What are the Fundamental units involved in pressure

Answer:

11

Explanation:

its 11 because protons and electrons have the same answer

Answer:

11

Explanation:

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Answer: metals

Explanation:

Answer:

A solution is always transparent, light passes through with no scattering from solute particles which are molecule in size. ... A colloid is intermediate between a solution and a suspension. While a suspension will separate out a colloid will not. Colloids can be distinguished from solutions using the Tyndall effect.

Explanation:

When a suspension is allowed to stand, the particles separate. A colloid is a substance that exists between a solution and a suspension. A colloid will not separate from a suspension. The Tyndall effect can be used to distinguish colloids from solutions.

In chemistry, a suspension is a heterogeneous mixture of a fluid containing solid particles large enough to settle.

A suspension is a complex blend in which the solute particles do not disintegrate but rather become suspended throughout the bulk of the solvent and float freely in the medium.

A solution is a uniform mixture of one or more dissolved solutes in a solvent.

A solvent is a substance that dissolves a solute to produce a homogeneous mixture. The substance that dissolves in a solvent to form a homogeneous mixture is referred to as a solute.

A colloid is a mixture in which one substance is suspended throughout another, consisting of microscopically dispersed insoluble particles.

Larger particles in a suspension settle out, block or scatter light, and can be filtered out.

A colloid contains particles that are between the sizes of a solution and a colloid; they are not heavy enough to settle or be filtered out, but they still scatter light.

Thus, this way these three are related.

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The initial and final current are both zero because direct current does not pass thru a capacitor:

Current thru a capacitor is described as:

i = -E/R e^-t / RC

When switch is first closed t = -0 and i - E/R = -9/10 = -.9 amps

Perhaps this is what was meant by "first closed"

As t goes to infinity i, in the circuit goes to zero

Answer:

correct answer is C on usatestprep

Explanation:

3 options to help Alana achieve her goals include;

For Alana to save a considerable amount of her money, she must be willing to draw a priority list where important expenses come first. Expenses that are not so important can come later.

When she receives her salary, the money for expenses should be immediately separated from the savings. Alana's note shows that she spends a lot on entertainment. $40 on coffee, $36 on movies, $48 on meals with friends, 3 trips to the mall are way too much on entertainment. Alana should reduce the expenditures on pleasures.

If Alana decides to work more, she might break down in her physical health but if she decides to adjust her budget, then she saves her energy and invests more time in her studies.

Summarily, for Alana to achieve her goals, she should make a list, separate money for expenses, and cut down on entertainment.

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Answer:

The triple beam balance is an instrument used to measure mass very precisely. Such devices typically have a reading error of ±0.05 grams. ... The triple beam balance can be used to measure mass directly from the objects, find mass by difference for liquid, and measure out substances.

Answer:

waxing crescent

Explanation:

waxing crescent

Explanation) A waxing crescent is the beginning of the lunar cycle. It is waxing because the right hand side is illuminated and it's growing. It is a crescent shape from a small sliver until it's just less than the 1st quarter.

Answer:

When a car stops suddenly, we fall forwards. This is because the upper part of our body tends to continue to be in motion due to inertia. Newton's first law of motion, sometimes referred to as the law of inertia, states that an object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force. When the car stops slowly, its force is lesser than when the car stops harshly. This act of unbalanced force makes the mangoes fly forward.

Explanation:

I hope this helps!

Answer:

75.5 kg

Explanation:

w=mg

755= m × 10

m = 75.5

Answer:

c) The spoon temporarily gets charged with static electricity.

Explanation:

Static electricity is the electric charge that arises on the material's surface. This is caused when the two positive and the negative charges come in contact with each other. The electricity generated finds an escape from the object's surface.  

Rubbing the spoon makes it negatively charged while the sat and pepper have positive charge.

Between salt and pepper, it is the pepper that jumps to the spoon because it is lighter than salt.

Answer:

International Environmental Problems require international Cooperation to resolve them Factors Responsible for the Emergence of the Environment as a Global Issue 1. The Multiplication and Deepening of Environmental Problems.

