Chemical reactions occur due to sharing or transferring of blank. Please help ASAP!!!!

In a series circuit, components are connected end-to-end in a single path, so the current flows through each component in turn. And in a parallel circuit, components are connected in multiple paths, so the current can flow through more than one path simultaneously.

1. Series Circuit:
To measure the potential difference across a resistor in a series circuit, follow these steps:

a. Turn off the power source.
b. Connect the positive terminal (red) of the voltmeter to one end of the resistor.
c. Connect the negative terminal (black) of the voltmeter to the other end of the resistor.
d. Turn on the power source.
e. Read the voltmeter to determine the potential difference across the resistor.

2. Parallel Circuit:
To measure the potential difference across a resistor in a parallel circuit, follow these steps:

a. Turn off the power source.
b. Connect the positive terminal (red) of the voltmeter to the node where the resistor is connected to the power source.
c. Connect the negative terminal (black) of the voltmeter to the node where the resistor is connected to the ground or the return path of the circuit.
d. Turn on the power source.
e. Read the voltmeter to determine the potential difference across the resistor.

Remember that the voltmeter should always be connected in parallel with the component (in this case, the resistor) to accurately measure the potential difference.

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Answer:

20 kg

Explanation:

Momentum = mv  =

   200 = m * 10

    m = 20 kg

The magnitude of the charge on the ball is 0.72 μC.

The magnitude of the charge on the ball is calculated by applying Newton's second law of motion Coulomb's law as follows;

Mathematically, the formula for Newton's second law of motion and coulomb's law is given as;

F = mg

F = kq²/r²

where;

kq²/r² = mg

q² = ( mgr² ) / ( k )

q = √ ( mgr² / k )

The magnitude of the charge on the ball is calculated as follows;

q = √ ( 0.003 x 9.8 x 0.4² / 9 x 10⁹ )

q = 7.2 x 10⁻⁷ C

q = 0.72 x 10⁻⁶ C = 0.72 μC

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Answer:

no one help you this is bad app

Explanation:

First you have to warm up the ice to melting point ....melt it ....then heat the water to boiling point.....boil it to steam ...then heat the steam to 118 C

35 g = .035 kg

.035 kg (  2090  J  /( kg C) * (12C)  +  3.33 x 10^5 J/kg  +  4186 J/(kg C) * 100 C   +  2.26 x 10^6 J/kg   +  2010 J/(kg C) * 18 C ) =

  107550.1 J     round as appropriate

Answer: 3

Explanation:

Reduction in temperature slows down the rate at which an action potential is transmitted from one cell to another.

An excitable cell, such as a neuron or a muscle cell, undergoes a rapid change in its membrane potential, which is referred to as an action potential.

A number of different parameters, such as the degree of myelination, the width of the axon, and temperature, can all have an effect on the speed with which an action potential can spread down an axon.

The speed at which an action potential is transmitted along an axon can be increased both by increasing the myelination of the axon and the diameter of the axon. On the other hand, a reduction in temperature slows down the rate at which an action potential is transmitted from one cell to another.

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Answer:

Solution given:

No of waves[N] =20crests & 20 troughs

=20waves

Time[T]=4seconds

distance[d]=3cm=0.03m

Now

Wave length=3cm=3 × \( {10}^{ - 2}m \)

Frequency=\( \frac{No of waves}{time}\)

=\( \frac{20}{4} \)=5Hertz

and

Wave speed:wave length×frequency=3 × \( {10}^{ - 2}m \)×5=1.5 × \( {10}^{ - 1} \tt{ {ms}^{ - 1}} \).

Answer:

4.8 A

Explanation:

Voltage = current x resistance

(V = IR)

12 = I (0.5 +2)

I = 4.8 A

Answer:

Explanation:

The total distance covered by the car will be the sum total of the distance moved during the journey.

Distance moved towards east = 5 km

Distance moved towards west = 48km

Total distance covered = Distance moved towards east+Distance moved towards east

Total distance covered  = 5km+48km

Total distance covered  = 53km

Hence the total distance a car would travel if it moves 5 km East and then turns and travels 48 km West is 53km

The calculated frequency is 46 Hz since Wave speed, frequency, and wavelength are related by the equation v = f because the frequency, f, is 1/T.

The distance between two adjacent crests can be used to calculate a transverse wave's wavelength. The distance between two adjacent compressions can be used to calculate the wavelength of a longitudinal wave.

Speed is calculated using the formula v = / T. Wave speed, frequency, and wavelength are related by the equation v = f because the frequency, f, is 1/T.

f= 46 Hz

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The resistance of the silver wire at 33.0°c is 10.532 ω.

The resistance of a certain silver wire at 33.0°c can be calculated using the formula R = R₀(1 + αΔT), where R is the resistance at the desired temperature, R₀ is the resistance at the initial temperature, α is the temperature coefficient of resistance, and ΔT is the change in temperature.

For silver, the temperature coefficient of resistance is 0.0038 (°C⁻¹).

