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ong>Answer:

Litmus is the most common indicator for testing acids and BASES in the laboratory. (1) Acids turn blue litmus to red. (2) Bases turn red litmus to blue. (a) If a DROP of the given solution turns blue litmus paper to red, then the given solution will be acidic in nature (or it will be an ACID).

Explanation:

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1686 Newton's law of MOTION was PUBLISHED.

ong>EXPLANATION:

FRICTION PRODUCES unnecessary heat leading to the wastage of energy. The force of friction acts in the OPPOSITE direction of motion, so friction slows down the motion of moving objects. Forest fires are caused due to the friction between tree branches.

silver

Explanation:

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ong>Answer:

MERCURY EMISSIONS from UTILITY and non-utility boilers, especially those burning coal, MAY be effectively addressed through pre-combustion coal cleaning, reducing the quantities of coal consumed through increased energy efficiency, end-of-pipe measures such as stack gas cleaning and/or SWITCHING to non-coal fuel ...

Explanation:

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a)zero............ ..

EXPLANATION:

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ong>Answer:

I think you should conclude with

The economic costing EXERCISE of INSAT-2 SATELLITES shows that INSAT PROGRAMME is cost-effective and India has a comparative advantage in the production of communication satellites. ...

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ong>Answer:

Vibration, periodic back-and-forth motion of the particles of an elastic body or medium, commonly resulting when ALMOST any physical system is displaced from its equilibrium condition and ALLOWED to respond to the forces that TEND to restore equilibrium.

Thermal energy (also CALLED heat energy) is produced when a rise in temperature causes atoms and molecules to move faster and COLLIDE with each other. The energy that comes from the temperature of the heated substance is called thermal energy.

machine is the NEGATIVE source ANF WORK is POSITIVE source

ong>Answer:

Both is incorrect please GIVE the FULL QUESTION.

what............??????.?

ong>ANSWER:

LEMAN JUICE has citric ACID

ong>ANSWER:

MASS

EXPLANATION:

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The force of brakes can STOP a moving car. 3) A force can CHANGE the speed of a moving OBJECT. Ex-When a hockey player hits a moving ball, the speed of ball increases. 4) A force can change the direction of a moving object.

Explanation:

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what is this LANGUAGE?

Explanation:

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Choose correct option :-

If there is no FORCE of friction, we cannot

(a)speak (b)WALK (c)eat (d)read

If there is no force of friction, we cannot .

(a) speak

(b) walk ✅

(c) eat

(d) read

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any BODY play CALL of duty COMMENT me

ong>Answer:

The force due to friction is GENERALLY independent of the contact area between the TWO surfaces. This means that EVEN if you have two heavy objects of the same mass, where one is half as LONG and twice as high as the other one, they still experience the same frictional force when you DRAG them over the ground.

ong>ANSWER:

Microseconds and nanoseconds are units of time.

Explanation:

A microsecond is one MILLIONTH of a second.

A nanosecond is one thousand-millionth of a second.

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pascal is the SI UNIT

Explanation:

..

ong>Answer:

The force of gravity, g = 9.8 m/s2 ...

Time to splat: SQRT ( 2 * height / 9.8 ) ...

VELOCITY at splat time: sqrt( 2 * g * height ) ...

Energy at splat time: 1

ong>Answer:

EXPLANATION: When the OBJECT travels in a circular PATH, or in a path which has the initial point and final point the same ( like car race track) the AVERAGE speed is not zero but average velocity is zero.

• circular motion
• linear motion
• uniform motion

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the body move TOWARDS WEST in a MAGNITUDE of 3 N

ong>EXPLANATION:

see this PIC

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H

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v2-u2=2as

s=ut+1/2at2

v=u+at

ong>Answer:

Once the sugar is POURED into the WATER, it is STIRRED. After stirring, the sugar can no longer be seen.

Also after stirring, each student tastes the water. They both agree that the water tastes sweet.

The weight of the water + glass + sugar is the same as the weight of the glass containing the MIXTURE after the sugar was stirred in.

ong>ANSWER:

CLASH of clansgamesy CLAN battle RAGE

ਅੱਜ ਕੱਲ ਕੋਈ ਵੀ ਇਹ ਚੀਜਾਂ ਨੂੰ ਨਹੀਂ ਮੰਨਦਾ

ong>Answer:

2)WASH the thermometer before and after every USE with an ANTISEPTIC lotion and handle it with care. If it hits against some hard object, it can break because it is a very delicate thing. 2. See that the MERCURY levels are below 35 degrees and do not hold the thermometer near its bulb while reading the TEMPERATURE.

ong>ANSWER:

PARALLEL line

Explanation:

motion in a  parallel line is RECTILINEAR motion​

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FRICTION PRODUCE heat

Explanation:

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ong>Answer:

1-(a)Current doesn't flow in an opened circuit.

