Describe the shape of a field created by a bar magnet

Answer:

Deoxyribonucleic acid

Explanation:

Answer:

Deoxyribonucleic acid

Explanation: Hopes that helps

Answer:

\(a = \frac{v_{f} - v_{i}}{t} \\ = \frac{77 - 5}{8} = \frac{72}{8} \\ \boxed{a = 9 \: m. {sec}^{ - 2} }\)

Answer:

I think its uniform I dont really know

Answer:

80/1

Explanation:

to figure out the answer of how many miles/meters per second divide the meters/miles by the second

so 400÷5 would be 80

80 meters per second

hope this helps :))

Answer:

(1) V = 0.2 J (2) 0.05J

Explanation:

Solution

Given that:

K = 160 N/m

x = 0.05 m

Now,

(1) we solve for the  initial potential energy stored

Thus,

V = 1/2 kx² = 0.5 * 160 * (0.05)²

Therefore V = 0.2 J

(2)Now, we solve for how much of the internal energy is produced as the toy springs up to its maximum height.

By using the energy conversion, we have the following

ΔV = mgh

=(0.1/9.8) * 9.8 * 1.5 = 0.15J

The internal energy = 0.2 -0.15

=0.05J

By Using Euler's method with two steps, we can find the approximate value of Y(2) is 2.125. , where Y is the solution of the initial value problem dy/dx = x - y, and Y(1) = 3.

Euler's method is defined as a numerical technique which is  used to approximate solutions into ordinary differential equations. The method includes dividing the interval of interest into smaller steps and thereafter approximating the solution at each step by using the derivative of the function.

In this case, we are given the initial value problem dy/dx = x - y, with the initial condition Y(1) = 3. To approximate Y(2) using Euler's method with two steps, we will divide the interval [1, 2] into two equal steps.

Step 1:

We start with the initial condition Y(1) = 3. Using the differential equation dy/dx = x - y, we can approximate the value of Y at the midpoint of the interval [1, 2].

Using the step size h = (2 - 1) / 2 = 0.5, we can calculate Y(1.5) as follows:

Y(1.5) ≈ Y(1) + h × (x - y) = 3 + 0.5 × (1.5 - 3) = 3 + 0.5 × (-1.5) = 2.25

Step 2:

Now, using the value of Y(1.5) as the new approximation, we calculate Y(2) using the same process:

Y(2) ≈ Y(1.5) + h × (x - y) = 2.25 + 0.5 × (2 - 2.25) = 2.25 + 0.5 × (-0.25) = 2.125

Thus,  by using Euler's method with two steps, the approximate value of Y(2) is 2.125.

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The complete question is

Use Euler's Method With Two Steps To Approximate Y(2), Where Y Is The Solution Of The Initial Value Problem: Dy : X − Y, Y(1) = 3

Answer:

Explanation:

This is a 2D problem (parabolic) so we have to think that way. We have to split up the problem into its 2 dimensions to solve it. Think "y-stuff" and "x-stuff".

In the y-stuff category:

v₀ = 0 (initial upwards velocity is 0 since we are told the penny is thrown horizontally)

Δx = -10.0 m (this displacement is negative because the penny lands 10.0 m below the point from which it was thrown)

a = -9.8 m/s/s

t = ? (we need to find the time in this dimension so we can use it in the x dimension to find the displacement, our unknown)

In the "x-stuff" category:

v₀ = 7.25 m/s (this is given)

Δx = ???

a = 0 (acceleration in this dimension is ALWAYS 0)

t = (we will solve for this in the y-dimension and plug it in here).

In the y dimension:

Δx = v₀t + \(\frac{1}{2}at^2\) and plugging in from the y-dimension info:

\(-10.0=0t+\frac{1}{2}(-9.8)t^2\) which simplifies to

\(-10.0=-4.9t^2\) so

\(t=\sqrt{\frac{-10.0}{-4.9} }\) which, to 2 significant digits is

t = 1.4 seconds

Now we will do the same in the x-dimension, using t = 1.4:

Δx = v₀t + \(\frac{1}{2}at^2\) and filling in the x-stuff:

Δx = \(7.25(1.4)+\frac{1}{2}(0)(1.4)^2\) Notice that the stuff after the + sign goes to 0 cuz of the multiplication of 0, so what we are left with is another form of the d = rt equation:

Δx = 7.25(1.4) + 0 so

Δx = 1.0 × 10¹ m (That's rounded correctly to 2 sig dig's: 10 m from the base of the building).

