3 resitor is connected in series to a 6 resior and a 12-v battery.what is the current in each of the resistors ? what is the voltage drop across each resitor?

Answer:

Hey, the answer is Zirconium-93

Explanation:

Im very positive about this question, so i hope I helped you ;p

Answer:

Zirconium-93

Explanation:

when we add up the 40 protons and 53 neutrons it gives 93 and a protons and neutron 93 gives a Zirconium-93

Thanks theres your answer

Answer:

1.2m/s

Explanation:

two speeds added together divided by total time.

Answer:

Charges B and C are negative

Explanation:

• We are certain of a law of magnetism that states "Field lines move from positive charge to negative charge"

\({}\)

Answer:

B and C are negative.

Explanation:

This is because according to the law of charges in electric field line it says that the lines forming the electric field move from the positive terminal to the negative terminal,hence making B and C be negative as the lines are moving into them.

Energy absorbed by the radiologist is 1.775*10^-6J.

To find the answer, we have to know about the radiation.

           \(D=\frac{E}{m}\)

where; E is the energy absorbed and m is the mass of the body.

         \(E=D*m=2.5*10^{-6}J/kg*71kg=1.775*10^{-4}J\)

Thus, we can conclude that, the Energy absorbed by the radiologist is 1.775*10^-6J.

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Part A: The angular momentum of each particle about the origin

Part B: The total angular momentum of the four-particle system is 0.95 kg.m²/s.

The expression used to calculate angular momentum L is:

                             L = r x mv

Here, r is the position vector of the object m is the mass and v is the velocity vector.

According to the superposition principle, the resultant angular momentum due to many particles is the vector sum of the individual angular momentum.

L = L₁ + L₂ + L₃ + ...

Here, L₁ is the angular momentum of a particle, L₂ is the angular momentum of the particle, and so on.

In the question

Mass of a particle = 5.0 kg

vector r = (2.0i - 3.0j) m

vector v = (3.0i) m/s

Part A (seen in the picture for instruction)

For particle 1

The position vector is 2.0j m

Substitute 0.10 kg from m₁, 2.0j from r, and 2.0i m/s for v₁ in the expression of angular momentum

L = r x mv

L₁ = (2.0jm) x [(0.10 kg)( 2.0i m/s)]

L₁ = -4.0 kg.m²/s

The angular momentum for the first particle is -4.0 kg.m²/s.

For particle 2

Position vector is (2.0i - 2.0j) m

Substitute 0.20 kg from m₂, (2.0i - 2.0j) m from r, and (3.0i - 3.0j)m/s for v₂ in the expression of angular momentum

L₂ = (2.0i - 2.0j) m x [ (0.20 kg) (3.0i - 3.0j) m/s]

L₂ = 0

The angular momentum for the second particle is 0

For particle 3

The position vector is (-3.0i + 1.0j) m.

Substitute 0.30 kg from m₃,  (-3.0i + 1.0j) m from r, and  -5.0j m/s for v₃ in the expression of angular momentum

L₃ = (-3.0i + 1.0j) m x [((-3.0i + 1.0j) m) ( -5.0j m/s)]

L₃ = 1.35 kg.m²/s

The angular momentum for three particles is 1.35 kg.m²/s.

For particle 4

The position vector is 4.01i m.

Substitute 0.40 kg from m₄, 4.0i m from r, and -4.0i m/s for v₄ in the expression of angular momentum

L₄ = (4.0i m) x [(0.40 kg) (-4.0i m/s)

L₄ = 0

The angular momentum for four particles is 0.

Part B

Formula used: L = L₁ + L₂ + L₃ + L₄

The total angular momentum of the four-particle system is calculated as follows:

By superposition principle

L = L₁ + L₂ + L₃ + L₄

L = -4.0 kg.m²/s + 0 + 1.35 kg.m²/s + 0

L = 0.95 kg.m²/s

Hence, the total angular momentum of the four-particle system is 0.95 kg.m²/s.

