What does a distance-time graph represent?

The largest voltage the battery can have without breaking the circuit at the supports is 626.71 V.

The magnetic field on a current-carrying conductor is determined by the flow of current through the conductor and the distance from the carrier.

Voltage is the pressure exerted by an electrical circuit’s power source through a conducting loop to push charged electrons (“current”) through an electrical circuit to perform a function, such as turning on a light.

Given,

The length of the metal bar = 54.0 cm or 0.54 m

mass of the bar = 740 g or 0.74 kg

magnetic field acting perpendicular to the bar = 0.450 T

resistance  = 26.0

Let the maximum potential in the battery be V and the current in the circuit be I. So

V= IR

V = 26×I

I = V/21

For the rod to be in its position the magnetic force on the rod must be equal to the weight. So

magnetic force = weight

B×I×L = mg

0.45 × V/21 × 0.54 m =  0.74 × 9.8

V = 626.71 V

Thus the largest voltage the battery can have without breaking the circuit at the supports is 626.71 V.

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90 degrees is the altitude of the north celestial pole for an observer standing on the north pole of the earth.

A north celestial point that corresponds to Earth's North Pole. Because this point is always directly above Earth's pole, the point of light close to this now, Polaris, is always due north from a viewer's perspective.

From the Earth's surface, all celestial bodies, from the Sun to the stars, appear to rotate around on this point once per day. The observer is carried around the Earth's poles by that the planet's rotation, which causes this illusion.

The Pole Star's declination (its angular distance from Celestial Equator) is solved by definition at +90°. However, its airspeed (the angle it makes the with horizon) is not constant and varies depending on the situation.

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Answer:

Yes

Explanation:

A vector is a geometric representation of motion that includes both the magnitude and the direction of the motion of an object. Motion without a specified direction is called a scalar quantity. Vectors are designated by arrows, with the length indicating the relative magnitude of the motion.

Answer:

true

Explanation:

A vector is a geometric representation of motion that includes both the magnitude and the direction of the motion of an object. Motion without a specified direction is called a scalar quantity. Vectors are designated by arrows, with the length indicating the relative magnitude of the motion.

The remaining lights would have the same brightness if one light bulb and the wire section it was attached to were taken out.

In a parallel circuit, your input is divided into two or more serial circuits and then reunited after the circuits.

Taking away a bulb only affects that branch; the electricity that would have affected all of the branches is now spread among the other branches.

As a result, in a parallel combination, even if one of the bulbs burns out, the other bulbs will still be able to emit light because there is still a closed circuit for energy to travel through.

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Answer: There are \(6.25 \times 10^{18}\) protons present in one coulomb of charge​.

Explanation:

Given: Charge on proton = \(1.6 \times 10^{-19} C\)

It is known that the charge on a proton is equal to the charge present on an electron.

Formula used to calculate number of protons is as follows.

Q = ne

where,

Q = charge considered

n = number of protons

e = charge on electron or proton

Substitute the values into above formula as follows.

\(Q = ne\\1 C = n \times 1.6 \times 10^{-19} C\\n = 0.625 \times 10^{19}\\= 6.25 \times 10^{18}\)

Thus, we can conclude that there are \(6.25 \times 10^{18}\) protons present in one coulomb of charge​.

Answer:

just add co-ratios and then find the average.

Explanation:

If both animals are running at full speed, with the gazelle 99 m ahead, cheetah will catch its prey after 331 m

v = d / t

v = Velocity

d = Distance

t = Time

Let the distance covered by the gazelle be x.

For cheetah,

v = 105 km / h

d = ( 99 + x ) m

t = d / v

t = 105 / ( 99 + x ) s

For gazelle,

v = 73.5 km / h

d = x m

t = d / v

t = 73.5 / x

The time taken by both cheetah and gazelle will be the same when the cheetah catches its prey.

105 / ( 99 + x ) = 73.5 / x

105 x = 7276.5 + 73.5 x

31.5 x = 7276.5

x = 231 m

Distance travelled by cheetah = ( 99 + x ) m

Distance travelled by cheetah = ( 99 + 231 ) m

Distance travelled by cheetah = 331 m

Therefore, the cheetah will catch its prey after 331 m

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The velocity of the ball right before it hits the ground is approximately 17.15 m/s.

