Hi sweeties.. I want 5 solving questions about (Fluid Pressure and Temperature) and (Archimedes' Principle) may u help me?!​

You can't. Velocity and acceleration measure two different things, so their units are incompatible. It's like asking, "How many meters does this book weigh?"

Maybe you mean "find" acceleration using given velocities, or a velocity function?

option C, which states that the driving frequency is lower than the resonance frequency. In a driven RLC circuit, the voltage across each component is affected by the frequency of the driving source. At the resonance frequency, the circuit exhibits a maximum response.

In this scenario, we are given the values of Vc, Vr, and Vl, and we need to determine the driving frequency.

To solve this problem, we need to compare the values of Vc, Vr, and Vl to each other. Since Vl is greater than Vr and Vc, it indicates that the circuit is predominantly inductive. This means that the impedance of the circuit increases with frequency.

Therefore, the driving frequency must be lower than the resonance frequency to create an inductive response. So, the correct answer is option C, which states that the driving frequency is lower than the resonance frequency.

In summary, by analyzing the voltages across the components of the circuit, we can determine the type of response and the frequency of the driving source. The RLC circuit's response is dependent on the impedance of the components, which changes with frequency, and this response can be used in various applications, including filtering and tuning circuits.

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Explanation:

Given that,

A shopper walks Eastward 3.2 meters and then westward 7.2 meters.

Let East is positive direction and west is negative direction.

Initially, he walks +3.2 m and finally, he walks (-7.2 m)

Distance = 3.2 m + 7.2 m = 10.4 m

Displacement = final position - initial position

= -7.2-3.2

=-10.4 m

The negative sign shows west direction. It means that direction of shopper is due west.

the answer for 0.429m to mm is 429

Answer:

0.429m=429 mm

Explanation:

Since there are 1,000 millimeters per meter, you need to multiply by 1,000 to convert from meters to millimeters.

Answer:

I think its A

Explanation:

The acceleration of the wagon along the ground is 3.6 m/s².

To solve the problem above, we need to use the formula of acceleration as related to force and mass.

Acceleration: This can be defined as the rate of change of velocity.

⇒ Formula:

⇒ Where:

⇒ make a the subject of equation 1

From the question,

⇒ Given:

⇒ Substitute these values into equation 2

Hence, The acceleration of the wagon along the ground is 3.6 m/s²

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Answer: 3.60 m/s^2

Explanation:

QUESTION-

What is the acceleration along the ground of a 10 kg wagon when it is pulled with a force of 44 N at an angle of 35° above the horizontal?

ANSWER

3.60 m/s^2 = 3.6 m/s^2

Let v be the billiard ball's initial speed. The total momentum of the ball-marble system is conserved between the times before and after their collision, so that

(1 kg) v + (0.1 kg) (0 m/s) = (1 kg) (0.3 m/s) + (0.1 kg) (3 m/s)

Solve for v :

v + 0 = 0.3 m/s + 0.3 m/s

v = 0.6 m/s

Answer:

There are \(9.537\times 10^{-23}\) kilograms of radioactive material after 300 seconds.

Explanation:

From Physics we know that radioactive materials decay at exponential rate, whose differential equation is:

\(\frac{dm}{dt} = -\lambda\cdot m\) (1)

Where:

\(\frac{dm}{dt}\) - Rate of change of the mass of the radioactive material, measured in kilograms per second.

\(m\) - Current mass of the radioactive material, measured in kilograms.

\(\lambda\) - Decay constant, measured in \(\frac{1}{s}\).

The solution of the differential equation is:

\(m(t) = m_{o}\cdot e^{-\lambda\cdot t}\) (2)

Where:

\(m_{o}\) - Initial mass of the radioactive material, measured in kilograms.

\(t\) - Time, measured in seconds.

If we know that \(m_{o} = 20\,kg\), \(\lambda = 0.179\,\frac{1}{s}\) and \(t = 300\,s\), then the initial mass of the radioactive material is:

\(m(t) = (20\,kg)\cdot e^{-\left(0.179\,\frac{1}{s} \right)\cdot (300\,s)}\)

\(m(t) \approx 9.537\times 10^{-23}\,kg\)

There are \(9.537\times 10^{-23}\) kilograms of radioactive material after 300 seconds.

The speed is 282.84 if the tension is doubled.