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Well, it depends on the subject matter:

Physics

[tex]\displaystyle \frac{v}{f} = \lambda[/tex]

The Grecian lettre, known as lambda [tex]\displaystyle [\lambda],[/tex]symbolises the wavelength, and is determined by the division of the frequency [tex]\displaystyle [expressed\:in\:Hz][/tex]and wave velocity [tex]\displaystyle [expressed\:in\:km/s, m/s, km/h, mi/h, etcetera].[/tex]The majourity of calculations are strictly perfourmed in metric units. If the frequency is in kilohertz [tex]\displaystyle [kHz][/tex]or the wave velocity is in kilometres per hour [tex]\displaystyle [km/h],[/tex]you must convert these quantities to Hertz and metres per second [tex]\displaystyle [m/s][/tex]by multiplying by 1000 [tex]\displaystyle [10\:kHz = 10000\:Hz].[/tex]

Mathematics [Calculus (Real-Word situations)]

[tex]\displaystyle F^{-1} = T[/tex]

Now, a prime example of a real-world situation is a Ferris Wheel. At any point you are told to write a cosine and\or sine equation, and you are given the frequency of a wave, [tex]\displaystyle F,[/tex]double it and set [tex]\displaystyle \pi[/tex]up against it because remember, in Physics, the formula for finding the wavelength in lengths of time is written above.

*If you need examples on this, check my past responces to real-world situations to regain that ideya of how to find the wavelength of trigonometric equations.

I am joyous to assist you at any time.

Answer:

Which of the following correctly describes a solid? Explanation: A solid is defined as having a definite shape and definite volume. A liquid is defined as having a definite volume, but not a definite shape.

Answer:

bias refers to effects that a conclusion that may be incorrect, as for example when a researcher patient knows what treatment is being given, to avoid bias a blinded study may be done

Answer:

velocity = 16.67[m/s]

Explanation:

To solve this problem we must use the following expression of speed, where we see the relationship between displacement and time.

velocity = displacement/time [m/s]

displacement = 50 [m]

time = 3 [s]

velocity = 50/3

velocity = 16.67[m/s]

Option 1,3 and 5 are correct. Work is defined as the product of applied force and the distance through which the body is displaced on which the force is applied.

Work is defined as the product of applied force and the distance through which the body is displaced on which the force is applied.

Work may be zero, positive or negative.it depends on the direction of the body displaced. if the body is displaced in the same direction of the force it will be positive .

while if the displacement is in the opposite direction of force applied the work will be negative work. if there is no displacement of the body the work done will be zero.

The following options are correct because the work is due to displacement. In all three options, the displacement is done. The correct options are;

A cat lifts up her kitten by its neck.

A bird flies a worm from the ground to its nest in a tree.

A horse pulls a wagon along a road.

Hence options 1,3 and 5 are correct.

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Answer:

its 1, 3, and 5

Explanation:

or a, c, and e

Answer:

electromotive force (emf)

Explanation:

Answer:

2. an explanation of that natural world that has been repeatedly confirmed through observation and experimentation and is accepted by the scientific community.

Answer:

B. Changes electrical energy to mechanical energy.

Explanation:

We must make it clear that all the answers are correct, but yet answer B condenses the essence of the main objective of an electric motor. Electrical energy is converted into rotary motion of an axis, that rotational motion is considered a mechanical motion.

Answer:

The cause of a magnetic force are small electrical currents or moving charges: Tiny circular currents at the atomic level are responsible in a permanent magnet for it to exert a magnetic force.

Explanation:

Answer:

4ms^-2

Explanation:

m = 45Kg, Frictional force = 120N, Applied force = 300N, a = ?

Firstly, you find the net force acting on the body

Net force = Applied force - Frictional force

Net force = 300N - 120N = 180N

F = 180N

using the formula for Force

F = ma

Then making acceleration subject of the formula; you will get:

a = F/m

a = 180N/45Kg

a = 4ms^-2

Answer:

distance = 6.1022 x10^16[m]

Explanation:

To solve this problem we must use the formula of the average speed which relates distance to time, so we have

v = distance / time

where:

v = velocity = 3 x 10^8 [m/s]

distance = x [meters]

time = 6.45 [light years]

Now we have to convert from light-years to seconds in order to get the distance in meters.

