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the pressure of a gas molecule in a vessel is p if the mass of each molecule is MADE one- FOURTH and the RMS SPEED is doubled the new pressure is 4p.

The answer is a OPTION B

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CV is the CURRET answer

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Explanation:

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ong>Answer:

A VESSEL is filled with a gas at a pressure of 76 cm of mercury at a certain temperature. The mass of the gas is increased by 50% by introducing more gas in the vessel at the same temperature. Find the resultant pressure of the gas.

Explanation:

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Strong current of water turned the blades of a TURBINE because it possesses KINETIC ENERGY.

ong>Given info : a cylindrical transparent jar contains half filled with hot water at 60°C and the other half filled with coconut OIL at room temperature. Two thermometers are KEPT on water and the other in coconut oil.

To find : the change observed in the thermometer readings.

Solution : you know, heat TRANSFERS from higher temperature to lower temperature until thermal EQUILIBRIUM is reached.

Here heat transfers from hot water to coconut oil.

let at TEMPERATURES T, both water and coconut oil are in same temperatures.

Specific heat of coconut oil = 2.1 j/g/°C

Specific heat of water = 4.2 j/g/°C

Now, heat transferred by water = heat gained by coconut oil

⇒m × 4.2 × (60°C - T) = m × 2.1 × (T - 25°C) [ room temperature is 25°C ]

⇒2(60 - T) = T - 25

⇒120 - 25 = 3T

⇒T = 95/3 ≈ 32°C

So change in thermometer reading of water = (60 - 32) = 28°C

Change in thermometer reading in coconut oil = (32 - 25) = 7°C

ong>ANSWER:

ACTUALLY I am in 10 STD

Explanation:

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When the Sun, Earth, and MOON, are precisely aligned, a LUNAR eclipse will occur. During an eclipse the Earth blocks sunlight from reaching the Moon. Earth CREATES two shadows: the outer, pale shadow called the penumbra, and the DARK, inner shadow called the umbra.

It is nothing but energy STORED in capacitor.

ong>Answer:

this means that if the zero ERROR is positive the zero CORRECTION will be negative and vice versa. because if the following instrument has an error so we have to do the opposite(add or SUBTRACT)to erase the error

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F=m*g

m=30kg

g=9.8

so, F=30*9.8=294 N

so, FORCE of ATTRACTION between earth and the object is 294 N

ong>ANSWER:

water is WRITE answer because tree CALLED water

The answer is a OPTION B

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• W=FScosø
• W=5×50/100×√3/2
• W= 2•5×√3/2
• further you can solve

Explanation:

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ong>Time upon VELOCITY =displacement

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ong>Answer:

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ong>Explanation:

For objects that subtend a relatively SMALL angle we can use the following APPROXIMATION:

s=rθ

Where is the actual diameter of the object in QUESTION, r is the distance to the object, and θ is the angle subtended by the object in the sky in radians we must CONVERT degrees to radians:

0.5ºx(π/180º)=0.00873rad

s=(384000000)(0.00873)=3.35×10

6

m

A diameter of the moon is 3.35×10

6

m

A is the CORRECT option

Explanation:

ong>Answer:

CALCULATE the TENSION on both sides of the pulley system USING a calculator to solve the following EQUATIONS: T(1) = M(1) x A(1) and T(2) = M(2) x A(2). For example, the mass of the first OBJECT equals 3g, the mass of the second object equals 6g and both sides of the rope have the same acceleration equal to 6.6m/s².

Option (c) is the correct answer

Explanation:

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The answer is a OPTION C

ong>Answer:

the object should be kept at a distance of 20CM from the lens

Explanation:

this is because if 10cm is the focal length so 2F would be 20cm and if we KEEP the object at 2f the image is formed at 2f on the other side which is 20 CM as said in the question.

i hope it helps

ong>Answer:

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Explanation:

ngu-cxas-mae

olar power bank

all the energy in soil ,GAS and coal originally came from the sun , captured through photosynthesis.in the same way that we BURN wood to release energy that trees capture from the sun , we burn FOSSIL fuels to release the energy that ancient PLANTS capture from the sun.

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H=mS△T⇒3000=0.5×S×(318−308)⇒S=0.5×103000=600J/KgK

three EQUATION of motion are

1. v=u+at
2. S=ut+1/2at²
3. v²=u²+2aS

you don't need to LEARN the derivatives only equation are needed

Explanation:

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ong>Answer:

ORBIT (R), MASS of the satellite (M) and gravitational constant (G).

Using dimensional analysis derive a RELATION for T connecting these factors

don't know

Explanation:

so

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GOOD NIGHT

ong>Answer:

An ELECTROLYTE is a substance that produces an ELECTRICALLY conducting SOLUTION when dissolved in a polar solvent such as water. The dissolved electrolyte seperates into cation and ANIONS which DISPERSE uniformly through the solution.

The answer is a OPTION C

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ong>Answer:

No, subtraction never OBEYS the commutative law, not even subtraction of SCALARS. For subtraction, we have the relation

x—y=−(y−x).

Note the minus SIGN in front, this is what spoils the commutative law for subtraction.

Addition does obey the commutative law, for scalars, VECTORS, and members of all kinds of infinite dimensional spaces, e.g. Banach Spaces, Hilbert spaces, etc.

x+y=y+x.

Explanation:

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ong>ANSWER:

There are three rules on determining how many significant figures are in a number:

1 Non-zero digits are ALWAYS significant.

2 Any ZEROS between two significant digits are significant.

3 A final zero or trailing zeros in the DECIMAL PORTION ONLY are significant

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have

Explanation:

Japan will Let you know who JO

ong>Answer:

bro listen

Explanation:

PLS type and SEND the PIC is not CLEAR

ong>Explanation:

Given that,

the body traveled in 3seconds=4m

=>PER second speed=4/3m

body traveled in 5seconds=12m

=>per second speed=12/5m

after 3seconds total TIME crossed=5+3=8seconds

Let,

the distance is=x

the velocity percentage is equal as the body is same.

so

according to question,

4/3=12/5=x/8

=>4/3=x/8

=>3×x=8×4

=>3x=32

=>x=32/3

=>x=10.66m

=approximately 10M

Hence the body will travel 10m in NEXT 3seconds

don't no I am SORRY ☹️...........

the Planck length, denoted ℓP, is a unit of length that is the distance light in a PERFECT vacuum travels in one unit of Planck time. It is also the reduced COMPTON wavelength of a particle with Planck mass. It is equal to 1.616255×10⁻³⁵ m.

Unit of: Length

SI UNITS: 1.616255(18)×10−35 m

Unit system: Planck units

Imperial/US units: 6.3631×10−34 in

Natural units: 11.706 ℓS; 3.0542×10−25 a0

1 ℓP in: is equal to

Symbol: ℓP

Explanation:

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ong>Answer:

Convection CURRENTS in air causes tornado. In this phenomenon, a column of air rotates violently which LEADS to THUNDERSTORM and causes DESTRUCTION for the living organisms and other structures.

Explanation:

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kilometres have a BI centre

asuuming AREA is 0.05 SQ m

pressure = f/a

              =500/0.05

             = 10000 Pa

Explanation:

is a WRITE answer of your QUESTION

ong>Explanation:

answer (a) It can CONCENTRATE it's URINE

the answer is 13 N MASS ok BRO