Find the equivalent resistance of this circuit. First, what is the equivalent resistance, Req(23), of the parallel combination of R2 and R3?​

Answer:

False

Explanation:

Middle of crest to middle of NEXT CREST is wavelength

Answer:

A True ( I Think Its True I'm Not Intirely sure)

Explanation:

Answer:

true

Explanation:

True.....when you apply the brakes to slow down, your body's inertia wants ot keep moving forward

Answer:

See below ~

Explanation:

Thermodynamics is the branch of science which deals with heat and other forms of energy. Main key terms in this topic include : work, temperature, entropy, etc.

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The function of a heat engine is to convert heat into mechanical energy.

It does this by bringing a working substance from a higher state temperature to a lower state temperature.

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[tex]e_{max} = W_{max} / Q_{max}[/tex]

- Thermodynamics can be applied to many physical systems, as long as the exchange of energy with the medium is known, regardless of the details of the interactions in those systems.

Answer:

to be turned into glycogen not wasted

Explanation:

Since the body has a lot of energy left it will turn that energy into glycogen which is a storage form of glucose which will when neccassary will be converted into glucose from the horomone glucagon and be given to the body to be used as energy so the energy is never wasted

Answer:

The atmospheric pressure is greatest at the bottom of the atmosphere. This is also where the air has its greatest density. Pressure and density decrease with height in the atmosphere. The earth's gravitational field pulls the mass of the atmosphere towards the earth's surface

Since dehydration is due to lack of water, sweating excessively is Not a sign of extreme dehydration.

Dehydration is a condition in which the body lack a enough water necessary for metabolic activities.

Dehydration results in extreme physical conditions of the body such as fatigue.

Some signs of extreme dehydration include:

Therefore, sweating excessively is Not a sign of extreme dehydration.

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Answer:

Here is the answer..hope it helps:)

Answer:

Both waves are mechanical waves

Let's see

For series connection

[tex]\\ \rm\Rrightarrow R_{eq}=R_1+R_2+R_3\dots[/tex]

For parallel connection

[tex]\\ \rm\Rrightarrow \dfrac{1}{R_{eq}}=\dfrac{1}{R_1}+\dfrac{1}{R_2}+\dfrac{1}{R_3}\dots[/tex]

The three resistances are connected in series, their equivalent is equal to the addition of all the resistances. The unknown value of resistance is 1.74 ohm.

The resistance is the opposition offered to the flow of current.

Given the value of resistance R₁ is 1 ohm, R₂ is 68 ohm and R₃ is R.

The total current flowing through the battery of voltage 24 V is 0.20 Amperes.

From the ohms law, The equivalent resistance is

[tex]R_{eq}[/tex] = Voltage / Current

The equivalent resistance is

[tex]R_{eq}[/tex] = R₁+ R₂+R₃

24 / 0.20 = 1+68+R

R = 1.74 ohm

The unknown value of resistance is 1.74 ohm.

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[tex]\qquad\qquad\huge\underline{{\sf Answer}}[/tex]

According to Charles law, if pressure remains constant, volume varies directly with temperature. so we can infer that :

[tex] \qquad\sf{\dfrac{V_1}{T_1}=\dfrac{V_2}{T_2}} [/tex]

So, we can use this formula to find out the final temperature of the gas ~

Note : Take temperature in Kelvin ( 100°C = 373 K )

[tex]\qquad \sf  \dashrightarrow \: \dfrac{3}{373} = \dfrac{6}{x} [/tex]

[tex]\qquad \sf  \dashrightarrow \: x = \dfrac{6}{3} \times 373 [/tex]

[tex]\qquad \sf  \dashrightarrow \: x = 2 \times 373[/tex]

[tex]\qquad \sf  \dashrightarrow \: x =74 6 \: K[/tex]

Now, convert it to Celsius ~

i.e 746 - 273 = 473° C

So, the final temperature of the gas will be equal to 473° C

Answer:

-322.64 J

Explanation:

75 N  * cos 125     *    7.5   =  -322.64 J

Answer:

Option C

Explanation:

Answer:

Choice D

Explanation:

Choice A is incorrect because the sound waves do not form within the body.

Choice B is incorrect because the sound waves echo back, they are not measured on the other side.

Choice C is incorrect because it states that the sound waves bounce off the body. They actually bounce off tissues inside the body, among other things.

Answer:

I think is cookoo because i learn it from web

Explanation:

I found it in web so yea

if air is blown with a speed of 15 m/sec across the top of one side of a u-tube containing water, the difference between the water levels on the two sides is 1.3 cm.

The density is the ratio of the mass and volume of the particular object or liquid.

Applying the Bernoulli's equation across the ends of the tube A and B, we have

[tex]P_{A} = P_{B} - \dfrac{1}{2} \rho Av^{2}[/tex]

Substituting ρ = 1.2 , v = 15 and [tex]P_{B }=P_{0 }[/tex]

[tex]P_{A}= P_{B} -135[/tex]

In the left limb, [tex]P_{A}= P_{C}[/tex]

In the right limb, [tex]P_{D}= P_{o} + \rho g h[/tex]

The pressure at C and D are same.

[tex]P_{D}= P_{C}[/tex]

Substituting from the above equations , we have,

h = -1.3 cm

The height to the left limb is greater.

