What horizontal force is required to hold the plate stationary against the water jet
(assume all of the water leaves parallel to the plate)?
D = 30 cm
Q = 0.05 m^3/s

Answers

Answer 1

The horizontal force required to hold the plate stationary against the water jet is 35.36 N.

To hold the plate stationary against the water jet, the horizontal force exerted on the plate must be equal and opposite to the force exerted by the water jet on the plate.

The force exerted by the water jet on the plate can be calculated using the momentum equation:

F = ρQV

where F is the force, ρ is the density of water, Q is the flow rate of water, and V is the velocity of water.

We can assume that the water leaves the plate parallel to it, so the velocity of water can be calculated using the continuity equation:

Q = AV

where A is the area of the plate.

The area of the plate can be calculated using its diameter:

A = (πD²)/4 = (π×0.3 m)²/4 = 0.0707 m²

The velocity of water is then:

V = Q/A = 0.05 m³/s / 0.071 m² = 0.707 m/s

The density of water at room temperature is approximately 1000 kg/m³. Therefore, the force exerted by the water jet on the plate is:

F = ρQV = (1000 kg/m³)(0.05 m³/s)(0.704 m/s) = 35.36 N

So, a horizontal force of 35.36 N is required to hold the plate stationary against the water jet.

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Related Questions

if a balloon is cooled what will happen to the volume

Answers

If a balloon is cooled, its volume will decrease. This is because gases behave differently than solids and liquids when subjected to temperature changes.

In general, as the temperature of a gas decreases, the particles in the gas slow down and move closer together. This results in a decrease in the volume of the gas, since the same number of particles are now occupying a smaller space.

In the case of a balloon, the gas inside it will behave in the same way. As the gas cools, the particles will move closer together and the pressure inside the balloon will decrease, causing the balloon to shrink. This is why helium balloons, for example, tend to deflate in cold temperatures.

It is important to note that the decrease in volume will depend on the initial temperature and pressure of the gas, as well as the temperature to which it is cooled. In addition, if the cooling process is severe enough, the gas may even condense into a liquid or solid, which will result in a much greater decrease in volume.

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What is the resistance of a circuit contains two 50. 0 resistors connected in series with a 12. 0 v battery

Answers

The resistance of a circuit that contains two 50.0 Ω resistors connected in series with a 12.0 V battery is 100 Ω. The resistance of the circuit is equal to the sum of the individual resistors when they are connected in series.

In this case, two 50.0 Ω resistors are connected in series, resulting in a total resistance of 100 Ω. Resistance can be defined as the obstruction that electricity faces when it travels through a conductor. The greater the resistance, the less current is allowed to flow through the circuit. The following equation is used to calculate resistance: R = V / IWhere R is resistance, V is voltage, and I is current.

Resistance can also be calculated using Ohm's Law if we know the values of voltage and current. When resistors are connected in series, the total resistance of the circuit is equal to the sum of the individual resistors. This is expressed by the following equation:RT = R1 + R2 + ... + RNWhere RT is the total resistance of the circuit, and R1, R2, and RN are the individual resistors. In this case, the circuit contains two 50.0 Ω resistors connected in series.

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What is the equation for finding the amount of inertia in forces and motion? Explain how you solve that equation.​

Answers

Answer:

Inertia = angular momentum / angular velocity

the student measured the volume of each fruit three times and then calculated a mean value the three measurements for a grape were 2.1cm3 2.1cm3 2.4cm3

Answers

The mean value of the measurements is 2.2 cm³.

What does measuring mean?

The attributes of an object or an event are measured and quantified so that they can be compared to other things or events.

Therefore, measurement is the process of determining the size or smallness of a physical quantity in comparison to a primary reference quantity of a similar kind. The range and applications of measurement depend on the situation and industry.

Measurements do not apply to nominal attributes of things or occurrences in the natural sciences and engineering, as stated in the International Vocabulary of Metrology published by the International Bureau of Weights and Measures. Measurement is essential to trade, science, technology, and quantitative research in many fields.

Mean of the measurements = (2.1+2.1+2.4)/3 = 6.6/3 = 2.2 cm³.

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Rain and wind place which type of load on structures?
A) Dynamic load
B) Soft load
C) Gradual load
D) Static load

Answers

It’s a dynamic load.
Hopes this helps :)
answer:a is the answer

Disilicon Trisulfide formula?

