Given that vector a b = c, and that lal lbl = lcl, how are vectors a and b oriented with respect to each other?

Velocity is vector quantity because it has both magnitude and direction.

Explanation:

velocity is a vector quantity because the person always returns to the original position,the motion would never result in a change in a position.

Answer:

.3m

Explanation:

Apex

0.3 is right i just got it right on the test for A P E X :D

Answer:

54

Explanation:

d = vo*t + ½*g*t²

d = 3*3 + ½*10*3²

d = 9 + 45

d = 54 m

entonces el objeto tiene 54 m de desplazamiento

Yes, it is possible to place another charged ball q0 on the line between the two charges q and 4q such that the net force on q0 will be zero.

For this to occur, the magnitude of the electric force between q0 and q must be equal and opposite to the magnitude of the electric force between q0 and 4q. Since the electric force between two charged objects is given by Coulomb's law, we can set up the following equation:

k(q0)(q)/(r^2) = k(q0)(4q)/((3r)^2),

where k is the electrostatic constant and r is the separation distance between the charges.

Simplifying this equation, we can cancel out q0 and solve for q as follows:

q = 4q/9.

This means that the charge q should be equal to four-ninths of itself for the net force on q0 to be zero. In other words, the ratio of the charges q and 4q should be 4:9.

To summarize, if the ratio of the charges q and 4q is 4:9, it is possible to place another charged ball q0 on the line between the two charges such that the net force on q0 will be zero.

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Answer:

Four basic fources.

Explanation:

Fundamental force, also called fundamental interaction, in physics, any of the four basic forces—gravitational, electromagnetic, strong, and weak—that govern how objects or particles interact and how certain particles decay. All the known forces of nature can be traced to these fundamental forces.

Answer:

The angular speed of the system increases because the moment of inertia of the system has decreased.  

Explanation:

The residuals from a statistical model or regression analysis are tested for autocorrelation using the Durbin Watson (DW) statistic.

A number between 0 and 4 will always be assigned to the Durbin-Watson statistic. A value of 2.0 means that no autocorrelation in the sample was found. Positive autocorrelation is shown by values between 0 and less than 2 whereas negative autocorrelation is indicated by values between 2 and 4.

Temporal autocorrelation, which implies that observations made closely together in time would be correlated and produce nonrandom residuals concerning particular temporal trendlines, is another way that behavior might alter over time.

The degree of similarity between a particular time series and a lagged version of itself over subsequent time intervals is represented mathematically by autocorrelation.

The correlation between two different time series is theoretically similar to autocorrelation, however autocorrelation uses the same time series twice: once in its original form and once lagged one or more time periods. 

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(a) The average pressure exerted by the person is 40,000 N/m².

(b) The average pressure exerted by the elephant is  295,000 N/m².

The average pressure exerted by the elephant is about 7 times greater than the average pressure exerted by the person.

The average pressure exerted by each is defined as the force per unit area.

Mathematically, the formula for average pressure is given as;

P = F/A

where;

P = W / A

where;

The average pressure exerted by the person is calculated as follows;

P = (640 N) / (0.016)

P = 40,000 N/m²

The average pressure exerted by the elephant is calculated as follows;

P = (4.13 x 10⁴ N) / (0.14)

P = 295,000 N/m²

Thus, the average pressure exerted by the elephant and the person depends on their weight and area of their shoes.

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Answer:

D. It is a non-metal.

This follows directly from the definition for average acceleration:

\(a_{\rm ave}=\dfrac{\Delta v}{\Delta t}=\dfrac{v_f-v_i}t\)

Under constant acceleration, acceleration and average acceleration are interchangeable. So we have

\(0.69\dfrac{\rm m}{\mathrm s^2}=\dfrac{v_f-3.5\frac{\rm m}{\rm s}}{8.3\,\mathrm s}\)

\(\implies v_f=3.5\dfrac{\rm m}{\rm s}+\left(0.69\dfrac{\rm m}{\mathrm s^2}\right)(8.3\,\mathrm s)\)

\(\implies\boxed{v_f=9.227\dfrac{\rm m}{\rm s}}\)

Given statement is false, there must be equal amounts of mass on both side of the center of mass of an object.

A position relative to an object or system of objects is known as the centre of mass. It is the system's average position, weighted by the mass of each component. The center of mass is situated at the centroid for straightforward rigid objects with uniform density.

It is not necessary to have an equal number of masses on either side of the earth's crust when viewing it from above. The distribution of the heavier basaltic rocks that make up the ocean is not uniform. Oceanic plates are heavier than continental plates because they are composed of different types of materials (made up of granitic rocks).

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Answer

v= 1/R mark me brainliest pls

At the equilibrium position in SHM, the acceleration of the mass is zero, the speed is at a maximum, and the potential energy is zero. Option C is correct choice.