Answer:

30.2

Explanation:

According to the data given in the question the net force on the box is of 5 N.

All of the forces that are applied to an object are added up to form the net force. As a consequence of the fact that it (force) is a vector and therefore that two forces with identical magnitudes and opposing directions cancel each other out, the resultant force is the total of the forces, or put another way, the net force is just the total of all the forces.

Given data :

Force on box to the left side (F1) = 15 N

Force on box to the right side (F2) = 20 N

Because both forces are in opposite direction

Hence,

Net force = F2 - F1

Net force = 20 - 15

Net force = 5 N.

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The voltage at the inverting terminal is 7.5 V. V out is -12.5 V. The current flowing through R4 is 0.5 mA.

Given that Vn, Vout, and lout for the circuit shown below and op amp is ideal.In the circuit, current I2 flows through the 2.5 kΩ resistor.

Therefore, the voltage drop across the 2.5 kΩ resistor is given by,

Vn = I2 x R2Vn = 3 mA x 2.5 kΩ = 7.5 V

Therefore, the voltage at the inverting terminal is 7.5 V.

Since op-amp is assumed to be ideal, no current flows into the inverting and non-inverting terminals.

Therefore, current through R3 is given by,

I3 = (Vn - Vout) / R3=> Vout = Vn - I3 x R3=> Vout = 7.5 V - 4 mA x 5 kΩ=> Vout = - 12.5 V

Therefore, Vout is -12.5 V.

Let's calculate the current flowing through R4:

This current will also flow through the 5 kΩ resistor.

Let lout be the current flowing through R4.

Therefore, current through the 5 kΩ resistor is also lout.

Now, I4 + lout = I3=> I4 = I3 - lout=> I4 = 4 mA - lout

Also, I4 = (5 V - Vout) / R4=> 4 mA - lout = (5 V - (-12.5 V)) / 5 kΩ=> 4 mA - lout = 3.5 mA=> lout = 0.5 mA

Therefore, lout is 0.5 mA.

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\(\small\color{blue}{⊱─━━━━━━━━━⊱༻●༺⊰━━━━━━━━━─⊰}\)

state the effect of momentarily touching the conductor with a finger while the charged rod is still near the conductor

\(\small\color{blue}{⊱─━━━━━━━━━⊱༻●༺⊰━━━━━━━━━─⊰}\)

If you have an insulator that's charged up with a negative charge, and you touch a conductor, the negatively charged excess electrons will move to the conductor until the electrons would rather not move anywhere at all. When this happens, we say that the system has reached equilibrium

\(\small\color{blue}{⊱─━━━━━━━━━⊱༻●༺⊰━━━━━━━━━─⊰}\)

-PoliteCat

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\(\large\boxed{\text{Together We Go Far!}}\)

Answer:

it distroy our property house,buildings

(a) The average frequency that you will hear is 461 Hz.

(b) The beat frequency will be 8 Hz.

(a) When two frequencies are played simultaneously, the human ear perceives the average of the two frequencies as the perceived pitch or average frequency. In this case, the two frequencies are 457 Hz and 465 Hz.

To find the average frequency, we can simply take the arithmetic mean of the two frequencies:

Average frequency = (457 Hz + 465 Hz) / 2 = 461 Hz.

Therefore, the average frequency that you will hear is 461 Hz.

b) The beat frequency is the difference between the two frequencies. In this case, the two frequencies are 457 Hz and 465 Hz.

To find the beat frequency, we subtract the lower frequency from the higher frequency:

Beat frequency = 465 Hz - 457 Hz = 8 Hz.

Therefore, the beat frequency will be 8 Hz.

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To answer your question, it's important to clarify that "50 mg/dL" or "0.05 g/dL" are measurements of blood alcohol concentration (BAC) and not directly equal to a specific number of drinks.