Assuming that there is no air resistance, the velocity of the ball right before it hits the ground can be calculated using the equation v² = u² + 2as, where v is the final velocity, u is the initial velocity (which is 0 m/s in this case), a is the acceleration due to gravity (which is approximately 9.8 m/s²), and s is the distance the ball falls (which is 15 meters in this case). Plugging these values into the equation, we get:

v² = 0² + 2(9.8)(15)
v² = 294
v ≈ 17.15 m/s

the velocity of the ball right before it hits the ground is approximately 17.15 m/s.
Therefore, the velocity of the ball right before it hits the ground is approximately 17.15 m/s.

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Answer:

Potential energy is related to mass and height. More context is required otherwise the answer here is an equation with several unknowns. PE = mgL(1 – COS θ) where θ is the angle away from the vertical and L is the length of the string.

Explanation:

Trailing azalea grows in harsh environments such as rocky slopes, cliffs, and other areas with poor soil and low moisture.

Trailing azalea, also known as Rhododendron canescens, is a native plant in the southeastern United States. This plant prefers acidic soils, but it can grow in a variety of soil types, including poor soil with low moisture. Trailing azalea is commonly found growing on rocky slopes, cliffs, and other areas with harsh environmental conditions. It is a hardy plant that can withstand drought and extreme temperatures.

In summary, trailing azalea grows in harsh environments such as rocky slopes, cliffs, and areas with poor soil and low moisture. This plant is adapted to survive in these challenging conditions, making it an important part of the ecosystem in the southeastern United States.

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Several narrow tree rings in a row tell us that it was formed in the warm season.

Trees are those plants that grow very tall. We can see that ancient trees play an important role in the determination of the age of some fossils. The patterns of the rings that could be found in these trees also help us to know how old the particular tree is and especially the whether condition of the place around the time that the tree was formed.

This has been corroborated by a lot of biological evidences that show to tat effect. It can also tell us about the weather condition in a place at a particular time.

As such,  several narrow tree rings in a row tell us that it was formed in the warm season.

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The statement reaction time is the lapse of time between muscular movement and external stimuli is True.

Muscular movement is a consequence of a natural response to a stimulus, which travels first truth the nervous system to reach muscular cells that contract to produce movement or motion.

This process (muscular movement) and the presence of external stimuli is called reaction time because this measurement varies among different individuals and it can be measured from the initial stimulation from the surrounding media to the concomitant response in the muscle cell caused by the contraction of the sarcomere, which is composed of actin and myosin filaments.

Therefore, with this data, we can see that muscular movement is caused by the contraction of muscle cells, which receive info from the nervous system that is decodified as a response as a consequence of stimuli from the surrounding environment.

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This velocity of a gas particle doubles if we triple the energy inside a gas vessel.

The Gaussian Model of Quantum Theory is now thought to be the best theory to explain the universe's most elementary ingredients. It discusses how the building blocks of all known matter are quarks, who make up both protons and neutrons, as well as leptons, which contain electrons.

A few examples of particles are planets, carbon atoms, as well as electrons. Quarks and protons are fundamental particles. The fundamental particles, which are the simplest and least massive particles, already are the most stable.

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Answer: 1. flushing the toilet,

               2. oil popping in a pan,

                3. the clicking of a mouse on a computer,

Explanation: Lu-.v u

Answer:

Well, 365 days is about how long it takes for Earth to orbit all the way around the Sun one time.

Answer:

I hope it helped you...please mark as brainliest.....thanks!!!!!!!

Explanation:

Inches of mercury is ideal for vacuum lifting with vacuum cups, as the amount of vacuum required is rarely high. Typical vacuum handling utilizes anything between 15″Hg and 25″Hg. Therefore, “Hg is suitable as a measurement of system performance in this type of operation

The column of mercury employed in a mercury barometer, the height of which (inches of mercury) is used as a measure of atmospheric pressure.