In simple harmonic motion (SHM), a mass attached to a spring oscillates back and forth around its equilibrium position. At the equilibrium position, the displacement of the mass from its equilibrium position is zero, and the restoring force of the spring is also zero. This means that the mass does not experience any net force at this point, and thus its acceleration is zero.

At the equilibrium position, the mass has maximum speed because it has been accelerated towards the equilibrium position by the restoring force of the spring, and then decelerated by the same force as it passes through the equilibrium position. At this point, all of the potential energy stored in the spring has been converted into kinetic energy. Therefore, the kinetic energy of the mass is a maximum, and the potential energy is zero. Option c is  correct choice.

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The increase in volume reading when the brass block is placed in the cylinder is equal to the volume of liquid displaces by the object. This is defined by the Archimedes principle.

The upward buoyant force is exerted on an object when the object is fully or partially immersed in the fluid. The buoyancy force is equal to the weight of the fluid that the body displaces and this force always acts in the upward direction. This is called as Archimedes principle.

It states that the magnitude of buoyancy force exerted on the object by a liquid is equal to the weight of the volume of the liquid displaced by the object. When a brass block is immersed in the liquid, the level of water increases depending on the weight of the brass.

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The coefficient of sliding friction μ is 0.45

The frictional force is a force that prevents an object from sliding. The formula for calculating the frictional force is expressed asl

Ff = μR

where

μ is the required coefficient of friction

R is the normal reaction

Given the following parameters

Ff = 252N

R = 555N

substitute

μ = Ff//R

μ = 252/555

μ = 0.45

Hence the coefficient of sliding friction μ is 0.45

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By Bernoulli's Principle :

\(P_x+\dfrac{\rho v_x^2}{2}+\rho gz_x=P_y+\dfrac{\rho v_y^2}{2}+\rho gz_y\)

Since , pipe is horizontal so every point is at same height .

So , \(z_x=z_y\) .

The equation will reduced to :

\(P_x+\dfrac{\rho v_x^2}{2}=P_y+\dfrac{\rho v_y^2}{2}\)    ..... 1 )

Also flow rate will be constant :

\(Q=A_xv_x=A_yv_y\)

\(v_x=\dfrac{Q}{A_x}\\\\v_x=\dfrac{2.4\times 10^{-4}}{3\times 10^{-4}}\ m/s\\\\v_x=0.8\ m/s\)

\(v_y=\dfrac{Q}{A_y}\\\\v_y=\dfrac{2.4\times 10^{-4}}{0.6\times 10^{-4}}\ m/s\\\\v_x=4\ m/s\)

Now ,

\(P_x-P_y=\dfrac{\rho v_y^2}{2}-\dfrac{\rho v_x^2}{2}\\\\P_x-P_y=\rho[\dfrac{ v_y^2}{2}-\dfrac{v_x^2}{2}]\\\\P_x-P_y=1000\times [\dfrac{ 4^2}{2}-\dfrac{0.8^2}{2}]\\\\P_x-P_y=7680\ Pa\)

Difference in pressure between X and Y is most near to 7700 Pa.

Hence, this is the required solution.

Answer:

Traditional Method->>>>I'm not 100% sure of my answer but gl buddy

Step 1 Identify the Null Hypothesis and the Alternative Hypothesis

Step 2 Identify α (Level of Significance)

Step 3 Find the critical value(s)

Step 4 Find the test statistic

 For a Proportion: Hand calculation

TI 83/84 – Use 1PropZTest (See Handout H-404)

 For a population mean (with α known):

TI 83/84 - Use Z-Test (See Handout H 404)

 For a population mean (with α Not known):

TI 83/84 - Use T-Test (See Handout H-404)

Step 5 Draw a graph and label the test statistic and critical value(s)

Step 6 Make a decision to reject or fail to reject the null hypothesis

 Reject - The test statistic falls within the critical region.

 Fail to Reject - Test statistic does not fall within the critical

region.

P-Value Method:

P-value is the area determined as follows:

 Left Tail Test: p-value is the area to the left of the test statistic.

 Right Tail Test: p-value is the area to the right of the test statistic.

 Two Tailed Test: p-value is twice the area bounded by the test statistic

Make a decision to reject or fail to reject the null hypothesis:

 Reject if p-value ≤ α

 Fail to reject if p-value > α

Hope this help! :)

The amount of lateral strain in a tension member can be calculated using Poisson's ratio.

To calculate the lateral strain, we can use the equation: ε_lateral = -ν * ε_longitudinal

Where:

ε_lateral = Lateral strain

ν = Poisson's ratio

ε_longitudinal = Longitudinal strain

Poisson's ratio (ν) is a material property that describes the ratio of lateral strain to longitudinal strain when a material is subjected to an axial load. It is defined as the negative ratio of the transverse strain to the longitudinal strain.