Answers

disilicon hexabromide
Common Name disilicon hexabromide
CAS Number 13517-13-0 Molecular Weight
Density N/A Boiling Point
Molecular Formula Br6Si2 Melting Point
MSDS N/A Flash Point

A positive charge is placed in the center of an uncharged metal spherical shell with some thickness as shown above.

1. Draw the electric field that exists inside the empty volume enclosed by the shell.
(Empty except for
the positive charge.) Explain your drawing either in words or through use of a
diagram, or both.

2. Draw the electric field that exists inside the metal shell. Explain your drawing
either in words or
through use of a diagram, or both.

3. Draw the electric field that exists outside of the metal shell. Explain your drawing
either in words or
through use of a diagram, or both.

A positive charge is placed in the center of an uncharged metal spherical shell with some thickness as

Answers

The drawing of the positive charge showing the electrical fields inside  the empty volume enclosed by the shell is attached accordingly. See explanation below.

What is the explanation of the drawing the positive charge inside the center of the uncharged spherical metal?

The electrostatic potential at any location outside the shell, assuming the center of the shell is Z, equals Z/4π∈₁r, where r is the distance from O.

It's also worth noting that the spherical shell's outer surface is an equipotential shell, which means that the electric field at any place inside the shell except O is zero.

Because the shell is metallic, charge Z will induce uniformly on the inner surface and +Z will induce uniformly on the outer surface, with O as the charge center.

As a result, an electric field will exist both within and outside the shell, but the total charge will remain the same.

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A positive charge is placed in the center of an uncharged metal spherical shell with some thickness as

which of the following are considered by scientists to be potential solutions to fermi's paradox?select all that apply. there is no paradox, because ufo evidence already proves that aliens exist.there is no paradox, because ufo evidence already proves that aliens exist.there is an existing galactic civilization that is far more advanced than we are. there is an existing galactic civilization that is far more advanced than we are. civilizations are common, but no one has colonized the galaxy.civilizations are common, but no one has colonized the galaxy.we are alone.

Answers

The potential solutions to Fermi's Paradox that are considered by scientists include:

- There is an existing galactic civilization that is far more advanced than we are.
- Civilizations are common, but no one has colonized the galaxy.
- We are alone.

The options "there is no paradox, because UFO evidence already proves that aliens exist" are not considered as potential solutions by scientists as there is no concrete evidence to support this claim.

he Fermi paradox is the discrepancy between the lack of conclusive evidence of advanced extraterrestrial life and the apparently high a priori likelihood of its existence. As a 2015 article put it, "If life is so easy, someone from somewhere must have come calling by now. Fermi was not the first to ask the question. An earlier implicit mention was by Konstantin Tsiolkovsky in an unpublished manuscript from 1933.

He noted "people deny the presence of intelligent beings on the planets of the universe" because "if such beings exist they would have visited Earth, and  if such civilizations existed then they would have given us some sign of their existence." This was not a paradox for others, who took this to imply the absence of extraterrestrial life. But it was one for him, since he believed in extraterrestrial life and the possibility of space travel. Therefore, he proposed what is now known as the zoo hypothesis and speculated that mankind is not yet ready for higher beings to contact us. In turn, Tsiolkovsky himself was not the first to discover the paradox, as shown by his reference to other people's reasons for not accepting the premise that extraterrestrial civilizations exist.

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Which of the following is the clearest example of a neuronal membrane’s selective permeability?
a. The Na+-K+ pump only transports Na+ and K+ ions.
b. K+ ions can diffuse across the membrane more easily than Na+ ions.
c. Diffusion of K+ ions out of the neuron causes the membrane potential to become more negative.
d. The concentration gradient for Na+ ions is inward, but the concentration gradient for K+ ions is outward.

Answers

The clearest example of a neuronal membrane's selective permeability is an option (b) - K+ ions can diffuse across the membrane more easily than Na+ ions. This is because the membrane is more permeable to K+ ions than to Na+ ions.

This is due to the presence of potassium ion channels, which allow K+ ions to easily cross the membrane. On the other hand, the presence of sodium ion channels is limited, which makes it more difficult for Na+ ions to cross the membrane.

The selective permeability of the neuronal membrane is crucial for maintaining the proper functioning of the nervous system. It allows for the regulation of ion concentrations inside and outside the cell, which is essential for generating and transmitting electrical signals. This selective permeability is achieved through the presence of ion channels and transporters that selectively allow certain ions to pass through the membrane.

In summary, the clearest example of a neuronal membrane's selective permeability is the fact that K+ ions can diffuse across the membrane more easily than Na+ ions, due to the presence of potassium ion channels and the limited presence of sodium ion channels. Hence, b is the correct option.

