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I don't KNOW this QUESTION

ong>ANSWER:

If one of the zeroes of the cubic polynomial x3 + AX2 + bx + C is -1, then the PRODUCT of the other TWO zeroes isIf one of the zeroes of the cubic polynomial x3 + ax2 + bx + c is -1, then the product of the other two zeroes is

ong>Answer:

➡Aim:-

➡Aim:-To show the interaction between zinc GRANULES and hydrochloric ACID or sulphuric acidformation of H gas)

➡Apparatus:-Zinc granules, CONICAL flask, test tube, hydrochloric acid / sulphuric acid

➡Procedure:-Take a few zinc granules in a conical flask or a test tube. Add dilute hydrochloric acid or sulphuric acid to this.Touch the conical flask or test tube.

Observation: -A gas is evolved and the conical flask is warm➡Conclusion:-

➡Conclusion:-From this we conclude that when a chemical reaction takes PLACE there is a CHANGE in the state, colour, and temperature.

Zn + 2HCl → ZnCl2 + H2↑ + heat .

Explanation:

@Ask The MASTER

Answer:

A) k/σT =Constant

________________________

Explanation:

ᴡʜᴀᴛ ɪs  ᴡɪᴇᴅᴇᴍᴀɴɴ Fʀᴀɴᴢ ʟᴀᴡ  ??

ᴛʜᴇ ᴡɪᴇᴅᴇᴍᴀɴɴ Fʀᴀɴᴢ ʟᴀᴡ ɪs ᴛʜᴇ ʀᴀᴛɪᴏ ᴏF ᴛʜᴇ ᴇʟᴇᴄᴛʀᴏɴɪᴄ ᴄᴏɴᴛʀɪʙᴜᴛɪᴏɴ ᴏF ᴛʜᴇ ᴛʜᴇʀᴍᴀʟ ᴄᴏɴᴅᴜᴄᴛɪᴠɪᴛʏ (ᴋ) ᴛᴏ ᴛʜᴇ ᴇʟᴇᴄᴛʀɪᴄᴀʟ ᴄᴏɴᴅᴜᴄᴛɪᴠɪᴛʏ (Σ) ᴏF ᴀ ᴍᴇᴛᴀʟ, ᴀɴᴅ ɪs ᴘʀᴏᴘᴏʀᴛɪᴏɴᴀʟ ᴛᴏ ᴛʜᴇ ᴛᴇᴍᴘᴇʀᴀᴛᴜʀᴇ (ᴛ)

________________________

ᴇQᴜᴀᴛɪᴏɴ:

    k/σ=LT

________________________

ɧơ℘ɛ ıɬ ɧɛƖ℘ʂ ყơų  ☺

SORRY sorry I don't KNOW

I don't KNOW this question is very BIG

SWER ☆

★ the AIR MOLECULES in a balloon "filled with air" really TAKE up very little space. A balloon filled with air is really mostly empty space. It is the COLLISIONS of the air molecules with the inside walls of the balloon that keep the balloon inflated.★

ong>Answer:

A Null Vector Is A Vector Having Magnitude Equal To Zero. ... If We TAKE The Number 0, It Has No Magnitude, And It Can Be Given Any Sign. Similarly, Null Vector, Also KNOWN As Zero Vector Has No Magnitude But Can Be Given A Direction. A Null Vector Has No Direction Or It MAY Have Any Direction.

hope this helps you DEAR

ong>ANSWER:

given MASSES are 20,40,35g

velocities are 10m/s, 6m/s 8m/s

momentum ≈ MASS *velocity

20*10≈200gm/s

40*6≈240gm/s

35*8≈ 280gm/s

mark me as brainliest

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Here in this question, concept of wheat stone bridge as well as internal resistance is used. We are given a circuit  and we are asked to find- total resistance, voltmeter and Ammeter reading, voltage drop by R and potential difference across battery. This could be a very complicated question if you don't KNOW method to solve it. Firstly we will solve the wheatstone bridge to find total resistance and continue to solve the problem by step by step.

_______________________________

Solution :-

The given wheatstone bridge is balanced, so the resistance between wire BC will not be considered.

Now we can see that all the resistors are of 4Ω, so equivalent resistance for wheat stone bridge is 4Ω.

Now resistors of 4Ω, 1Ω, 3Ω, and 6Ω are in series connection with wheatstone bridge. So total resistance of series connection can be expressed as::

⇒ Rₙ=R₁+R₂+R₃...

By substituting given values::

⇒ Rₙ=4Ω+4Ω+1Ω+6Ω+3Ω

⇒ Rₙ=18Ω

So the total resistance of the circuit is 18Ω.

_______________________________

~Finding reading of Ammeter

⇒ ∈=IRₙ

⇒ 12v=I(18Ω)

⇒ 12v/18Ω=I

⇒ 0.6 Ampere=I

This is the CURRENT in the circuit.

We know that current remains same in series connection, so reading of Ammeter will be 0.6 Ampere.

_______________________________

~Finding voltmeter reading

⇒ V=IRₓ

Since voltmeter is across 4Ω resistor, value of Rₓ will be 4Ω.

⇒ V=(0.6 A)(4Ω)

⇒ V=2.4v

This is the reading of voltmeter

_______________________________

~Finding p.d.