Your question is incomplete but most probably your full question was:

Suppose the particles in the preceding problem have masses m₁ =0.10 kg, m₂=0.20 kg, m₃ = 0.30 kg, m₄ = 0.40 kg. The velocities of the particel are  v₁= 2.0i m/s,v₂= (3.0i - 3.0j) m/s,  v₃= - 1.5j m/s,  v₄= -4i m/s.

(a) Calculate the angular momentum of each particle about the origin.

(b) What is the total angular momentum of the four-particle system about the origin?

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The true statements about electric motion are:

An electrical device that transforms electrical energy into mechanical energy is an electric motor. The majority of electric motors work by creating force in the form of torque imparted to the motor shaft through the interplay of the magnetic field of the motor and electric current in a wire winding.

Electric generators function with a reversed power flow, transforming mechanical energy into electrical energy, and are mechanically identical to electric motors.

Electric motors can be powered by alternating current (AC) sources like a power grid, inverters, or electrical generators or by direct current (DC) sources like batteries or rectifiers.

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Answer:

A green object will absorb all but green light and reflect green light.

Explanation:

Green objects appear to be green because they reflect green light.

All other colors are absorbed.

The wavelength of the waves is 48 meters, the frequency of the waves is approximately 0.1515 Hz, and the speed of the waves is approximately 7.272 m/s.

To determine the wavelength, frequency, and speed of the waves, we can use the formula:

v = λf

where:

v is the speed of the wave,

λ is the wavelength of the wave, and

f is the frequency of the wave.

Given:

Time for one complete vibration cycle (T) = 6.6 seconds

Distance between piers (d) = 24 meters

First, we need to find the frequency (f) of the waves:

Since the time for one complete vibration cycle is equal to the period (T), we have:

T = 1/f

Rearranging the equation, we find:

f = 1/T

Substituting the given value:

f = 1/6.6

f ≈ 0.1515 Hz (rounded to four decimal places)

Next, we can find the wavelength (λ) of the waves:

λ = 2d

Substituting the given value:

λ = 2 * 24

λ = 48 meters

Finally, we can find the speed (v) of the waves:

v = λf

Substituting the calculated values:

v = 48 * 0.1515

v ≈ 7.272 m/s (rounded to three decimal places)

Therefore, the wavelength of the waves is 48 meters, the frequency of the waves is approximately 0.1515 Hz, and the speed of the waves is approximately 7.272 m/s.

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Answer:

See below

Explanation:

Distance traveled = 15 + 30 = 45 km

Displacement (use Pythag theorem)

    15^2 + 30^2 = d^2      d = sqrt (1125) = 33.5 km

The equivalent resistance between points A and B in the diagram is 22 Ω

We shall begin by obtaining the equivalent resistance in parallel (i,e the three 6 Ω resistor). Details below:

1/Rₜ = 1/R₁ + 1/R₂ + 1/R₃

1/Rₜ = 1/6 + 1/6 + 1/6

1/Rₜ = 3/6

1/Rₜ = 1/2

Rₜ = 2 Ω

Finally, we shall determine the equivalent resistance between A and B (i.e series arrangement). Details below:

R = R₁ + R₂ + R₃ + R₄ + R₅ + R₆ + R₇ + R₈ + R₉ + R₁₀ + R₁₁

R = 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2

R = 22Ω

Thus, we can conclude that the equivalent resistance is 22 Ω

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When an ant crawls 500 cm north, 300 cm west, 200 cm south, then 300 cm east, the distance traveled will be 1300cm.

Distance = 500 + 300 + 200 + 300

Distance = 1300cm

In a different sense, the path an object takes to traverse a certain distance while maintaining a specific speed from one point to another is known as the distance travelled. As was previously said, the distance formula combines time, speed, and distance.

Speed times time equals distance.

The entire path an object has taken can be used to define the distance of an object. For instance, if an automobile travels 5 km east, then turns to head north for another 8 km, the final distance will be 13 km.

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Answer:

serial in which container is filled

Solid -base of container

Liquid- above solid

Gas- above liquid

Explanation:

If any mixture of  matter in different state (that solid , liquid or gas )are kept in any container, then substance with higher density will be settled at lowest surface first and similarly the substance with lowest density will be at upper part of container.