Therefore, the resistance of the silver wire at 33.0°c can be calculated as follows:

R = 10.00 ω (1 + 0.0038 (33.0°c - 19.0°c))

R = 10.00 ω (1 + 0.0038 (14.0°c))

R = 10.00 ω (1 + 0.0532)

R = 10.00 ω (1.0532)

R = 10.532 ω

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Answer:dam hold up

Explanation:

it would take about 3.26 million years to travel 3.26 million light-years at the speed of light.

To calculate the time it takes to travel 3.26 million light-years at the speed of light, we can use the formula:

time = distance / speed

where distance is given in light-years and speed is given in km/s.

Converting the distance to kilometers:

1 light-year = 9.461 x \(10^1^2 k\)m

3.26 million light-years = 3.26 x\(10^6\) light-years

\(Distance = 3.26 x 10^6 light-years * 9.461 x 10^12 km/light-year = 3.08 x 10^19 km\)

Plugging in the values:

time = distance / speed = (3.08 x \(10^1^9\)km) / (300,000 km/s) = 1.03 x \(10^1^4\)\(10^1^9\)seconds

Converting seconds to years:

1 year = 31,536,000 seconds (approx.)

\(1.03 x 10^14 seconds = (1.03 x 10^14) / (31,536,000) years = 3.26 million years (approx.)\)

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Answer:

7 1/2m/s/s

Explanation:

37-22=15

15/2=7 1/2

Answer: The rate of reaction B is higher

Explanation:

Just done the test, got it right.

The reaction b has the higher rate than a.

The pace at which the products are created from the reactants in a chemical reaction is referred to as the rate of reaction.

Here,

An indication of how quickly a reaction can be completed can be found in the reaction rate.

We can devise strategies to increase production by learning how quickly things are made and what slows down reactions.

As reactant concentrations fall over time, reaction rates often decrease as well. The reciprocal of the time required determines the rate of a reaction, or stage in a reaction.

R ∝ 1/t

Since, the rate of reaction is inversely proportional to the time, we can say that, the reaction b which was completed in lesser time compared to a, has the higher rate.

Hence,

The reaction b has the higher rate than a.

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Answer: Take a picture of the question please

Explanation:

Robert uses a spring scale to measure force. The unit of his measurement is newtons.

In material science, a power is an impact that can change the movement of an item. A power can make an item with mass change its speed, i.e., to speed up. Power can likewise be portrayed naturally as a push or a force. Logicians in classical times involved the idea of power in the investigation of fixed and moving articles and basic machines, yet scholars, for example, Aristotle and Archimedes held crucial mistakes in grasping power. To a limited extent this was because of a deficient comprehension of the occasionally non-clear power of erosion, and a thusly lacking perspective on the idea of normal movement.

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Answer:

Explanation:

The amount of energy needed to apply a force of 1 newton over a distance of 1 meter is also called a joule. The joule (symbol: J) is the SI derived unit of energy. It is the energy transferred to an object when a force of one newton acts on that object in the direction of its motion through a distance of one meter. It is also the amount of energy required to heat 1 gram of water by 1 degree Celsius.

The image A shows the direction of the transfer of heat from the ice to the walls of the freezer.

As we approach the question that we here, the first law of thermodynamics would come to our minds, we know that energy can not be created nor destroyed but we can be able  to convert the energy from one form to the other.

In this case, we know that the temperature of the walls of the refrigerator is about  −10°C while the ice is at a temperature of about  0°C. This means that the ice would have a temperature that is higher and then the walls of the fridge.

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The bullet will hit the ground after about 5.52 seconds, and it will land approximately 1603.44 meters away from the gun .

We need to use the given equation for the trajectory of the bullet, which is:

y = xtanθ - (gx²)/(2v²cos²θ)

Where y represents the height of the bullet, x is the distance it travels horizontally, θ is the angle of elevation (in radians), g is the acceleration due to gravity (9.8 m/s²), and v is the initial velocity of the bullet.

To find when the bullet hits the ground, we need to set y = 0 and solve for x:

0 = xtanθ - (gx²)/(2v²cos²θ)

x = (v²/g)cos²θ(tanθ ± √(tan²θ + 2gy₀/v²cos²θ))

Where y₀ is the initial height of the bullet (which we assume to be zero).

Since we're interested in when the bullet hits the ground, we want the positive solution for x:

x = (v²/g)cos²θ(tanθ + √(tan²θ + 2gy₀/v²cos²θ))

To find how far from the gun the bullet hits the ground, we substitute this value of x into the original equation for y:

y = (v²sin²θ)/(2g) - (vxsinθ)/g

Again, since we're interested in when the bullet hits the ground, we want y = 0:

0 = (v²sin²θ)/(2g) - (vxsinθ)/g

x = (v²sinθ)/(2g)

Now we can substitute this value of x into the equation we found earlier:

x = (v²cosθ/g)(tanθ + √(tan²θ + 2gy₀/v²cos²θ))

Plugging in the given values (θ = 30° = π/6 radians, v = 300 m/s, and y₀ = 0), we get:

x ≈ 1603.44 meters (rounded to the nearest meter)

And the time it takes for the bullet to hit the ground is:

t = x/(vcosθ) ≈ 5.52 seconds (rounded to two decimal places)

Therefore, the bullet will hit the ground after about 5.52 seconds, and it will land approximately 1603.44 meters away from the gun.