According to the question, the speed of the tension is as follows

The formula we will use is

v = √ T /ρ

where v is the speed of the wave, T the tension in the wire, and ρ the density of the wire

If the tension is doubled

T = 2T₀

v = √ (2T₀ / ρ)

v = √2   √ T₀ / ρ

v = √2  v₀

Therefore,

v = √2  200

v = 282.84 m / s

What is the speed if the tension is doubled?

If the tension is doubled, what happens to the speed of the waves on the string? Since the speed of a wave on a taunt string is proportional to the square root of the tension divided by the linear density, the wave speed would increase by √2.

What is the wave speed on a string under tension?

The speed of a pulse or wave on a string under tension can be found with the equation. |v|=√FTμ where FT is the tension in the string and µ is the mass per length of the string.

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A device consisting of one or more coils of wire wrapped around a common core. It is commonly used to step voltage up or down is as follow:

The device consisting of one or more coils of wire wrapped around a common core and is commonly used to step voltage up or down is known as a transformer.

A transformer is a device that is capable of transmitting electrical energy from one circuit to another by means of electromagnetic induction.

The primary coil, which is the coil that is connected to the source of electrical power, and the secondary coil, which is the coil that is connected to the load, are the two coils used in a transformer. The amount of voltage supplied to the secondary coil is determined by the number of turns in the secondary coil compared to the number of turns in the primary coil.

A step-up transformer is one in which the voltage output is greater than the voltage input, and a step-down transformer is one in which the voltage output is less than the voltage input. In other words, a step-up transformer increases voltage from the primary to the secondary coil while a step-down transformer decreases voltage from the primary to the secondary coil.

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Answer:

A break in an electric tool's or machine's insulation can cause its metal parts to become “hot” or energized, meaning that they conduct electricity. Touching these energized parts can result in an electric shock, burn or electrocution.

The force exerted on the car by the raising mechanism is 7,100 N.

The given parameters:

The force exerted on the car by the raising mechanism is calculated as follows;

\(W = Fd\\\\F = \frac{W}{d} \\\\F = \frac{2.13 \times 10^6}{300} \\\\F = 7,100 \ N\)

Thus, the force exerted on the car by the raising mechanism is 7,100 N.

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A) if each frame is 24 seconds long and there 243 frames, the total time that elapses is 243 times 24, which equals 5832 seconds.

B) For this, we will need to use kinematics

inital velocity = 0 m/s

time = 5832 seconds

distance = 56 meters

acceleration = ?

We can use the formula

Answer:

True

Explanation:

I took the quiz and got it right.

TRUST

The "max out" method, also known as the "1RM" (One Repetition Maximum) method, is commonly used in strength training to determine the maximum amount of weight an individual can lift for a particular exercise.

The purpose of this method is to assess muscular strength accurately. While it is essential to perform warm-up sets to prepare the body for intense lifting, the process of determining the 1RM involves a specific protocol:

Warm-up Sets: Before attempting the 1RM, it is crucial to warm up the muscles and joints properly. Warm-up sets are typically performed with lighter weights and higher repetitions to gradually prepare the body for the heavier load.

Complete Sets: After the warm-up sets, the individual performs one or more "complete sets" with progressively heavier weights, but not at maximal effort. These sets help acclimate the body to heavier loads and prepare the nervous system for the upcoming maximal lift.

1RM Attempt: Once adequately warmed up and prepared, the individual makes an attempt to lift the heaviest weight possible for one repetition. It is essential to have a spotter or a qualified trainer to ensure safety during this maximal effort lift.

Rest: After the 1RM attempt, it is essential to allow sufficient rest and recovery, as attempting maximal lifts can be physically and mentally demanding.

It's important to note that determining 1RM carries a higher risk of injury compared to typical strength training. It's best to perform 1RM assessments under the guidance of a qualified trainer or coach who can provide proper instruction and ensure safety throughout the process. Additionally, the 1RM should be assessed periodically, as it can change over time with training and adaptation.

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The southern hemisphere experiences cold weather when the south pole tilts away from the sun.

The months of January or February in the Northern Hemisphere and June, July, or August in the Southern Hemisphere often have the lowest seasonal average temperatures.

Aside from the Antarctic continent (which is undoubtedly quite cold! ), there are no other nations on or below the Antarctic Circle. This often means that winters in the Southern Hemisphere are warmer.

Seasons in the Southern Hemisphere are, as we all know, the polar opposite of those in the Northern. Instead, the Earth's orbital tilt of 23.5 degrees as it revolves around the Sun provides the solution.