In the given container we have to keep solid, liquid and gas

based on this

solid will be at surface of container

above sold will be liquid

above liquid will be presence of Gas

serial in which container is filled

Solid -base of container

Liquid- above solid

Gas- above liquid

\(\pink{\bigstar}\) The acceleration of the wheelchair is \(\large\leadsto\boxed{\tt\purple{0.5625 \: m/s^2}}\)

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

We know,

• Third Equation of Motion:-

\(\pink{\bigstar}\) \(\large\underline{\boxed{\bf\green{v^2 - u^2 = 2as}}}\)

where,

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

• Substituting the values in the Formula:-

➪ \(\sf (1.5)^2 - (0)^2 = 2 \times a \times 2\)

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

➪ \(\sf 2.25 - 0 = 4 \times a\)

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

➪ \(\sf 2.25 = 4 \times a\)

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

➪ \(\sf a = \dfrac{2.25}{4}\)

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

★ \(\large{\bold\red{a = 0.5625 \: m/s^2}}\)

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

Therefore, the acceleration of the wheelchair is 0.5625 m/s².

Not even a week. If you looking for a number it would be 0.00051091. Again not even a week.

Answer:

0.000510913 weeks...

Not even one week.

Answer:

3.75 m/s

Explanation:

Given that a bumblebee is flying to the right when a breeze causes the bee to slow down with a constant leftward acceleration of magnitude 0.50 m/s^2. After 2.0 s the bee is moving to the right with a speed of 2.75 m/ s

What was the velocity of the bumblebee right before the breeze?

Since the breeze blows with the acceleration of 0.5 m/s^2 for 2 seconds, we can calculate the magnitude of the velocity at which it moves.

Acceleration = velocity/ time

Substitute the acceleration and time into the formula

0.5 = V/2

Cross multiply

V = 2 × 0.5

V = 1 m/s

The bumblebee is travelling right ward while the wind travels leftward.

The relative velocity = 2.75 m/s

Let the bumblebee speed = Vb

While the wind = VW

Vb - Vw = 2.75

Substitute the wind speed into the formula

Vb - 1 = 2.75

Vb = 2.75 + 1

Vb = 3.75 m/s

Therefore, the velocity of the bumblebee right before the breeze is 3.75 m/s

Answer:

True

Explanation:

Solids, Liquids, and Gases are all make up of atoms and molecules.

Answer:

heart, lungs, blood vessels

Explanation:

The hydrogen atom will have 5 values for the azimuthal quantum number, l.

i) A group of quantum states of the hydrogen atom has the principal quantum number as,

n = 5.

Therefore, the possible values of the azimuthal quantum number of the hydrogen atom, l will be,

l = 0, 1 ,2, ..., (n - 1) = 0, 1, 2, ..., (5 - 1) values

l = 0, 1, 2, 3, 4

So, the hydrogen atom will have 5 values for the azimuthal quantum number.

ii) Given that,

The principal quantum number of hydrogen atom, n = 5

Azimuthal quantum number of the hydrogen atom, l = 3

Therefore, the possible values of magnetic quantum number, m will be,

m = -l, ..., 0, ...+l

m = -3, -2, -1, 0, 1, 2, 3

So, the hydrogen atom will have 7 values for the magnetic quantum number.

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Answer:

1cm=10mm

10cm/0.125mm

80pages

The given condition for a 100% efficient  step down transformer is not true.

Because there are fewer turns in the secondary winding of a step-down transformer, the secondary voltage is lower than the initial voltage. As a result, this kind of transformer is employed to reduce the voltage to the levels intended for the circuit. Almost all power supply incorporate a step-down transformer to keep the operating voltage range of the circuit within acceptable limits. Electronic transformers and distribution systems are often where these transformers are installed (power transformers).

Using the system voltage and current, we can calculate the power of a transformer. Volt-Amps, or VA, is the unit used to measure the power in a transformer (for larger transformers Kilo Volt-Amps, kVA).

Any transformer should, in theory, have constant power on both sides, which implies that the power available on the secondary side of the transformer should match the power available on the primary side. This also applies to step-down transformers. A step-down transformer's secondary side has a lower voltage than its primary side, hence in order to balance the transformer's total power, the secondary current would need to be increased.