[tex]t = 6.45 [light-years]*365[\frac{days}{1light-year}]*24[\frac{hr}{1day}] *60[\frac{min}{1hr}]*60[\frac{seg}{1min} ] =203407200 [s][/tex]

Now using the formula:

distance = v * time

distance = (3*10^8)*203407200

distance = 6.1022 x10^16[m]

Explanation:

e = ?

work output = 300 J

work input = 600 J

[tex]efficiency \: = \frac{work \: output}{work \: input} \times 100[/tex]

we multiply by 100 in order to get your efficiency in percentage

[tex]e = \frac{300}{600} \times 100[/tex]

[tex]e = \frac{1}{2} \times 100[/tex]

[tex]e = 50\%[/tex]

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Answer:

In order to catch the box before it hits the ground, the person needs to go as fast as approximately 5.96 m/s

Explanation:

The height of the hot air balloon above the ground, s = 92.4 m

The location on the ground of the person intending to catch the box, x = 10 m away horizontally from the base location of the balloon

The time it takes the balloon released at zero vertical velocity is given by the following equation;

s = 1/2·g·t²

92.4 = 1/2 × 9.8 × t² = 19.6·t²

t² = 92.4/19.6 ≈ 4.714

t = √4.714 ≈ 1.68 seconds

The time, t, it takes the box to hit the ground ≈ 1.68 seconds

The speed, v, of the person standing 10 m away has to go to catch the box before it hits the ground is v = Distance/time =10/1.68 ≈ 5.96 m/s

In order to catch the box before it hits the ground, the person needs to go as fast as approximately 5.96 m/s.

Explanation:

u (initial velocity) = 0

acceleration = 2.5 m/s²

s (distance) = 100 m

Then,

v² = u² + 2as

v² = (0)² + 2×2.5×100

v² = 0 + 500

v² = 500

v = √500

v = 10√5 m/s

When a car starts from rest and accelerates at a constant rate of 2.5 m/s2 then the car's velocity after the car has traveled 100 m would be 15.81 m/s.

The rate of change of the velocity with respect to time is known as the acceleration of the object.

As given in the problem a car starts from rest and accelerates at a constant rate of 2.5 m/s2 then we have to find the car's velocity after the car has traveled 100 m.

By using the third equation of motion

v² - u² = 2×a×s

By substituting the respective values in the equation, as given the car cover a distance of 100 m

v² - u² = 2×a×s

v²-0² =2× 2.5×50

v²=250

v = 15.81 m/s

Thus, the car's velocity would be 15.81 m/s.

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Answer:

The largest mass is 170.7 Kg.

Explanation:

Given that,

Tension = 1500 N

We need to calculate the tension in the rope

Using balance equation

[tex]T_{1}\cos\theta=T_{2}\cos\theta[/tex]

Put the value into the formula

[tex]T_{1}\cos30=T_{2}\cos45[/tex]

[tex]T_{1}\dfrac{\sqrt{3}}{2}=\dfrac{T_{2}}{\sqrt{2}}[/tex]

[tex]T_{1}=\dfrac{\sqrt{2}}{\sqrt{3}}\times T_{2}[/tex]

If [tex]T_{2}=1500\ N[/tex]

[tex]T_{1}=\dfrac{\sqrt{2}}{\sqrt{3}}\times1500[/tex]

[tex]T_{1}=1224.74\ N[/tex]

We need to calculate the largest mass

Using balance equation

[tex]mg=T_{1}\sin30+T_{2}\sin45[/tex]

[tex]mg=1224.74\times\dfrac{1}{2}+1500\times\dfrac{1}{\sqrt{2}}[/tex]

[tex]mg=1673.03\ N[/tex]

[tex]m=\dfrac{1673.03}{9.8}[/tex]

[tex]m=170.7\ Kg[/tex]

Hence, The largest mass is 170.7 Kg.

Answer:

Explanation:

The distance covered by an object given it's velocity and time taken can be found by using the formula

From the question

velocity = 27.8 m/s

time = 8 s

We have

distance = 27.8 × 8

We have the final answer as

Hope this helps you

The absolute maximum shear stress will occur at : Point A

Shear stress is a force that cause deformation of a material via slippage along planes which are parallel to each other.

From the diagram the shear stress distribution is parabolic in nature therefore the absolute maximum shear stress will occur at points A and C of the diagram.

The shear stress appears maximum at point A due to the shear force and torque

Hence we can conclude that the absolute maximum shear stress will occur at Point A

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