light emitted by distant galaxies.

Thus, by measuring the redshift of galaxies, astronomers can determine their recessional velocities and infer their distances from us. The greater the distance, the faster the apparent motion due to the expanding universe.

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Answer:

F=ma

3.07=1.35(a)

3.07/1.35 = a

a=2.27m/s^2

Explanation:

Since the question gives us both the force and mass of the object we can use the f= ma equation and just plug in both the force and mass and just solve for acceleration. I believe the degree listed in the question is just there to throw you off.

a. The expression for the radians swept from the East side is (π/2 - 3.5t). b. The expression for the skier's distance to the East is 1.5*cos(π/2 - 3.5t) km. c. The expression for the skier's distance to the North is 1.5*sin(π/2 - 3.5t) km.

Explanation:

a. To represent the number of radians that would need to be swept out from the East side of the ski trail to reach the skier's current position, we need to account for her starting at the northernmost point and traveling counterclockwise. At the northernmost point, she is π/2 radians from the East side.

Therefore, the expression for the radians swept from the East side is (π/2 - 3.5t).

b. To find the skier's distance to the East of the ski trail, we can use the formula for the horizontal component of the position on a circle: x = r*cos(θ). The radius (r) is 1.5 km, and the angle (θ) is (π/2 - 3.5t). Therefore, the expression for the skier's distance to the East is 1.5*cos(π/2 - 3.5t) km.

c. To find the skier's distance to the North of the ski trail, we can use the formula for the vertical component of the position on a circle: y = r*sin(θ). The radius (r) is 1.5 km, and the angle (θ) is (π/2 - 3.5t). Therefore, the expression for the skier's distance to the North is 1.5*sin(π/2 - 3.5t) km.

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The weight of the block on the moon is calculated as 12.47 N.

To find the weight of the block on the moon, we need to first determine its mass. We can do this using the formula F = ma, where F is the force applied, m is the mass of the block, and a is the acceleration.

Given, on the Earth, block accelerates at 2.40 m/s2 when 18.5 N horizontal force is applied. So,

18.5 N = m x 2.40 m/s2

Solving for m, we get:

m = 7.71 kg

Now that we know the mass of the block, we can use the formula for weight:

On the moon, as the acceleration due to gravity is 1.62 m/s2, so

So, weight = 7.71 kg x 1.62 m/s2

Weight = 12.47 N

Therefore, the weight of the block on the moon is 12.47 N.

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Answer:

A liquid becomes a gas.

Explanation:

I hope this helps a bit.

As can be shown, mass has no bearing on an object's centripetal acceleration; as a result, the centripetal acceleration is unaffected by changes in mass.

The rate at which velocity changes is known as acceleration. Acceleration typically indicates that the speed was changing, but not necessarily. An item that is moving in a circle while maintaining a constant speed is still accelerating because of direction of its motion is shifting.

An object's velocity may alter depending on whether it is moving faster, slower, or in a different direction. A falling apple, the sun orbiting the earth, or a car stopped at a stop sign are a few instances of acceleration.

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