A tank for compressed gas has a maximum safe pressure limit of 850 kPa. The pressure
gauge reads 425 kPa when the temperature is 28°C. What is the highest temp in degrees
Celsius the tank can withstand safely?

Answer:

if you need an actual number answer you can use   :Vf = Vi + at.  If you throw the ball it will have an initial force beside gravity accelerating the fall temporarily from greater than throw it downwards, its acceleration (in the absence of air resistance) will be greater than  9.8 m/s2 until it slows back down to a constant 9.8 m/s2 after ( t )amount of time

Explanation:

If you drop a ball, it accelerates downward at 9.8 m/s2. if instead you throw the ball straight downwards While throwing, we apply an additional force other than the gravitational force.

This gives an additional, temporary acceleration along with the gravitational acceleration.

Thus from the instant it is thrown and the instant it leaves your hand, the object is under variable acceleration, the variation of acceleration being the reason of the varying force which we do apply on the object. But once it leaves our hand it is always under constant acceleration of g which is9.8 m/s2

When a ferromagnetic material is placed in an electromagnetic coil and a magnetic field is applied, the magnetic induction (B) is increased.

Therefore, the correct answer is:

(a) There is a large increase in the magnetic induction (B)

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Answer:

0 degrees latitude

Explanation:

At 0 degrees latitude, the Equator is an invisible line that circles the Earth's center.

Answer:

When a battery charges a capacitor, the conduction electrons flow from the battery to the plates of the capacitor. As the capacitor becomes charged, the electrons accumulate on the plates, creating a potential difference between the plates. This potential difference causes the flow of electrons to stop once the capacitor is fully charged, and the capacitor can hold a charge.

During the charging process, the voltage across the capacitor increases as more charge accumulates on the plates, while the current decreases as the flow of electrons slows down. When the capacitor is fully charged, the voltage across the capacitor is equal to the voltage of the battery, and the current stops flowing.

In summary, when a battery charges a capacitor, the conduction electrons flow from the battery to the plates of the capacitor, creating a potential difference that charges the capacitor. Once the capacitor is fully charged, the flow of electrons stops.

The conduction electrons in a battery charging a capacitor will flow from the negative terminal of the battery to the positive terminal.

This flow of electrons is known as an electric current. As the electrons move, they transfer energy to the capacitor, which causes the capacitor to become more positively charged. This process of charging continues until the capacitor reaches the same electrical potential as the battery.

Once the capacitor is fully charged, the electrons will no longer flow and the capacitor will remain at the same voltage as the battery.

The conduction electrons have transferred energy from the battery to the capacitor, allowing the capacitor to store electrical energy.

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Answer:

When the flower vase drops, it is due to gravity.

Without a figure provided, it is impossible to give a specific answer to this question. The magnetic field at the position of the dot will depend on the specific configuration and placement of the magnetic sources in the figure.

In order to calculate the magnetic field at a specific point, we would need to know the magnetic properties of the sources, their orientation, and the distance between them and the point in question.

However, in general, the magnetic field at any point in space can be described as a vector quantity, with magnitude and direction. It is typically measured in units of tesla (T) or gauss (G). The direction of the magnetic field is given by the direction of the magnetic force on a positive test charge placed at that point, and the magnitude of the field is proportional to the strength of the force.

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Answer:

For a material to be a good conductor, the electricity passed through it must be able to move the electrons; the more free electrons in a metal, the greater its conductivity.

48 m/s in terms of km/h is 720.8 km/h. In terms of m/min is 2880 m/min, in terms of km/s is 0.048 km/s and in terms of km/min is 2.88 km/min.

To solve this question, we need to understand some terms. The unit of velocity is measured in m/s. It can be expressed in different units of velocity.

1 km (kilometer) = 1000 meter

1 h (hour) = 3600 seconds

1 minutes = 60 seconds

To convert m/s into km/h,

48 m/s * 3600/1000 =  172.8 km/h

To convert m/s into m/min,

48 m/s * 60 = 2880 m/min

To convert m/s into km/s,

48 m/s ÷ 1000 = 0.048 km/s

To convert m/s into km/minutes,

48 m/s * 60 / 1000 = 2.88 km/min

Therefore, the 48 m/s expressed is 172.8 km/h, 2880 m/min, 0.048 km/s and 2.88 km/min.