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Pls help answer this

Pls help answer this

Answers

Answer: The rods both have the same charge therefore they repel each other.  The force of repulsion creates a downward force on the balance pan and therefore the balance registers a higher reading.

"Please include all relevant working out as detailed as possible
and all relevant diagram to find the answer. Much appreciated! I
will upvote! Thank you so much"
Find total response of the system (transient+steady state). Do not solve for coefficients. Determine the frequency of applied force at which resonance will occur? M = 20 kg F, = 90 N Given: -6 rad/s M

Answers

Given the following information:Mass of the system, m = 20 kg.Damping coefficient, b = 6 Ns/m.Force, F = 90 N.Frequency of applied force, f = ?Applied force angular frequency, w = 6 rad/s.Forced vibration equation:F(t) = F0 sin(wt)where F0 = 90 N and w = 6 rad/s.Under the action of the force F, the mass m will oscillate.The equation of motion for the mass-spring-damper system is given by:$$\mathrm{m\frac{d^{2}x}{dt^{2}}} + \mathrm{b\frac{dx}{dt}} + \mathrm{kx = F_{0}sin(\omega t)}$$where k is the spring constant.x(0) = 0 and x'(0) = 0.As we have the damping coefficient (b), we can calculate the damping ratio (ζ) and natural frequency (ωn) of the system.Damping ratio:$$\mathrm{\zeta = \frac{b}{2\sqrt{km}}}$$where k is the spring constant and m is the mass of the system.Natural frequency:$$\mathrm{\omega_{n} = \sqrt{\frac{k}{m}}}$$where k is the spring constant and m is the mass of the system.Resonant frequency:$$\mathrm{\omega_{d} = \sqrt{\omega_{n}^{2}-\zeta^{2}\omega_{n}^{2}}}$$At resonance, the amplitude of the system will be maximum when forced by a sinusoidal force of frequency equal to the resonant frequency.Resonant frequency:$$\mathrm{\omega_{d} = \sqrt{\omega_{n}^{2}-\zeta^{2}\omega_{n}^{2}}}$$$$\mathrm{\omega_{d} = \sqrt{(6.57)^{2}-(-2.88)^{2}} = 6.98 rad/s}$$Hence, the frequency of applied force at which resonance will occur is 6.98 rad/s.

The frequency of the applied force at which resonance will occur is ω = 2√5 rad/s.

To determine the frequency of the applied force at which resonance will occur, resonance happens when the frequency of the applied force matches the natural frequency of the system. The natural frequency can be determined using the formula:

ωn = √(K / M),

where ωn is the natural frequency, K is the spring constant, and M is the mass of the system.

Substituting the given values of K = 400 N/m and M = 20 kg into the equation, we can calculate the natural frequency ωn.

ωn = √(400 N/m / 20 kg) = √(20 rad/s²) = 2√5 rad/s.

Therefore, the frequency of the applied force at which resonance will occur is ω = 2√5 rad/s.

The correct question is given as,

M= 20kg

Fo = 90 N

ω = 6 rad/s

K = 400 N/m

C = 125 Ns/m

Determine the frequency of applied force at which resonance will occur?

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If the mass of the skier is 101kg and the coefficient of friction is .011, what is the force of friction on the skier?
addition info:
acceleration: 1.6m/s^2 distance traveled: 20m
slope of hill: 12 skier starts from rest and then reaches a speed of 8.0m/s going down a slope for 5s.

Answers

To find the force of friction on the skier, we can use Newton's second law of motion, which states that the net force acting on an object is equal to the mass of the object multiplied by its acceleration.

Given:

Mass of the skier (m) = 101 kg

Acceleration (a) = 1.6 m/s²

The net force acting on the skier can be calculated as:

Net force (F_net) = m * a

Substituting the given values:

F_net = 101 kg * 1.6 m/s²

F_net = 161.6 N

The force of friction (F_friction) is equal in magnitude but opposite in direction to the net force. So, the force of friction on the skier is also 161.6 N.

Note: The information provided about the skier reaching a speed of 8.0 m/s and traveling down a slope for 5 seconds is not necessary to calculate the force of friction.

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An elevator, mass 4750kg, is designed so that the maximum acceleration is 0.50m/s2. What are themaximum and minimum forces the motor exerts on the cable?