As a result, the number of drinks required to reach a BAC of 50 mg/dL (0.05 g/dL) can differ between individuals.
Generally, one standard drink contains about 14 grams of pure alcohol, which can be found in 12 ounces of beer, 5 ounces of wine, or 1.5 ounces of distilled spirits. However, the exact number of drinks it takes to reach a BAC of 50 mg/dL (0.05 g/dL) will depend on a person's specific characteristics and how quickly the drinks are consumed.It's crucial to remember that it's not safe or legal to drive with a BAC of 0.05 g/dL or higher in many countries, as it can impair cognitive and motor functions. Always drink responsibly and arrange for a safe way home if you choose to consume alcohol. BAC levels vary depending on factors such as weight, gender, and individual metabolism.

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(a) The velocity of the object at time t is given by finding the derivative of y (t):

y(t) = -2t2 + t + 10dy(t)/dt

= -4t + 1

Therefore, the velocity of the object at time t is -4t + 1.

(b) The acceleration of the object at time t is given by finding the derivative of the velocity function:

dy(t)/dt = -4t + 1d2y(t)/dt2

= -4

Therefore, the acceleration of the object at time t is -4 m/s2.

(c) The ball hits the ground when y(t) = 0, so we can solve for t by setting -2t2 + t + 10 = 0 and using the quadratic formula:

t = (-b ±  (b2 - 4ac)) / (2a), where a = -2, b = 1, and c = 10.

Plugging these values into the formula, we get:

t = (-1 ±  (12 - 4(-2)(10))) / (2(-2)) = (1 ±  81) / 4

We take the negative root because the positive root corresponds to the ball reaching its maximum height before falling back down. Thus,

t = (1 - 81) / 4

= -2/4

= -0.5 s

To find the velocity of the ball at this time, we plug t = -0.5 into the velocity function we found in part

(a):v = -4t + 1

= -4(-0.5) + 1

= 3 m/s

Therefore, the velocity of the ball at the time it hits the ground is 3 m/s.

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Answer:

Not acted upon there is no motion

Forces acted upon there is motion

You can refer to the definition stated below:

Newton's first law states that every object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the action of an external force. This is normally taken as the definition of inertia. ... If that velocity is zero, then the object remains at rest.

Therefore, about 0.255 grams of nitrogen gas would be needed to pressurize a tire with a volume of 18.0 liters to 32.0 psi at 25 degrees Celsius using pure nitrogen gas.

To solve this problem, we can use the ideal gas law, which states:

PV = nRT

where P is the pressure, V is the volume, n is the number of moles, R is the gas constant, and T is the temperature in Kelvin.

First, we need to convert the volume to cubic meters and the pressure to Pascals:

V = 18.0 L

= 0.018 m³

P = (32.0 - 14.7) psi

= 17.3 psi

= 119310 Pa

Next, we need to calculate the number of moles of nitrogen gas needed:

n = PV/RT

where R = 8.314 J/mol·K is the gas constant for nitrogen gas, and T = 25 + 273 = 298 K is the temperature in Kelvin.

n = (119310 Pa × 0.018 m³) / (8.314 J/mol·K × 298 K)

= 0.0091 mol

Finally, we can calculate the mass of nitrogen gas using its molar mass:

m = n × M

where M = 28.014 g/mol is the molar mass of nitrogen gas.

m = 0.0091 mol × 28.014 g/mol

= 0.255 g

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common exclusions, Due of their catastrophic character, the aforementioned risks—earth movement, landslide, mine material, and mudflow—are not covered by the dwelling insurance.

The Basic Form is designed on a named dangers basis and only covers the risks of fire, lightning, and internal explosion. It excludes theft and damage to trees, shrubs, and plants.

The Dwelling Policy's Coverage C for Personal Property provides coverage for damaged household and personal property that is being transported between the insured's old and new homes.

What is Dwelling Policy's?

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In order to help Scarlett retrieve her toy train from the lake, the wooden fishing rod can be modified or adapted by Attaching a magnet, Adding a hook or grappling device, and Using a net or scoop.

Attaching a magnet: Scarlett can attach a strong magnet to the end of the fishing rod. Since the train contains parts made of steel, the magnet will be attracted to the metallic components. By carefully maneuvering the magnet with the fishing rod, Scarlett can potentially attract and retrieve the train from the water.