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48 m/s is equivalent to  172.8 km/h, 2880 m/min, 0.048 km/s, and 2.88 km/minute.

To express 48 m/s in different units of velocity:

km/h (kilometers per hour):

To convert m/s to km/h, we can use the conversion factor of 3.6 since 1 m/s is equal to 3.6 km/h.

48 m/s * (3.6 km/h / 1 m/s) = 172.8 km/h

Therefore, 48 m/s is equivalent to 172.8 km/h.

m/min (meters per minute):

To convert m/s to m/min, we can use the conversion factor of 60 since there are 60 seconds in a minute.

48 m/s * (60 m/min / 1 s) = 2880 m/min

Therefore, 48 m/s is equivalent to 2880 m/min.

km/s (kilometers per second):

Since 1 kilometer is equal to 1000 meters, to convert m/s to km/s, we divide the value by 1000.

48 m/s / 1000 = 0.048 km/s

Therefore, 48 m/s is equivalent to 0.048 km/s.

km/minute (kilometers per minute):

To convert m/s to km/minute, we first need to convert m/s to km/s (as calculated in the previous step) and then multiply by 60 to convert seconds to minutes.

0.048 km/s * 60 = 2.88 km/minute

So, 48 m/s is equivalent to 2.88 km/minute.

Hence, 48 m/s is equivalent to approximately 172.8 km/h, 2880 m/min, 0.048 km/s, and 2.88 km/minute.

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Answer:

Velocity vectors are always perpendicular to the circle.

Acceleration vectors point toward the center of the circle.

Velocity vectors are the same length.

Explanation:

(THESE ARE NOT MY WORDS BTW)

1) Acceleration and velocity are vectorial quantities, which means they have magnitude and direction.

2) In a circular motion velocity direction changes all the time, which means that it is accelerated.

3) In a uniform circular motiion, the velocity changes in a constant value. This is the rate of change of velocity, which is the magnitude of the acceleration, is constant (uniform).

4) The velocity is perpendicular to the path, i.e. the circle. You can see it if you think that if the object stopped changing the direction, then the object would follow a straight path (as per inertia principle). That is why this velocity is called tangential velocity (to differentiate it of the angular velocity).

This is what the option C says "Velocity vectors are always perpendicular to the circle". Then this is true.

5) The constant change of direction in a circular path, means that the object is been pushed, accelerated, toward the center of a circle. This is, all the time the object in motion tries to follow the perpendicular path but a push (a force) directed to the center of the circle changes its direction. Such force accelerates the object toward the center of the circle. So, the acceleration vectors point toward the center of the circle, which is what the option D says. So, this is also true.

6) Since the motion is uniform, the magnitude or length of the velocity vectors are always the same, are constant. So, the option E. is also true.

Acceleration vectors point in the direction of motion. Acceleration vectors point toward the center of the circle, and velocity vectors are the same length. The correct options are B, D, and E.

The item moves in a circular motion at a constant speed in uniform circular motion. Because the object's direction is continually changing, it experiences acceleration.

Because they are responsible for changing the direction of motion, the acceleration vectors always point towards the centre of the circle.

Velocity vectors reflect the magnitude and direction of an object's velocity. The velocity vectors in uniform circular motion are always tangent to the circle and perpendicular to the radius at any given location.

They have the same length because the speed is constant in uniform circular motion.

Thus, the correct options are B, D, and E.

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Your question seems incomplete, the probable complete question is:

In a uniform circular motion map, what is always true?  Check all that apply.

A.The dots are different distances apart.

B.Acceleration vectors point in the direction of motion.

C.Velocity vectors are always perpendicular to the circle.

D.Acceleration vectors point toward the center of the circle.

E.Velocity vectors are the same length.

Answer:

C: Energy of motion

Explanation:

Answer:

both

Explanation:

and I'm serious he is literally both

Answer:

Explanation:

The Galactic halo contains only old stars

False. The statement is not accurate. The halo of the Milky Way galaxy contains a mixture of both old and young stars.