Answers

The free body diagram of the elevator can be shown as,

According to free body diagram, the net force acting on the elevator is,

\(F_n=T_{\max }-mg\)

According to Newton's law,

\(F_n=ma\)

Plug in the known expression,

\(\begin{gathered} ma=T_{\max }-mg \\ T_{\max }=ma+mg \\ =m(a+g) \end{gathered}\)

Substitute the known values,

\(\begin{gathered} T_{\max }=(4750kg)(0.50m/s^2+9.8m/s^2) \\ =(4750\text{ kg)(}10.3m/s^2)(\frac{1\text{ N}}{1kgm/s^2}) \\ =48925\text{ N} \end{gathered}\)

Thus, the maximum force exerted on the cable is 48925 N.

For minimum, tension the net force can be expressed as,

\(F_n=mg-T_{\min }\)

Plug in the known expression,

\(\begin{gathered} ma=mg-T_{\min } \\ T_{\min }=mg-ma \\ =m(g-a) \end{gathered}\)

Substitute the known values,

\(\begin{gathered} T_{\min }=(4750kg)(9.8m/s^2-0.5m/s^2) \\ =(4750\text{ kg)(}9.3m/s^2)(\frac{1\text{ N}}{1kgm/s^2}) \\ =44175\text{ N} \end{gathered}\)

Thus, the minimum force exerted on the cable is 44175 N.

An elevator, mass 4750kg, is designed so that the maximum acceleration is 0.50m/s2. What are themaximum

What is the law of superposition and what are the other forms of it? What did people believe before it was invented?

Answers

This principle is based on the observation that in undisturbed sedimentary rock formations, the oldest layers are at the bottom and the youngest layers are at the top.

What is Fossils Fuels?

Fossil fuels are a group of non-renewable energy sources that are formed from the remains of dead plants and animals that lived millions of years ago. Fossil fuels include coal, oil, and natural gas, and are used to generate electricity, power transportation, and heat buildings.

Coal is formed from the remains of plants that lived in swampy environments millions of years ago. Over time, these plants were buried and subjected to high pressure and temperature, which converted them into coal. Coal is primarily used to generate electricity in power plants.

The law of superposition is a basic principle of geology that states that in a sequence of sedimentary rock layers, each layer is younger than the one beneath it and older than the one above it.

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help mee please fassst

help mee please fassst

Answers

Answer:

iron has lower specific heat

which of the following does not influence the speed of water in a
stream?
a. gradient
b. discharge
c. channel geometry
d. flow

Answers

Pption d. flow does not independently influence the speed of water in a stream. Instead, it is an outcome determined by the combined effects of gradient, discharge, and channel geometry.

The flow itself, or the rate at which water moves in a stream, is not an independent factor that influences the speed of water in a stream. Instead, it is a result of other factors such as gradient, discharge, and channel geometry.

a. Gradient: The gradient, or slope, of the stream affects the speed of water. Steeper gradients generally lead to faster-flowing water.

b. Discharge: The discharge of a stream, which refers to the volume of water passing through a given point in a specified amount of time, directly affects the speed of water. Higher discharge results in faster flow.

c. Channel geometry: The shape and dimensions of the stream channel also influence the speed of water. Wider and deeper channels tend to have slower flow, while narrower and shallower channels often lead to faster flow.

Therefore, option d. flow does not independently influence the speed of water in a stream. Instead, it is an outcome determined by the combined effects of gradient, discharge, and channel geometry.

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When a bug hits a windshield of a car, the force of the car on the bug equals the force of the bug on the car.
O True
O False

Answers

True. The force of the car on the bug will be equal to the force of the bug on the car.

Newton's third law

This statement is true according to Newton's third law of motion.

According to Newton's Third Law of Motion, for every action, there is an equal and opposite reaction.

In this case, the action is the force of the car on the bug, and the reaction is the force of the bug on the car.

Therefore, the force of the car on the bug is equal in magnitude and opposite in direction to the force of the bug on the car.

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DESPERATE WILL GIBE BRAINLIST AND THANKS
Radiometric dating is a form of relative dating.
Question 4 options:
True
False

Answers

Answer:

True

Radiometric dating is a process of identifying the age of a material based on known half-lives of decaying radioactive materials found in both organic and inorganic objects. Radiometric dating is often used to determine the age of rocks, bones, and ancient materials.

Answer:

false

Explanation:

What two nutrients do scientists
measure in water systems?