The difference between the water levels on the two sides is 1.3 cm.

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Answer:

0.0025 sec

Explanation:

Period = 1 / frequency = 1/400 = 0.0025 sec

Comets that come from the Oort cloud have orbits that decay over time, bringing them closer to the sun each year. Option A is correct.

Comets are frozen leftovers from the formation of the solar system composed of dust, rock, and ice.

They range from a few miles to tens of miles wide, but as they orbit closer to the Sun, they heat up and spew gases and dust into a glowing head that can be larger than a plane.

Comets that come from the Oort cloud have orbits that decay over time, bringing them closer to the sun each year.

Hence,option A is correct.

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Answer:

B) have random tilts and orbits, sharing little with each other

Explanation:

Hope this helps, have a great rest of your day/ restful night!

The resistance of the 1000 W microwave oven that gets plugged into a 110 v outlet will be 10 ohms.

Resistance is a type of opposition force due to which the flow of current is reduced in the material or wire. Resistance is the enemy of the flow of current.

The given data in the problem is;

P is the power= 1000 W

V is the voltage= 110 V

I is the current

R is the resistance

The resistance is found by the formula;

[tex]\rm P = \frac{V^2}{R} \\\\ \rm R = \frac{V^2}{P} \\\\ R = \frac{(100)^2}{10000} \\\\ R= 10\ ohm[/tex]

Hence, the resistance value will be 10 ohms.

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Answer:

Microphone

Explanation:

Microphone is the device which converts sound into electrical energy by electromagnetic induction

Answer:

V=w/q V= 1.2/0.4* 10 ^-3 V = 3 * 10 ^ 3 V = 3000 v

if its not correct let me know so I can figure it out

Answer:

Aristotle was blind, therefore could not see change in positions. Aristotle could see no detectable change in the positions of the stars, thought Earth was immovable.

Explanation:

The value of inductance, when N inductor has a peak current of 330 μa when the peak voltage at 44 mhz is 2.8 v, is 8.485×10³ H.

The inductance is the ability or the property of an electric conductor by which it opposes the amount of current flowing from it. It can be calculated with the following formula.

[tex]X_L=\dfrac{V_{rms}}{I_{rms}}[/tex]

Here, V is voltage and I is current value.

N inductor has a peak current of 330 μa when the peak voltage at 44 mhz is 2.8 v. Put the values in the above formula as,

[tex]X_L=\dfrac{V_{rms}}{I_{rms}}\\X_L=\dfrac{2.8}{330\times10^{-6}}\\X_L=8.485\times10^3 \rm \;H[/tex]

Thus, the value of inductance, when N inductor has a peak current of 330 μa when the peak voltage at 44 mhz is 2.8 v, is 8.485×10³ H.

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The energy of the electromagnetic spectrum is not used in mass spectrography to make measurements.

In physics and chemistry, mass spectrometry refers to statistical analytical techniques that allow scientists to determine the mass distribution of various types of molecules based on their mass on a substance.

The energy of the electromagnetic spectrum is not used in mass spectrography to make measurements. The process of mass spectrometry is primarily based on the interaction of molecules with a beam of electrons (rather than photons) and the subsequent measurement.

Hence the energy of the electromagnetic spectrum is not used in mass spectrography to make measurements.

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Answer:

Explanation:

Answer: Gamma rays

Gamma rays have the highest frequency.

What is an electromagnetic wave?

An electromagnetic wave requires no medium for its propagation.

It consists of a spectrum of different wavelengths.

Different wavelengths of rays have different energies and different frequencies.

Higher frequency rays have the highest energies.

What is gamma-ray?

These are ionized radiations.

Gamma radiations are obtained from the decay of the atomic nucleus.

It has the highest frequency which is why it can penetrate through matter.

It has the smallest wavelength and highest energy.

The frequency of gamma rays is more than 10^19 cycles per second and wavelength less than 100 picometers.

Answer:

Gamma Rays

Explanation:

Each part of the electromagnetic (EM) spectrum comprises photons with distinct energy levels, wavelengths, and frequencies. Gamma rays are the most energetic, have the shortest wavelengths, and have the highest frequencies.

The spring constant will be k= 5.5N/m for a 200g air track glider attached to a spring.

The spring constant, k, is a measure of the stiffness of the spring. It is different for different springs and materials.

Calculation for What is the spring constant

First step is to calculate the time period

T = 12 second/10

T = 1.2 second

Now let calculate the spring constant using this formula

[tex]k=\dfrac{4\pi ^2m}{T^2}[/tex]

Where,

m=0.2kg

T=1.2second

k represent spring constant=?

Let plug in the formula

[tex]k=\dfrac{4 \pi \times 0.2}{(1.2)^2}[/tex]

[tex]k=\dfrac{39.48\times 0.2}{1.44}[/tex]

[tex]k=\dfrac{7.90}{1.44}[/tex]

k=5.48 N/m

k=5.5 N/m ( Approximately)

Therefore the spring constant will be 5.5 N/m

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Answer:

1.4 red : 0 white

Explanation:

Answer: A

Explanation:

Answer:

KE = incident energy - work function

The maximum KE will be (3 - .6) eV = 2.4 eV