The Milky Way galaxy consists of multiple components, including the central bulge, the disk, and the halo. The halo is the outermost region of the galaxy and extends beyond the main disk. It is characterized by a sparse distribution of stars and contains a mix of populations.

In the halo, we find not only very old stars but also some relatively young stars. The oldest stars in the halo are typically population II stars, which are metal-poor and formed early in the history of the galaxy. These stars are generally older than the stars found in the disk. However, the halo can also contain younger stars that are remnants of more recent star formation events or have been accreted from satellite galaxies.

Therefore, it is incorrect to say that the halo of the Milky Way galaxy contains only very young stars. It is a diverse region with a mix of stellar populations, including both old and young stars.

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Announcement 1: Fluid mechanics is a branch of chemistry that involves having a look at fluids:  c) False, True

Fluid mechanics is the branch of physics concerned with the mechanics of fluids and the forces on them. It has programs in an extensive variety of disciplines, such as mechanical, aerospace, civil, chemical, and biomedical engineering, geophysics, oceanography, meteorology, astrophysics, and biology. Fluid mechanics is the look at of the forces of the fluid and the way fluids flow. Fluid mechanics may be divided into parts: fluid statics and fluid dynamics. Fluid statics is the observation of fluids at rest, and fluid dynamics is the study of fluids in motion.

Fluid mechanics is the look at fluid behavior (beverages, gases, blood, and plasmas) at relaxation and in movement. Fluid mechanics has a huge variety of packages in mechanical and chemical engineering, organic structures, and in astrophysics.

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Answer:

yes

Explanation:

moving earth makes us stand on ground

Answer:

the rotation of the earth can affect your weight but not gravity

Problems with data management may have a detrimental impact on a variety of issues. Bad risk management choices, data loss, information leakage, unauthorised, data pyramids, compliance with laws, an unsafe environment, a shortage of resources, etc. are instances among these.

What issues surround the handling of data?

These are a few potential issues in managing scientific, financial, or administration data that have been briefly explained.

Technical information not adequately recorded.

The administration of performance specifications is not under the PI's control.

Data not kept on file by the organization.

improper maintenance of financial or administrative data.

What would you say is data management?

Data administration is the act of gathering, arranging, and using data to job in an effective, economy, and judgement call.

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Answer:

B1 = μ_o•I1/2πr

Explanation:

According to the right hand rule, we can say that the magnetic field at the second wire due to the current being carried in first wire is given by;

B1 = μ_o•I1/2πr

Where;

r is distance that separates the two wires

μ_o is a constant known as permeability of free space

I1 is current in wire 1

The lift and drag coefficients and lift-to-drag ratio for an infinite flat plate at 10° angle of attack in a Mach of 5.5 are calculated as follows:Lift coefficient:CL = 2πα/(1+ (γ-1)/2M²) where α = angle of attack (10°)γ = ratio of specific heats (1.4 for air)M = Mach number (5.5)CL = 2π (10°)/[1 + (1.4-1)/2(5.5)²]CL = 3.42Drag coefficient:CD = 2CD/πAR = k (1- 1/M²) where AR = Aspect ratio (b²/S) = ∞ since we have an infinite flat plate.k = skin friction coefficient = 1.328/√(Re)Re = Reynolds number at infinity = ∞CD = 2 (1.328/√(Re)) (1 - 1/(5.5)²)CD = 0.0173Lift-to-drag ratio:L/D = CL/CDL/D = 3.42/0.0173L/D = 197.4Streamline passing through the flat plate.

In an incompressible flow, the streamline will have a rounded nose with no sharp edge and flow around the surface. But in a compressible flow, there will be a shock wave emanating from the leading edge, an expansion fan (a region of low pressure caused by the shock), and the flow will be detached from the surface at the trailing edge due to the adverse pressure gradient.