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Answer:

Moving-iron instruments are generally used to measure alternating voltages and currents.

Explanation:

In moving-iron instruments the movable system consists of one or more pieces of specially-shaped soft iron, which are so pivoted as to be acted upon by the magnetic field produced by the current in coil.

Answer:

Hello your question has some missing part attached below is the missing part

How much work is done by the cog system on the cars?

answer : 2.053 * 10^7 J

Explanation:

Total weight of car ( wT )  = 5900 * 29 = 171100 N

mass of car ( mT ) = wT / g  = 171100 / 9.81 = 17459.18 kg

Hence work done by the cog system on the cars

W = ( KE\(_{2}\) + PE\(_{2}\) ) - ( KE\(_{1}\) + PE\(_{1}\) )

    = ( 1/2 mv^2 + mgh ) - ( 0 )

    = ( 1/2 * 17459.18 * 0.50^2) + ( 17459.18 * 9.81 * 120 )

    = 2.053 * 10^7 J

Answer:

a) Strings of guitar (being played)

b) Heart-beat in a healthy person

c) Motion of an apple falling from a tree

Explanation:

a) The motion of the string of a guitar being played is the only motion involving simple harmonic motion.

b) All the other motions are circular motion except the heart beat in a healthy person, which is periodic.

c) The motion of an apply falling from a tree is the only motion under the complete influence of gravity from the onset till the end.

The true azimuth of the AB alignment is 91º 52' (east of north), the magnetic azimuth is 100º 22' (east of north), and the grid azimuth is 108º 52' (east of north).

To find the true azimuth, magnetic azimuth, and grid azimuth of the AB alignment, we need to consider the magnetic declination. The magnetic declination indicates the angle between true north and magnetic north at a specific location. In this case, the magnetic declination is 8º 30' E, which means that the magnetic north is 8º 30' east of the true north.

To calculate the true azimuth, we subtract the magnetic declination from the grid azimuth. The grid azimuth is given as 100º 22', so subtracting the magnetic declination of 8º 30' E gives us a true azimuth of 91º 52' (east of north).

The magnetic azimuth remains the same as the grid azimuth, which is 100º 22' (east of north).

The grid azimuth is calculated by adding the magnetic declination to the true azimuth. Since the magnetic declination is east, we add it to the true azimuth. Adding 8º 30' E to the true azimuth of 91º 52' gives us a grid azimuth of 108º 52' (east of north).

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The maximum horizontal distance through which the bucket will swing is 12.70ft/s.

Given: Crane moves at velocity, v, and stops suddenly. The bucket is to swing no more than 12 ft horizontally.

Find: Maximum allowable velocity v

\(v_1=v\\v_2=0\)

\(T_2=1/2mv^2\)

\(U_1-2=-mgh\\d=12ft\)

\(AB^2= (30 ft)^2=d^2+y^2=(12ft)^2+y^2\)

\(y^2=900-144=756\)                         \(y=\sqrt{756}\)

\(h=30 - y = 30-\sqrt{756} = 2.5045 ft\)

\(T_1\) + \(U_{1-2}\) = \(T_2\)

\(1/2mv^2-mg(2.5045)=0\)

\(v^2=2g(2.5045)-2(32.2) (2.5045)\)

\(v^2=161.289.v = 12.6999\\v=12.70ft/s\)

Velocity is a term used in physics to describe the rate of change of an object's position with respect to time. Velocity and speed are often used interchangeably. However, in physics, velocity is a more precise term as it takes into account both the speed and direction of an object's motion.

When an object is moving in a straight line, its velocity is simply the object's speed in that direction. However, when an object is moving in a curved path, its velocity is constantly changing due to the change in direction. The standard unit for velocity is meters per second (m/s), although other units such as kilometers per hour (km/h) or miles per hour (mph) are also commonly used.

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Ball 1 has the greatest amount of potential energy inside it because it has the maximum height among all the balls shown in the graph.

Potential energy is the stored energy which depends upon the relative position of various parts of a system. A spring has more potential energy when it is compressed or stretched due to external force.

Potential energy is not affected by the environment outside of the object or its system, such as the air or height. On the other hand, kinetic energy is the energy of an object or a system's particles in motion.

The potential energy of an object depends on the force acting on the two objects. For the gravitational force, the formula is P.E. = mgh, where m is the mass in kilograms, g is the acceleration due to gravity and h is the height in meters.

