if the temperature is 178°f, what is the temperature in degrees celsius? a) 352°c b) 451°c c) 67°c d) 81.1°c e) 378°c

Answer:

d is the correct answer

Explanation:i did this math

The ratio of the speeds of sound in the two liquids (Va/Vb) is 2√2.

The speed of sound in a medium is determined by the square root of the ratio of the bulk modulus (K) to the density (ρ) of the medium.

The ratio of the speeds of sound in the two liquids (Va/Vb) can be calculated using the given information:

Va/Vb = √(Ka/Kb * ρb/ρa)

Given that the bulk modulus of liquid A (Ka) is twice that of liquid B (Kb), and the density of liquid A (ρa) is one half of the density of liquid B (ρb), we can substitute these values into the equation:

Va/Vb = √(2 * ρb / (1/2 * ρa))

Simplifying further:

Va/Vb = √(4 * ρb / ρa)

Since the ratio of the densities is ρb/ρa = 2, we have:

Va/Vb = √(4 * 2) = √8 = 2√2

Therefore, the ratio of the speeds of sound in the two liquids (Va/Vb) is 2√2.

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Answer:

skier

Explanation:

i took the test

Answer:

Mechanical Advantage of car jack is 20

(C) Significantly increase sample size  the pollsters adjust the sample size to keep the same SE

Why do we do sampling?

We do sampling so that we don't have to work on entire population of items but only on that sample in a way that we can predict information about population.

Most of the times, it isn't possible in real world to work on entire populations. Samples come out for rescue by assumptions that they will have some properties of the population pertained in them.

Thus, the best option here is Option c. Significantly increases sample size

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The first wave that forms when the wind begins to blow across the ocean surface is a capillary wave

The capillary waves represent the initial state of a wave that are produced by vortices in a flat sea. When the winds blow over an ocean, energy is transferred from the wind to the sea. and that produced the waves. They are also presented as ripples.

The capillary waves have a wavelength less than 1.7 cm or 0.68 inches and its speed of 0.2 to 0.3 meter per second.

It is a wave that is travelling along the interface boundary of a fluid and it is influenced by the effect of surface tension and the gravity.

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Answer:

the ground when the ball hits it

Explanation:

A ball falls freely towards the Earth. If the action force is the Earth pulling down on the ball, then identify which of the following best describe the reaction force:

Answer:

65meters

Explanation:

Given data

velocity= 10m/s

time= 6.5seconds

Applying the expression

velocity= distance/time

substitute

10=distance/6.5

distance= 10*6.5

distance= 65meters

Hence the displacement is 65meters

Answer:

Explanation:

Mass / Weight Converter Definitions. Ounce Avoir. An avoirdupois ounce is equal to 28.349523125 grams. The ounce is commonly used as a unit of mass in the United States and around the World. Ounce Troy. A troy ounce (abbreviation: t oz) is equal to 31.1034768 grams.

Answer:

74.84717

Explanation:

A) Minimum recommended spiral parameter: 150.03m.

b) Distance P: 150.03m.

c) Distance Q: 4.122m.

d) Angle Φs: 16°30'14.0".

e) Distance Tc: 150.03m.

a) Calculation for the minimum recommended spiral parameter:

Design radius (R) = 300 m

Maximum superelevation (e_max) = 0.06 m/m

Spiral Parameter (A) = (R + e_max) / 2

A = (300 m + 0.06 m/m) / 2

A ≈ 150.03 m

b) Calculation for the distance P:

Distance P is equal to the length of the first spiral curve, which is the same as the minimum recommended spiral parameter.

P ≈ 150.03 m

c) Calculation for the distance Q:

Distance Q represents the length of the circular curve. It is given by the formula:

Q = (Deflection angle at Point of Intersection) / (Degree of Curve, D)

Deflection angle at Point of Intersection = 16°30'14.0"

Converting the angle to decimal degrees:

16° + (30'/60) + (14.0"/3600) = 16.504°

Q = 16.504° / (360° / D)

Q ≈ D / 21.814

Since the RAU80 has 4 lanes, the degree of curve (D) is 360° / 4 = 90°.

Q ≈ 90° / 21.814

Q ≈ 4.122 m

d) Calculation for the angle Φs:

The angle Φs is the deflection angle at the Point of Intersection.

Φs = 16°30'14.0"

e) Calculation for the distance Tc:

Distance Tc is equal to the length of the second spiral curve, which is the same as the minimum recommended spiral parameter.

Tc ≈ 150.03 m

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To find the equivalent capacitance of the combination, we can use the formula for capacitance in a series circuit and a parallel circuit.

let's find the capacitance of the two capacitors C2 and C3 in parallel. The capacitance in parallel is given by:

C23 = C2 + C3 = 5.00 µF + 4.00 µF = 9.00 µF

Next, let's find the capacitance of the capacitors C1 and C23 in series. The capacitance in series is given by:

1/C123 = 1/C1 + 1/C23

Substituting the values, we get:

1/C123 = 1/15.0 µF + 1/9.00 µF

Simplifying, we get:

1/C123 = (3/45 + 5/45) µF^-1 = 8/45 µF^-1

Therefore, the capacitance of the combination is:

C123 = 45/8 µF = 5.625 µF

So the equivalent capacitance of the combination is 5.625 µF.