Calculating the lateral strain involves determining the longitudinal strain, which can be calculated using the equation:ε_longitudinal = ΔL / L

Where:

ε_longitudinal = Longitudinal strain

ΔL = Change in length of the tension member

L = Original length of the tension member

Once the longitudinal strain is calculated, we can use Poisson's ratio to determine the lateral strain by multiplying the longitudinal strain by the negative value of Poisson's ratio.

It is important to note that the lateral strain is typically very small compared to the longitudinal strain in a tension member, especially for materials with a low Poisson's ratio.

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Answer:

Light or visible light is electromagnetic radiation within the portion of the electromagnetic spectrum that is perceived by the human eye. Visible light is usually defined as having wavelengths in the range of 400–700 nanometres, between the infrared and the ultraviolet.

Here are the 7 from shortest to longest wavelength.

Violet - shortest wavelength, around 400-420 nanometers with highest frequency.  

Indigo - 420 - 440 nm.

Blue - 440 - 490 nm.

Green - 490 - 570 nm.

Yellow - 570 - 585 nm.

Orange - 585 - 620 nm.

Red - longest wavelength, at around 620 - 780 nanometers with lowest frequency.

Explanation:

Two Positive and Negative points involving the usage of nuclear energy are:

Positive Points:

1) Large Source of Clean Power.

2) It creates jobs in various nuclear sectors.

Negative Points:

1) Fuel Usage, Large Area under Construction, and Waste Disposal.

2) Operating Nuclear industries is Costly.

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Saturn is undergoing an apparent retrograde movement period as the Earth moves closer to Saturn in its orbit and then both planets are located on the side of the Sun. Stars that are nearer to us will exhibit higher parallax, similar to how it occurs on Earth.

The star parallax of the Earth is quite modest, barely 0.03 seconds of arc. It would be difficult to see against the backdrop of stars, even with a good telescope.

The angle between the Earth's place at a single time of year and the Earth 6 months later, as determined from a nearby star, is known as the parallax angle. This angle is used by astronomers to calculate how far away that star is from Earth.

We may calculate the distance to a nearby planet using the method described before, s. Now, measuring from an observation point O, we determine the angle the planet occupies, which is. Therefore, P1P2=d, where d is the planet's diameter. As a result, we may use the parallax method to calculate the radius of a neighboring planet.

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According to the octet rule, if an atom has fewer than 8 electrons in the outer most energy level, it will react with other nearby atoms to give, receive or share electrons until it has a full outer shell.

The octet rule refers to the tendency of atoms to prefer eight electrons in their valence shell.

If the atom has less than 8 electrons, the atoms tend to react to form more stable compounds.

The discussion of the octet rule does not consider d or f electrons. It is useful for main group elements because only s and p electrons participate in the octet rule.

Atoms are reacted to be as stable as possible. Complete octets are very stable because all orbitals are full. Since atoms with higher stability have less energy, reactions that increase the stability of atoms release energy in the form of heat or light.

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Answer:

It will react with other nearby atoms to give, receive or share electrons until it has a full outer shell.

Explanation:

im prolly really late for this one but lol oh well

Answer:

the answer is C uranus

Explanation:

Uranus

The two planets that will be closest in size is Earth and Venus

When developing a scale model ( representing the sizes of the planet on a scale for easy understanding ) the planets are modelled to represent reality.

In the galaxy when planets are ranked based on their sizes ( diameter ), the biggest planet is Jupiter with a diameter of 142,800 km followed by Saturn with a diameter of 120,660 km and the third largest planet is Uranus with a diameter of 51,118 km.  While the size of the Earth is 12,756 km and that of Venus is 12,104 km

Hence the two planets that should be closest in size on a scale model are Earth and Venus because their diameters are the closest

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Answer:

m=100kg

Explanation:

E=1/2mv^2

10000=1/2m(20)^2

10000=1/2m(400)

10000=1/2m200

50=1/2m

100=m

The energy stored in the capacitor is 5.48 × 10⁻⁴ J.

The energy stored in a capacitor can be calculated using the formula:
E = (1/2)CV²
Where E is the energy stored in the capacitor, C is the capacitance of the capacitor, and V is the voltage across the capacitor.

In this case, we are given the voltage (V = 21.0 V) and the charge stored on the capacitor (Q = 52.0 µC). We can use the relationship between charge, capacitance, and voltage to find the capacitance:
Q = CV
C = Q/V
C = (52.0 µC)/(21.0 V) = 2.476 × 10⁻⁶ F

Now we can plug in the values for C and V into the formula for energy:
E = (1/2)(2.476 × 10⁻⁶ F)(21.0 V)²
E = 5.48 × 10⁻⁴ J

Therefore, the capacitor has a stored energy of 5.48 × 10⁻⁴ J.

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Answer:c. 2.1°C

Explanation:

I just did it