In a step-down transformer, the output current is greater than the input current while the output voltage is lower than the primary voltage.

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Answer:

#A

Acceleration=a

\(\\ \tt\hookrightarrow a=\dfrac{v-u}{t}=\dfrac{8}{4}=2m/s^2\)

#B

\(\\ \tt\hookrightarrow a=\dfrac{0-8}{4}=\dfrac{-8}{4}=-2m/s^2\)

Answer(s):

Solution for Practice-A:

We know that:

Solution:

Hence, the acceleration is 2 m/s for practice A.

Solution for Practice B:

We know that:

Solution:

Hence, the acceleration is -2 m/s for practice B.

Hoped this helped!

Answer:

Three (3).

Explanation:

The octet rule is a rule in chemistry that states that, chemical elements would either gain or loss electrons in their outermost shell in order to attain a stable electronic configuration i.e having eight (8) valence electrons in their outermost shell such as chemical elements found in group 8 (2-8-8) known as noble gas.

A phosphorus atom needs to gain three (3) electrons to achieve a full octet because the atomic number of phosphorus is 15 and as such it has the electronic configuration of 2-8-5 and needs three electron in order to become a stable element.

Water: The motion of the water molecules initially decreased when the ice cubes were added to the water bottle, which caused the water to become cold.

As time passed during the hike, the motion of the water molecules may have increased due to exposure to higher temperatures and agitation during transport.

Ice: The ice cubes initially had a low motion of molecules due to being frozen solid. As time passed during the hike and the ice cubes were exposed to higher temperatures, their molecules began to gain more motion, causing the ice to melt.

Beans: The motion of the molecules in the beans increased as the pot was placed over the fire and heated. This caused the beans to become hot and cooked.

Hot dog: The motion of the molecules in the hot dog increased as it was heated over the fire. This caused the hot dog to become hot and cooked.

Lastly, Hot Chocolate: The motion of the molecules in the hot chocolate initially decreased as it cooled to room temperature. When Carly drank the cold hot chocolate, the motion of the molecules in her mouth may have increased due to the temperature difference, providing a warming sensation.

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In a dentist's office an x-ray of a tooth is taken using x-rays that have a frequency of 7.31 × 1018 hz. The wavelength of these X-rays in a vacuum is approximately 4.11 × 10^-11 meters.

To calculate the wavelength of X-rays with a frequency of 7.31 × 10^18 Hz, we can use the equation:

c = λν

where c is the speed of light in a vacuum, λ is the wavelength, and ν is the frequency. The speed of light in a vacuum is approximately 3 × 10^8 meters per second (m/s).

Rearranging the equation, we have:

λ = c/ν

Plugging in the values, we get:

λ = (3 × 10^8 m/s)/(7.31 × 10^18 Hz)

Simplifying the expression, we have:

λ ≈ 4.11 × 10^-11 meters

Therefore, the wavelength of these X-rays in a vacuum is approximately 4.11 × 10^-11 meters.

X-rays have very short wavelengths, which allows them to pass through soft tissues but get absorbed by denser materials like teeth. In a dentist's office, X-rays are used to create images of teeth, providing valuable information for diagnosing dental issues.

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Sure! Volume defects refer to irregularities or imperfections that occur within the volume of a material. These defects can be caused by a variety of factors, including impurities, uneven cooling or solidification, and mechanical stresses.

One common example of a volume defect is porosity, which occurs when small voids or pockets of gas become trapped within a material during its formation. Another example is shrinkage, which happens when a material undergoes uneven cooling or solidification, causing it to contract and create voids or cracks.

Other types of volume defects can include inclusions (foreign particles or materials that become trapped within a material), grain boundaries (irregularities in the alignment of crystals or grains within a material), and voids (empty spaces or gaps within a material).

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Answer:

solar eclipse

Explanation:

because at that time, the moon completely covers the path and casts its shadow on earth because it is present between sun and earth's path. so, solar eclipse occurs.

hope it helps :)

Answer:solar eclipse

Explanation:

Top one is right <3