Answers

Answer:nitrogen and phosphorus

Explanation:

em 6
Which provides a definition for
matter?
Anything that
A.
B.
C.
D.
is solid and has weight
takes up space and is heavy
takes up space and has mass
is a liquid or solid​

Answers

Answer:

definition of matter is that matter takes up space and has mass

A What quantity is equal to​

A What quantity is equal to

Answers

Answer:

Option B is correct

Explanation:

acceleration is equal to rate of change of velocity.

Estimate the magnitude of the magnetic field at ground level generated by an overhead AC power line service drop connecting a single home to a utility pole.

Answers

Answer:

Explanation:

Magnetic field due to current carrying wire at a distance r from the  wire is

\(B=\frac{\mu_0I}{2r}---(1)\)

In our case

\(I=\frac{I_0}{2}\)

where,

I₀ = max current or peak current

and r = h (where h is the height of power line)

\(\therefore B=\frac{\mu (I_0/2)}{2h} \\\\=\frac{\mu_0 I_0}{4h} ----(2)\)

put

h ≈ 370m

I₀ ≈ 3KA

\(B= \frac{(1.26*10^-^6)(3*10^3)}{4*(370)} \\\\=2.5*10^-^6 T\)

1ST TO ANSWER GET BRAINLIEST ANSWER How old do u need to be to drink Beer

Answers

The age limit to drink beer is 17 or 18 and up

the voltage used by most households can be modeled by a sine function. The maximum voltge is 120 volts, and there are 60 cycles every second. Write an equation to represent the value of the voltage as it flows through the electric wires, where t is time in seconds

Answers

The required equation for the sine function can be written as; V = 120sin120πt

What is a sine function?

A sine function is a regular repeating function. We know that the voltage is represented using a sine function of the general form V= V-o sin2πft

Hence;

f = 60 cycles per second

V-o = 120 volts

So from the values that we have stated above;

V = 120sin120πt

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2. An object of mass 20 kg is lifted to a 25 m building. How much potential energy is stored on the mass? (Take g= 10 m/s)​

Answers

Explanation:

potential energy = mass × gravity force × height

=20 × 10 × 25

= 5000 joules

A gas at 8.4 atm has a volume of 1.9 L. What volume would the gas have at 8.3 atm?

Answers

Answer:

the final volume of the gas is 1.923 L.

Explanation:

Given;

initial pressure, P₁ = 8.4 atm

initial volume of the gas, V₁ = 1.9 L

final pressure of the gas, P₂ = 8.3 atm

The final volume of the gas is calculated by applying Boyle's law as follows;

P₁V₁ = P₂V₂

V₂ = P₁V₁ / P₂

V₂ = (8.4 x 1.9) / 8.3

V₂ = 1.923 L

Therefore, the final volume of the gas is 1.923 L.

A wave with a frequency of 1.1 Hz travels through deep water at a speed of 5.7 m/s. When the wave enters shallow water, its speed slows to 3.2 m/s. What is the wavelength of the wave in the shallow water?

Answers

Answer:

The wavelength of the wave in shallow water is 2.91 m.

Explanation:

Given;

frequency of the wave, f = 1.1 Hz

speed of the wave in deep water, v₁ = 5.7 m/s

speed of the wave in shallow water, v₂ = 3.2 m/s

The wavelength of the wave in the deep water is calculated as;

λ₁ = v₁/f

λ₁ = 5.7 / 1.1

λ₁ = 5.18 m

The wavelength of the wave in the shallow water is calculated as;

λ₂ = v₂/f

λ₂ = 3.2 / 1.1

λ₂ = 2.91 m

Therefore, the wavelength of the wave in shallow water is 2.91 m.

What is the objects acceleration

Answers

It’s the movement’s of the object
Hehe

Complete the following sentence. The World Wide Web launched to the public in.


HURRY 1 MINUTE LEFT

Answers

January 1st 2000

Hope this helps:):):):):)

Answer:

January 1st, 2000

Explanation:

I hope this has helped you!

At what value of x does f have a discontinuity due to a vertical asymptote? give a reason for your answer.

Answers

If f has a discontinuity due to a vertical asymptote at x=a, then the function has a vertical asymptote at x=a.

A vertical asymptote occurs when the function approaches infinity as x approaches a certain value from either direction. This means that the function becomes arbitrarily large as x approaches the value of the vertical asymptote, but it never actually reaches the asymptote itself.

To determine the value of x at which f has a discontinuity due to a vertical asymptote, you need to find the value of x at which the function approaches infinity. This can often be done by examining the function and looking for expressions of the form 1/0 or 0/0, which indicate that the function is becoming infinitely large as x approaches a certain value.

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