At some point, all water vapour that is found in a vacuum system came from the atmosphere. Consider that air at 25° C and 50% relative humidity contains 12 torrs of water vapour. ... Additionally, any surface will adsorb a certain number of monolayers of water molecules.

Credits:

Vacuum Measurement: A Basic Guide - Fluid Power Journal

Sources of Water Vapor in Vacuum Systems | Normandale ...

Speaker A is emitting the sound 0.0005625 seconds ahead of speaker B due to signal delays in the cables.

The two speakers, A and B, are located 3.50 meters apart. Each speaker is emitting a frequency of 444 Hz. However, due to signal delays in the cables, speaker A is one-fourth of a period ahead of speaker B.

To find the time difference between the two speakers, we need to calculate the period of the wave. The period is the time it takes for one complete cycle of the wave.

We know that the frequency of each speaker is 444 Hz. The formula for the period is T = 1/f, where T is the period and f is the frequency.

Using this formula, we can find the period of the wave: T = 1/444 Hz = 0.00225 seconds.

Since speaker A is one-fourth of a period ahead of speaker B, we can calculate the time difference between the two speakers. One-fourth of the period is 0.00225 seconds / 4 = 0.0005625 seconds.

Therefore, the conclusion in one line is that speaker A is emitting the sound 0.0005625 seconds ahead of speaker B due to signal delays in the cables.

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First, plot the data shown as points.

The points are (0,0), (1.4, 10), (2.8, 20), (4.2, 30), (4.9, 35), (5.8, 40), and (8, 45).

The graph shows a proportional part (a straight line) and a curvy part. So, the limit of proportionality is shown at the end of the straight line segment. The image below shows this limit.

The gradient of the straight-line portion refers to the slope. Let's use the points (1.4, 10) and (2.8, 20).

Therefore, the gradient is 7.14.

The Young modulus formula is

Let's use the greater force and the greater extension.

Therefore, Young Modulus is 1.6x10^11.

In this case, we need to know the buoyant force acting on the submerged log. The buoyant force, also known as Archimedes' principle states that the buoyant force acting on a body submerged in a fluid is equal to the weight of the displaced fluid. Mathematically,

Fb = ρ × V × g

where, Fb is the buoyant force

ρ is the density of the fluid

V is the volume of fluid displaced

g is the acceleration due to gravity (9.81 m/s²)

Let's find the volume of fluid displaced, V using the mass of the log.

Mass of the log = 390 kg

Since the log is completely submerged, it displaces its own volume of fluid. The volume of the log is given by;

Vlog = mlog/ρlog

where, ρlog is the density of the log

Since the log is made of ebony wood, the density of the log is

ρlog = 710 kg/m³

Therefore,

Vlog = mlog/ρlog = 390/710 = 0.549 m³

We can now find the buoyant force acting on the submerged log.

Fb = ρ × V × g

where, ρ is the density of water which is about 1000 kg/m³ (since the fluid is water)

g is the acceleration due to gravity (9.81 m/s²)

V is the volume of fluid displaced

Fb = 1000 × 0.549 × 9.81 = 5385.39 N

Therefore, the buoyant force acting on the submerged log is 5385.39 N.

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Assuming that the standard deviation is known to be 1.1, for a mean of 1080 samples, it can be said that the data supports the claim that the current ozone level is insufficient at the 0.02 level.

Step 1 of 5: Enter the hypotheses:

Null hypothesis (H0): The current ozone level is sufficient (μ = 7.0 ppm)

Alternative hypothesis (H1): The current ozone level is insufficient (μ < 7.0 ppm)

Step 2 of 5: Enter the value of the z-test statistic:

To find the z-test statistic, we'll use the formula:

z = (X' - μ) / (σ / √n)

where:

X' = sample mean = 6.9 ppm

μ = population mean = 7.0 ppm

σ = standard deviation = 1.1 ppm

n = sample size = 1080

Substituting the values into the formula:

z = (6.9 - 7.0) / (1.1 / √1080)

z = -0.1 / (1.1 / 32.863)

z ≈ -0.1 / 0.033157

z ≈ -3.018

Step 4 of 5: Enter the decision rule:

Since the alternative hypothesis is one-tailed (μ < 7.0 ppm), we need to compare the z-test statistic with the critical value for the given significance level.