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The term you are looking for is "chemical battery". Chemical batteries work by converting chemical energy into electrical energy through a series of chemical reactions. These reactions take place within the battery's cells, which are composed of two electrodes and an electrolyte.

When the battery is connected to a circuit, the chemical reactions produce an electrical current that can be used to power devices. Chemical batteries are widely used in many applications, including consumer electronics, electric vehicles, and renewable energy systems. They are a crucial component of our modern technological society, and ongoing research is focused on developing more efficient and sustainable battery technologies to meet growing energy demands.

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The rocks of the Appalachian Blue Ridge are dominated by metamorphic rocks, specifically the type known as gneiss. Gneiss is a type of metamorphic rock that is formed when preexisting rocks, such as granite, shale, or volcanic rock, are subjected to high temperatures and pressures over a long period of time.

The resulting gneiss has a banded texture, with alternating light and dark layers that reflect the different minerals that were present in the original rock. Gneiss is a common rock type in the Appalachian Mountains, which was formed by the collision of tectonic plates over 300 million years ago. The Blue Ridge region, in particular, is characterized by a series of ridges and valleys that are sculpted from the resistant gneiss formations.

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Answer:

450 ML

Explanation:

Given:

Volume of gas sample: 550 mL Pressure: 1.8 atm plus 2.2 atm

To find:

The new volume of the gas after the pressure increases to 2.2 atm.

___

steps

⇒ \(V_1P_1=V_2P_2\)

⇒ \((550\text{ml})(1.8\text{atm})\)

⇒ \(=(x)(2.2\text{atm})\)

⇒ \(x=\frac{(550)(1.8)}{2.2}\)

⇒ \(x=450\text{ml}\)

Answer:

V₂ = 450 mL

Explanation:

Because you are dealing solely with pressure and volume, you can use Boyle's Law to find the missing value. The equation looks like this:

P₁V₁ = P₂V₂

In this formula, "P₁" and "V₁" represent the initial pressure and volume. "P₂" and "V₂" represent the final pressure and volume. You have been given values for all of the variables except for "V₂". Thus, you can substitute the given values into the equation and simplify to find the answer. The final answer should have 2 sig figs to match the given values.

P₁ = 1.8 atm                      V₁ = 550 mL

P₂ = 2.2 atm                     V₂ = ?

P₁V₁ = P₂V₂                                               <----- Boyle's Law equation

(1.8 atm)(550 mL) = (2.2 atm)V₂              <----- Plug given values in

990 = (2.2 atm)V₂                                    <----- Multiply 1.8 and 550

450 = V₂                                                  <----- Divide both sides by 2.2

Answer:

The West is known for "wide, open spaces", cattle, mines, and mountains.

When you push a pencil off your desk, the energy transformation that takes place is that potential energy transforms into kinetic energy.

The correct answer to the given question is option C.

Potential energy is the energy stored within an object because of its position or configuration.

In this scenario, the pencil has potential energy because of its elevated position on the desk. When the pencil is pushed off the desk, it begins to move, which means that it has kinetic energy. Kinetic energy is the energy of motion.

As the pencil falls off the desk, its potential energy is transformed into kinetic energy, which is the energy that results from its motion. The faster the pencil falls, the greater its kinetic energy will be because kinetic energy is directly proportional to the square of an object's velocity.

Therefore, when you push a pencil off your desk, the potential energy that it has because of its elevated position is transformed into kinetic energy as it falls towards the ground.

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Answer: The whole of it was owned originally by the lord of the manor. He lived in the big house called the manor house. Attached to it were many acres of grassland and woodlands called the park. These were the "demesne lands" which were for the personal use of the lord of the manor.

The lord of the manor previously owned the entire property. He resided in the substantial home known as the manor house.

Thus, The park, which covered many acres of grassland and trees, was connected to it. These "demesne lands" belonged to the lord of the manor and were used exclusively for his exclusive purposes.

The word "manor" is derived from the Old French word "manoir," which means "dwelling place," but a manor isn't just any old house.

The homes and grounds of the nobility were referred to as manors back when people still had titles of nobility. expressing to someone that his home is a manor is the equivalent of expressing that it is so lavish and beautiful that it could have belonged to a lord.

Thus, The lord of the manor previously owned the entire property. He resided in the substantial home known as the manor house.

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When an electron transitions from an orbit with radius 1.325 nm to one with radius 0.212 nm in the hydrogen atom, it emits light with a wavelength of 121.6 nm.

In Bohr's model of the hydrogen atom, the energy of an electron in a particular orbit is given by:

\(E = (-13.6 eV) / n^2\)

where n is the principal quantum number of the orbit.

When an electron transitions from an orbit with initial radius r1 and final radius r2, the energy of the emitted photon is given by:

ΔE = \(E2 - E1 = (-13.6 eV) * [(1/n2^2) - (1/n1^2)]\)

where E2 is the final energy level of the electron, E1 is the initial energy level, n1 is the initial quantum number, and n2 is the final quantum number.