Adding a hook or grappling device: Scarlett can affix a hook or grappling mechanism to the fishing rod. By casting the hook near the location where the train fell into the lake and skillfully maneuvering the rod, she can attempt to hook onto the train or one of its parts. With a successful hook, she can slowly reel in the train and bring it back to shore.

Using a net or scoop: If the toy train is floating on the surface of the lake or near the shallow edges, Scarlett can attach a net or scoop to the end of the fishing rod. By carefully positioning the net or scoop around the train, she can scoop it up and safely retrieve it without causing any damage.

It's important to note that the success of these modifications will depend on factors such as the depth of the lake, the accessibility of the train, and the size and weight of the fishing rod. Additionally, adult supervision or assistance may be necessary to ensure safety, especially if the lake is deep or poses any hazards.

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Here, both the momentum and kinetic energy of he ball are conserved. There is no change in the magnitude of the speed thus, its kinetic energy is conserved.

The kinetic energy of an object is the energy generated by virtue  of its motion. It is related to its mass and velocity by the expression written below:

Ke = 1/2 mv²

The momentum of an object is the product of its mass and velocity. For an elastic collision both momentum and kinetic energy is conserved. But in the case of an inelastic collision, there is some energy loss and the kinetic energy is not conserved but momentum is conserved.

Here, the ball bounces by colliding with the floor, where its direction is changing but not the magnitude of speed. Hence, both the momentum and kinetic energy are conserved.

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At reach point 2, the speed V is equal to 24.9 m/s if the average friction force is equivalent to 0.15 of the its weight.

A force that opposes the rolling or sliding of three stationary surfaces over one another. Although frictional forces, such the traction required to walk without falling, may be advantageous, they can provide a significant amount of resistance to motion. the physical contact of two bodies.

The interaction of a car's tires with the road causes friction, specifically three types of friction: rolled friction, starting turbulence, and sliding friction. This friction is what allows humans to operate cars at all.

speed= 1.5m/s

The Initial speed u = 1.5m/s.

point 1 $ point 2 is (39-13) =26m

40 meters is equivalent to an altitude of(40/6) =6.7

kinematics equation v^2 =u^2 + 2as

V^2 = 1.5^2 + 2*9.8 (26 + 6.7)

V = 24.9 m/s

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Lightning might have changed because of climate change and changes in land use

What is a climate change?

Climate change refers to the long-term shifts in global weather patterns, including changes in temperature, precipitation, and wind patterns, caused by human activities such as burning fossil fuels, deforestation, and industrial processes. These changes are leading to rising global temperatures and sea levels, more frequent and severe weather events such as hurricanes, droughts, and floods, and altered ecosystems and habitats for plants and animals.

Therefore, Lightning might have changed because of climate change and changes in land use

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The radioactive half-life is given by:

Where:

All the answers are in the pics I have sent. I hope this will help you. Have a good day!

An alternative way to explain Hubble's Law without relying on the standard Big Bang idea of a universe with no center and no edge is through the concept of a "tired light" hypothesis.

According to this hypothesis, the redshift observed in distant galaxies is not due to their motion away from us in an expanding universe, but rather the result of photons gradually losing energy as they travel through space.

In the tired light scenario, the wavelength of light is thought to stretch over time due to interactions with matter or other unknown processes. As a result, the light from distant galaxies appears redshifted, mimicking the effect of cosmic expansion. This explanation implies that the universe may have a finite size and a center, challenging the notion of an infinite and uniformly expanding universe.

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Answer: body composition is the proportion of fat and non fat mass in your body.

Explanation:

Answer:

Body composition is the percentage of a body's weight

Explanation:

Body composition is the body's amount of fat relative to fat-free mass. Individuals with optimal body composition are typically healthier, move more easily and efficiently, and generally feel better.

Answer:0

Explanation:

All stationary objects have no momentum they do not have any motion to have momentum you need mass and motion

Answer:

the answer to your question is true

Answer:

false

Explanation:

i took the test

Answer:

\(f_n_e_t=0\)

Explanation:

\(f_1+f_2=f_n_e_t\)

because there are two different forces in different directions (left: negative, right: positive, down: negative, up: positive) so 60N left will be negative, and 60N right will be positive:

\(60+(-60)=0\)

when two same forces apllied then the net force is zero.

Answer:

20cm

Explanation:

2 × 5 × 2 = 20

Hope this helps.