The sketch of shock waves and expansion fan for an infinite flat plate is shown in the figure below:Lift and drag forces:The lift and drag forces on an airfoil are defined by:L = 0.5ρV²S CLD = 0.5ρV²S CDSince we have an infinite flat plate, the lift force is zero since there is no curvature on the top surface of the plate. The drag force is given by:D = 0.5ρV²S CD Substituting the given values:D = 0.5 x 0.478 x (5.5 x 343)² x ∞ x 0.0173D = ∞As the plate is infinite, there will be no net force acting on the plate.

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Answer:

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

From the question we have

force = 1200 × 15

We have the final answer as

Hope this helps you

The weight of the box is 10 Kg. The normal force acts on the box is 83.4 N. Thus, its acceleration is 8.34 m/s² downwards.

Acceleration of a moving object is its rate of change in its velocity. Acceleration is a vector quantity thus, characterised by magnitude and direction.

According to second law of motion, force is the product of mass and acceleration.

Given the force acting on the box that it experience as the weight = 83.4 N

mass of the box = 10 Kg.

thus, acceleration  = f/ m = 83.4 N/10 kg = 8.34 m/s².

When the elevator is moving upward, the acceleration by its weight is acting downward.

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Answer:

Kinetic energy is the energy in moving objects or mass. Examples include mechanical energy , electrical energy etc.

Answer:

C. 2 and 4

Explanation:

my teacher went over it and the answer was that

The sections of the track in which the sled would experience an unbalanced force are: C. Sections 2 and 4.

In Science, there are two (2) main types of force that acts on an object and these include:

An unbalanced force refers to a type of force that occurs when two (2) or more forces acting on an object are unequal in magnitude, and as such, it typically results in a change of motion.

In this scenario, the sections of the track in which the sled would experience an unbalanced force are sections 2 and 4 respectively.

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Answer:

the second one

Explanation:

When a free positive charge q is accelerated by an electric field, such as shown in Figure 1, it is given kinetic energy. The process is analogous to an object being accelerated by a gravitational field. It is as if the charge is going down an electrical hill where its electric potential energy is converted to kinetic energy. Let us explore the work done on a charge q by the electric field in this process, so that we may develop a definition of electric potential energy.

The electrostatic or Coulomb force is conservative, which means that the work done on q is independent of the path taken. This is exactly analogous to the gravitational force in the absence of dissipative forces such as friction. When a force is conservative, it is possible to define a potential energy associated with the force, and it is usually easier to deal with the potential energy (because it depends only on position) than to calculate the work directly.

The work done by the force on the particle is 39J and  the angle between F and s is 19.7 degree.

An item with mass is pulled or pushed which alters its velocity. A material that has the ability to change a body's rest or motion state is referred to as an external force. It possesses a magnitude and a direction.

Force F = (Fx, Fy)

Displacement S = (Sx,Sy)

Fx=10N

Fy=-1N

Sx=4m

Sy=1m

F=(10,-1)N and S=(4,1)m

Work done is calculated by taking dot product of force and displacement vector:

W=F·S

W=10×4 + (-1)×1

W=40+(-1)=39J

W = 39 J

To find angle between F and s:

\(|F|=\sqrt{10^2+(-1)^2}\)

|F| = √101

|S| = √(4² + 1²)

|S| = √17

W  = |F| |S| cosθ

39 = √101 √17 cosθ

θ = 19.7.

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Models 1 and 2 are useful for understanding how sound and light waves travel through different mediums.

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Answer:

frequency

Explanation:

I think it's frequency because when frequency of a sound wave increases we feel increase in pitch

Answer:

$92,000

Explanation:Happiness starts from within.

The United States those who earn more than amount is $92000. Hence option 1 is correct.

Happiness is defined as an emotional condition characterized by emotions of happiness, pleasure, and satisfaction. The following three things have an impact on happiness: meaningful relationships with other people. preserving a nice hobby or workplace. assisting individuals in need or the community.

People who place a higher value on time than money are generally happier than those who do not think that having more time is preferable to having more money, according to a UCLA research of 4,400 Americans. In a six-month experiment, those who received $10,000 financial transfers generally felt happier than those who did not.

Thus, the United States those who earn more than amount is $92000. Hence option 1 is correct.

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