At a significance level of 0.02, the critical value can be found using a z-table or a calculator. For a one-tailed test, the critical value is approximately -2.055.

Step 5 of 5: Enter the conclusion:

The z-test statistic (-3.018) is smaller than the critical value (-2.055). Therefore, we reject the null hypothesis.

Conclusion: The data supports the claim that the current ozone level is insufficient at the 0.02 level.

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Answer:

you need kinetic energy because it is the energy that is used when In motion

The type of energy that one acquire when you eat a bowl of hot vegetable soup is chemical energy.

Chemical power the bonds of chemical molecules contain energy. Exothermic reactions are those in which chemical energy is released during the reaction, frequently in the form of heat.

Some of the heat energy needed for a reaction to continue can be stored as chemical energy in newly created bonds.

Food particles go through a chemical reaction that releases chemical energy when we eat it. The body then uses this energy to carry out its regular tasks.

As a result, when you eat a cup of vegetable soup, you also consume the chemical energy it contains.

Thus, the answer is chemical energy.

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Answer:

561

Explanation: it would most definitely go down as a number because it isn't the same

Answer:

$1.5

Explanation:

We are given that:

We need to find:

Using equations of motion:

➙ v² - u² = 2as

➙ v = u + at

here,

From the given information, we can conclude that:

Now, using equation of motion:

➝ v = u + at

➝ v = 0 + ( 8 × 1.5 )

➝ v = 0 + 12 .0

➝ v = 12 m/s

For, acceleration :

➝ v² - u² = 2as

➝ ( 12 )² - ( 0 )² = 2 × 8 × s

➝ 144 - 0 = 16s

➝ 16 s = 144

➝ s = 144 / 16

➝ s = 9m

\( \dag\) Since, we take displacement in terms of distance in some places, therefore we can say that the height from which the object was dropped is 9 meters .

Answer:

a good person is somebody who is not bad who is good nice good humanity

A. The energy associated with the magnetic field of the solenoid is 1.08 × 10^-4 J.

The energy associated with the magnetic field of a solenoid can be calculated using the formula U = (1/2)LI^2, where U is the energy, L is the inductance, and I is the current.

The inductance of a solenoid can be calculated using the formula L = μ0n^2A/l, where μ0 is the permeability of free space (4π × 10^-7 T·m/A), n is the number of turns per unit length, A is the cross-sectional area of the solenoid, and l is the length of the solenoid.

Substituting the given values, we get L = 1.93 × 10^-4 H. Thus, the energy associated with the magnetic field is U = (1/2)(1.93 × 10^-4)(2.14)^2 = 1.08 × 10^-4 J.

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Answer:1. Using the following formula, we can calculate the kinetic energy of a 1500 kg tow-mapping truck moving at a speed of 31.0 m/s: KE is equal to 0.5 * m * v2, where m is the object's mass and v is its speed.

By entering the data, we obtain the following equation: KE = 0.5 * 1500 kg * (31.0 m/sec) * 2 = 0.5 * 1500 kg * 961 m2/sec * 2 = 723,500 J

Therefore, the 1500 kg Tow-Mater Truck's kinetic energy at 31.0 m/sec is 723,500 J.

2. To determine the height of the cliff, we use the formula: PE = mgh, where m is the mass of the base jumper, g is the acceleration due to gravity (9.8 m/s^2), and h is the height of the cliff.

Given that the base jumper has 16,800 J of potential energy, we can rearrange the formula to find h: h = PE / (m * g) = 16,800 J / (68.0 kg * 9.8 m/s^2) = 20.6 m

So, the base jumper is 20.6 meters above the base of the cliff.

Explanation:

Answer:

1.  

energy : KE = units J

mass: m = 1500m unit

velocity: v = 31v unit m/s

Answer:

KE = 720750 J

2.

energy: KE = 16800 KE unit

mass:  m = 68.0m unit

= V

Answer:

v = 22.228757209048 m/s