The object 1 has maximum height hence, it has greatest potential energy.

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Assuming the raindrop was stationary relative to the vertical distance to the ground at the start:

D=0.5at where d is distance, a is acceleration and t is time

D is 300 meters

a is 9.8 meter/sec squared

Solve for t in seconds

t = 61.2 seconds

v=at where v is velocity

a is 9.8 meters per second squared

t is 61.2 seconds

solve for v

v = 600 meters per second.

If it had an initial vertical velocity (v0) at the start :

d= 0.5at+v0t

and

v=at+v0

Apparent expansion: If you heat the liquid directly using a container, the expansion you see is called a apparent expansion of the liquid. The apparent expansion of the liquid is the expansion of the liquid that is perceived by taking into account the expansion of the container. Its SI unit is “per kelvin”.

Apparent Expansivity is a term used in thermodynamics to describe a substance's volume change when it undergoes a change in temperature or pressure. More specifically, it refers to the change in volume per unit volume per unit change in temperature or pressure, depending on the system being analyzed.

If a substance expands by a certain amount when heated or compressed, the apparent expansivity would be the ratio of the change in volume to the change in temperature or pressure. The units of apparent expansivity are usually expressed in inverse degrees Celsius or inverse Pascals, depending on the system.

Apparent expansivity can be crucial in various fields of study, including materials science, geology, and engineering, as it can affect the behavior and properties of materials under different conditions.

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Answer:

1500 kg is mass of car

Explanation:

F = ma

F/a = m

4500n / 3 m/s^2 = 1500 kg

The principles of radiation protection for medical diagnostic procedures using ionizing radiation in hospitals include justification, optimization, and shielding.

radiation protection, medical diagnostic procedures, ionizing radiation, hospitals.

The principle of justification emphasizes the importance of ensuring that the use of ionizing radiation in medical diagnostic procedures is justified based on the expected benefits outweighing the potential risks. This involves following clinical protocols and guidelines to determine the necessity and appropriateness of the procedures for each patient. The principle of optimization focuses on optimizing the radiation dose to achieve the necessary image quality while keeping it as low as reasonably achievable (ALARA). This can be achieved by using advanced imaging equipment with dose reduction technologies and employing proper collimation and shielding techniques. The principle of shielding involves implementing appropriate shielding measures to protect both patients and healthcare personnel from unnecessary radiation exposure. This includes using lead aprons, thyroid collars, and other shielding devices to minimize scattered radiation.

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Bernoulli's equation allows to find the result for the change of the kinetic energy of the fluid in the pipe is:  

Fluid mechanics studies the movement of liquid and gases through pipes, for this it uses the Bernoulli's equation, which is the work and energy relationship for fluids.

       P₂ + ½ ρ v₂² + ρ g y₂ = P₁ + ½ ρ v₁² + ρ g y₁

Where the subscripts 1 and 2 are the two points of interest, P is the pressure, ρ the density, v the velocity and y the height.

The expression of kinetic energy in fluids is:

       K = ½ ρ v²

Let's substitute

       K₂ - K₁ = P₁-P₂ + ρ g (y₁-y₂)

      ΔK = P₁-P₂ + rho g (y₁-y₂)

Indicates the density of the fluid is 4 10⁻³ km / m³, there is a height difference of Δy = 100 m and the pressure of 0.08 Pa and 0.02 Pa.

      ΔK = (0.08 -0.02) + 4 10⁻³ 9.8 100

      ΔK = 0.06 + 3.92 ΔK = 3.98 J  

In conclusion using Bernoulli's equation we can find the result for the change in the kinetic energy of the fluid in the pipe is:

        ΔK = 3.98 J

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The mass of the car is calculated as 1021.86 kg. We can calculate the mass of the car by using the formula: mass = Force / acceleration

Given information: Acceleration of the car = 1.83 m/s²

Force acting on the car = 1870 N

We know that Force = mass × acceleration

According to the question, we need to find the mass of the car. We can calculate the mass of the car by using the formula: mass = Force / acceleration

Putting the values in the above equation, we get mass = 1870 N / 1.83 m/s²

So, the mass of the car is: mass = 1021.86 kg

Therefore, the mass of the car is 1021.86 kg.

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Answer:

12km per hour

Explanation:

The formula is distance/time.

24km/2 hours = 12km/1 hour

Explanation:

average speed = distance / time

= 24km/ 2 hr

= 12 km/ hr

Hope this will be helpful to you .