To find the wavelength of the emitted light, we can use the formula:

λ = c / ν

where λ is the wavelength, c is the speed of light, and ν is the frequency of the emitted light.

The frequency of the emitted light can be found using Planck's constant, h:

ΔE = hν

Putting it all together, we get:

ΔE = \((-13.6 eV) * [(1/2^2) - (1/3^2)] = 1.89 eV\)

hν = 1.89 eV

ν = (1.89 eV) / h

λ = c / ν = \((3.00 * 10^8 m/s) / [(1.89 eV) / h]\)

We can convert eV to joules:

\(1 eV = 1.6 * 10^{-19} J\\1.89 eV = 3.04 * 10^{-19} J\)

Substituting the values, we get:

λ = \((3.00 * 10^8 m/s) / [(3.04 * 10^{-19} J) / (6.626 * 10^{-34} J*s)]\)

λ = 121.6 nm

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Discharge capacity of the given pipe is 12.57 m³/s.

The formula to calculate the discharge capacity of the pipe is given by;

Q = (C×π×d²/4)×(2gh)³

Here,

Q = Discharge capacity of the pipe

C = Hazen-Williams coefficient

π = 22/7

d = Diameter of the pipe

h = Head loss

g = Acceleration due to gravity (g = 9.81 m/s²)

We know that, the cross-sectional area of the pipe can be calculated by using the formula;

A = πd²/4

As the pipe is half full,

A = πd²/8

Also, the velocity of the flow in the pipe can be determined using the formula;

v = (2gh)^(1/2)

Putting the values in the formula, we get;

Q = C×A×vQ

= 130 × (πd²/8) × [(2gh)^(1/2)]Q

= 130 × (π/8) × (0.325 m)² × [(2 × 9.81 m/s² × 2.54 m)^(1/2)]Q

= 2.506 × (2 × 9.81 × 2.54)^(1/2) m³/sQ

= 2.506 × 5.018 m³/sQ

= 12.57 m³/s

Therefore, the discharge capacity of the given pipe is 12.57 m³/s.

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Answer:

House and Senate.

Explanation:

declares war, regulates interstate and foreign commerce and controls taxing and spending policies.

Answer:

initial velocity = 0 m/s

final velocity = 4.92 m/s

constant acceleration so,

(a) average velocity =

(initial velocity + final velocity)/2

(b) distance = average velocity x time

substitute and calculate

Explanation:

HOOE ITS HELP ;)

The initial  velocity is zero. and the acceleration is constant. Thus the average velocity of the boat is 4.12 m/s. The boat will cover a distance of 19.6 m within 4.77 s.

Acceleration is a physical quantity that, measures the rate of change in velocity. It is a vector quantity thus having both magnitude and direction. It can be defines as the ratio of change in velocity to the change in time.

If the acceleration is constant, then the magnitude of velocity is constant.

Given initial velocity = 0 since the boat was in rest.

then the average speed of the boat = 4.12 m/s

Δt = 4.77 seconds.

The distance covered within this time can be determined using the equation as follows:

s = speed × time.

s =  4.12 m/s × 4.77 s = 19.6 m

Therefore, the boat will travel up to 19.6 m within 4.77 seconds.

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Answer:

a piece of equipment with moving parts that does work when it is given power from electricity, gasoline, etc.

Explanation:

Have A Wonderful Day !!

Answer:

4500

Explanation:

Formula: power x time

300 x 15 = 4500

Answer:

Vf = 34.3 m/s

1st equation of motion was used to solve.

Explanation:

In order to find the final speed of the cow, when it hits the bushes, we can use first equation of motion:

Vf = Vi + gt

where,

Vf = Final Velocity of Cow = ?

Vi = Initial Velocity of Cow = 0 m/s

g = acceleration due to gravity = 9.8 m/s²

t = time taken = 3.5 s

Therefore,

Vf = 0 m/s + (9.8 m/s²)(3.5 s)

Vf = 34.3 m/s

1st equation of motion was used to solve.

frequency = velocity divided by wavelength

Ultraviolet (UV) radiation lies between wavelengths of about 400 nanometres and 10 nanometres, corresponding to frequencies of 7.5 × 1014 Hz to 3 × 1016 Hz.

Physical separation of a cup of red Kool-Aid into its component parts will not change the beverage's composition. An homogenous mixture would be the proper classification.

By adding sugar and Kool-Aid to water, a solution is produced, which is a mixture in which two or more ingredients are well combined. In this instance, the sugar and Kool-Aid are the solutes that have been dissolved in the liquid water, the solvent.

Mixture with heterogeneity: The mixture is heterogeneous, comprises two or more phases, and its composition is not uniform. It is physically possible to separate it. Sodium chloride and sand, for instance.

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Answer:

0.8

Explanation:

Cosine is the adjacent over the hypotenuse. Using this we can solve.

cosC = A / H = 16 / 20 = 4 / 5 = 0.8