Explanation:-

because the current is stopped where the switch is started or ended

(b)heating effect

Explanation:-

because the collision of positive and negative charges produce heat

(c)switch

which is mainly MADE from Bakelite

(d)metre PER second(m/s)

Explanation:-

the S.I. unit is m/s,but the most commonly used unit in our life is Kilometer per HOUR(km/h). In UK and USA the unit is miles per hour[mph)

(e)kilometers

Explanation:-

because the DISTANCE may be too long between cities so it can't be measure in meter so we usually uses kilometers or sometimes miles

ong>ANSWER:

KCH smaj mai nhi AAYE....

Charge

Explanation:

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ong>Answer:

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Explanation- a BODY has a weight of 10 KG on the surface of earth what will be its mass and weight when taken to the centre of earth. Weight = mass x GRAVITY at that POINT At centre of earth gravity is zero because G is GM/radius^2.So mass will be also zero.

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ong>Answer:

Newton

Explanation:

It is equal to the FORCE that would give a mass of one kilogram an acceleration of one metre per SECOND per second, and is EQUIVALENT to 100,000 dynes.

Static inertia refers to the inertia of a body at rest. The inertia of a book on the table is static inertia. DYNAMIC inertia refers to the inertia of a body in uniform motion. The inertia of a ball moving in a frictionless FLOOR is dynamic inertia.

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er:

\textbf{ANSWER.}ANSWER.

\red{\texttt{speed of plane }}speed of plane  = 540 mi/h

\blue{\texttt{let 'x' }}let ’x’  = actual direct distance from the radar station

\blue{\texttt{let 'y'}}let ’y’ = horizontally distance from the radar station

\blue{\textbf{then, we have to find,}}then, we have to find,

\FRAC{dx}{DT} \: \: ,when \: x = 5dtdx,whenx=5

\blue{\texttt{speed of plane is CONSTANT}}speed of plane is constant so,

i.e \: \frac{dx}{dt} = 540i.edtdx=540

\blue{\textbf{using pythagoras,}}using pythagoras,

{x}^{2} = {y}^{2} + {1}^{2}x2=y2+12

therefore.. \: \: \: \: {x}^{2} = {y}^{2} + 1...(1)therefore..x2=y2+1...(1)

\blue{\textbf{Differentiating Implicitly wrt..'t' we get, }}Differentiating Implicitly wrt..’t’ we get, 

2x \frac{dx}{dt} = 2x \frac{dy}{dt} + 02xdtdx=2xdtdy+0

x \frac{dx}{dt} = y \frac{dy}{dt}xdtdx=ydtdy

x \frac{dx}{dt} = 540sxdtdx=540s

x \frac{dx}{dt} = 540\sqrt{ {x} ^{2} - 1}...(using(1) \: )xdtdx=540x2−1...(using(1))

\red{\texttt{when x =5 ,}}when x =5 ,

5 \frac{dx}{dt} = 540 \sqrt{25 - 1}5dtdx=54025−1

5 \frac{dx}{dt} = 540 \sqrt{24}5dtdx=54024

\frac{dx}{dt} = 108 \sqrt{24}dtdx=10824

\frac{dx}{dt} ≈529.1mi \: /hourdtdx≈529.1mi/hour

\textbf{so, RATE}so, rate ≈\textbf{529.1 mi/h}529.1 mi/h

ong>Answer:

1. The beautiful letter has been written by Sheila

2. Did you forget my NAME?

3. It was known to me that i would be HELP by them

4. Rose smells sweet

5. Kill the harmful creature

6. The old lady was being helped by us

7. He will be calling you

8. The room was filled with smoke

9. The house had been sold forever by Simon

10. Police punished the THIEF

ong>ANSWER:

If a COCKROACH covers a DISTANCE of 30m in 15s then his speed is 2m/s.

don't KNOW SORRY fshdji

ong>Answer:

1. The strength of CURRENT in the solenoid: Larger the current PASSED through solenoid, STRONGER will be the magnetic field produced.

2. The NUMBER of turns in the solenoid: Larger the number of turns in the solenoid, greater will be the magnetic field produced.

A HYDROCARBON is an organic chemical COMPOUND composed exclusively of hydrogen and CARBON atoms. Hydrocarbons are naturally-occurring compounds and form the basis of crude oil, natural gas, coal, and other important energy SOURCES

ong>ANSWER:

it's DISPLACEMENT is the distance between the tree and his initial POSITION