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Answer:120700.8

Explanation:

(a) The maximum stress at a point on the inside of the transverse hole in a solid shaft of diameter 2.5-in with a 0.5-in diameter hole and 60 kip-in torque is 18.25 ksi, using Table A-16.

(b) The maximum stress in a hollow shaft of an outside diameter 2.5-in and inside diameter 1.5-in with a 0.5-in diameter hole and 60 kip-in torque is 16.19 ksi, using the formula for maximum shear stress in a hollow shaft.

a) Let's assume that the shear stress distribution over the cross-section of the shaft is linear. Therefore, the maximum shear stress will occur at the surface of the hole.

The torque on the shaft is given by:

T = 60 kip.in

The polar moment of inertia of the shaft is:

J = π/32 (\(D^4 - d^4\)) = π/32 ((\(2.5)^4\) - (\(0.5)^4\)) = 3.505 \(in^4\)

where D is the diameter of the shaft and d is the diameter of the hole.

The maximum shear stress τmax is given by:

τmax = Tc / J

where c is the shaft radius, c = D/2.

τmax = (60 kip.in) (1.25 in) / (3.505 \(in^4\)) = 21.4 ksi

Using Table A-16, we can see that the maximum allowable shear stress for a shaft made of cold-drawn steel is 30 ksi. Therefore, the stress is within the allowable limit.

(b)Now, let's consider a hollow shaft with an outer diameter of 2.5 in and an inner diameter of 1.5 in. The polar moment of inertia of the hollow shaft is:

J = π/32 (\(D^4 - d^4\)) = π/32 \(((2.5)^4 - (1.5)^4) = 1.376 in^4\)

The maximum shear stress τmax is given by:

τmax = Tc / J

where c is the radius of the shaft, c = (D + d)/4 = 1.5 in

τmax = (60 kip.in) (1.5 in) / (\(1.376 in^4\)) = 65.5 ksi

Using Table A-16, we can see that the maximum allowable shear stress for a shaft made of cold-drawn steel is 30 ksi.

Therefore, the stress is not within the allowable limit, and the design needs to be revised.

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Answer:

200 m / min

Explanation:

Total distance = 2000 m

Total time = 2+4+1+3 = 10 minutes

Average speed = 2000 m / 10 min = 200 m/min

Answer:

F = 987600 N

Explanation:

Force Equation

F=ma

Newton's second law states that force is proportional to what is required for an object of constant mass to change its velocity. This is equal to that object's mass multiplied by its acceleration. We use Newtons, kilograms, and meters per second squared as our default units, although any appropriate units for mass (grams, ounces, etc.) or velocity (miles per hour per second, millimeters per second2, etc.) could certainly be used as well - the calculation is the same regardless.

Solve

F = m * a

F = 100 kg * 9876 m/s2

F = 987600 N

Newtons are derived units, equal to 1 kg-m/s². In other words, a single Newton is equal to the force needed to accelerate one kilogram one meter per second squared.

When an ambulance with a siren emitting a whine at 1600 Hz overtakes and passes a cyclist pedaling a bike at 2.44m/s, the cyclist hears a frequency of 1590 Hz. the speed of The ambulance is 2.44625 m/s.

Since the cyclist is moving in the same direction as the ambulance, the relative speed between the two is the difference in their speeds.

Therefore, The relative speed between them is v = 1600 - 1590 = 10 Hz

For the observer, the ambulance appears to be moving away from him because the frequency heard by him is less than the actual frequency emitted by the ambulance.

 As per the Doppler effect, the following formula can be used to determine the relative velocity between the source and observer:

v = (f₂ - f₁) / f₁

where v is the relative velocity between the source and observer, f₁ is the frequency of the source, and f₂ is the frequency heard by the observer.

Substituting the given values in the above formula, we get:

v = (1590 - 1600) / 1600 = -0.00625

The relative velocity is negative because the ambulance is moving away from the cyclist.

As the cyclist is moving at 2.44 m/s, and the relative velocity between the two is -0.00625, the velocity of the ambulance can be determined as follows:

v = 2.44 - (-0.00625) = 2.44625 m/s

Therefore, the speed of the ambulance is 2.44625 m/s.

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Answer:

Explanation:

Work = Force times displacement. Therefore,

W = 3150(75.5) so

W = 238000 N*m

Answer:

5 m/s

Explanation:

hope it helps:) u're welcome

The velocity of the duck must be 15 m/s towards the east which is explained below.

The force on a moving charge with some velocity under a magnetic field is given by:

F = qv×B

here q is the charge on the object

v is the velocity of the object

B is the magnetic field

v×B gives the direction of the force

B is towards the north, and Force is directed upwards, then velocity v should be towards the east.

3×10⁻¹¹ = 4×10⁻⁸× v × 5×10⁻⁵

v = 15 m/s

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