We have formula for e.m.f.

⇒ ∈=I(R+r)

⇒ ∈=IR+Ir

Replace IR by Vₙ (p.d.)

⇒ 12v=Vₙ+(0.6 A)(6Ω)

⇒ 12v=Vₙ+3.6v

⇒ 12v-3.6v=Vₙ

⇒ 8.4v=Vₙ

This is the potential difference across terminal of battery.

_______________________________

~Finding voltage dropped by r

Since the total emf of battery was 12v but it remained only 8.4 connected to circuit. It means that rest of the voltage is dropped by r.

This situation can be expressed as::

⇒ Potential drop by r=∈-Vₙ

⇒ Potential drop by r=12v-8.4v

⇒ Potential drop by r=3.6v

This is the potential dropped by r.

_______________________________

★ Terms used by me in solution :-

• r=internal resistance

• Rₙ=R=Equivalent resistance

• V=voltmeter reading

• Vₙ=Voltage in circuit or across TERMINALS of battery

• I=Reading of Ammeter

• ∈=emf

_______________________________

Hint: According to Newton's second law of MOTION the force is equal to the rate of momentum. The CHANGE in momentum which is also known as impulse is the product of the MASS and the velocity. Then the force is the product of mass and acceleration.

when the MAGNITUDE is ZERO

ong>The universal law of GRAVITATION STARS that every body in the universe attract other bodies with a force directly proportional to the product of their masses and inversely proportional to the square of distance between them.

Equation for Universal law of gravitation :

HENCE, according to the above OPTIONS option D is correct.

Hope this helps you.

Thank you for your question.

Mark me as brainleist.

1

For a block in EQUILIBRIUM,

Equating forces along Y−axis,

NORMAL reaction, N=mg

Equating forces along X−axis,

ma=F−f

where f=μmg

ma=F−μmg

a=

m

F−μmg

a=

4

12−0.2×4×10

a=

4

12−8

a=

4

4

a=1 MS

−2

The BALLOON stops rising. As balloons RISE, air pressure around them diminishes. When the BALLON is made of elastic MATERIAL, it expands because of the excess pressure inside. Its volume increases and its internal pressure decreases.

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NEWTON Meters

Explanation:

Hope it helps

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50 knddxdtg3brybyr2rbyrb4yu52nun5225uny5yny

ong>Explanation:

REPORT MY ALL QUESTIONS I GIVE 50 POINTS AND 10 THANKS

❣❣❣❣❣❣❣❣

Three

Explanation:

HOPE it helps

Thank me LATER

car traveled 50 m while ACCELERATING from 0 to 20 m/s in 5 seconds.

The distance d is from

d = v(avg) • t

where v(avg) is the average velocity during the TIME, or

v(avg) = v(INITIAL) + ∆v/2.

Here v(initial) is 0 and ∆v is 20 m/s, so

v(avg) = 20 m/s / 2 = 10 m/s.

d = 10 m/s • 5 s = 50 m.

ong>ANSWER:

कार्नो प्रमेय के अनुसार: किन्हीं दो ऊष्माशयों (heat reservoirs) के बीच काम करने वाला कोई भी ऊष्मा इंजन उन्हीं ऊष्माशयों के बीच काम करने वाले कार्नो इंजन (CARNOT engine) से कम दक्ष होगा।

Hope it's HELPFUL ✌️✌️

more current

Explanation:

ong>Explanation:

Platinum, GOLD and silver are used to MAKE jewellery because the metals used in jewellery are always be CHOSEN on the basis of its reactivity. ... They are highly LUSTROUS metals which are RESISTANT to corrosion. They are highly malleable and ductile so can be transformed into any shape or design.

हेल्महोल्ट्ज़ निःशुल्क ऊर्जा की परिभाषा | DEFINITION of Helmholtz Free Energy in HINDI !! हेल्महोल्ट्ज़ निःशुल्क ऊर्जा को एक “उपयोगी कार्य” के रूप में जाना जाता है जिसे एक बंद प्रणाली द्वारा पाया या प्राप्त किया जा सकता है। इस शब्द का प्रयोग एक स्थिर तापमान और एक स्थिर आयतन के लिए किया जाता है।

(१) प्यार × नफरत

(२) घाटा × फायदा

(१) गहने = अनेकवचन

(२) घर = एकवचन

ong>Answer:

REPORT MY ALL QUESTIONS I GIVE 50 POINTS AND 10 THANKS

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Potassium oxide is an IONIC compound of potassium and oxygen. This PALE yellow solid, the simplest oxide of potassium, is a rarely ENCOUNTERED, HIGHLY reactive compound.

ong>ANSWER:

(1) प्रतिवेदन में किसी घटना या प्रसंग की मुख्य-मुख्य बातें लिखी जाती हैं।

(2) प्रतिवेदन में बातें एक क्रम में लिखी जाती हैं। सारी बातें सिलसिलेवार लिखी होती हैं।

(3) प्रतिवेदन संक्षेप में लिखा जाता है। बातें विस्तार में नहीं, संक्षेप में लिखी जाती हैं।

(4) प्रतिवेदन ऐसा हो, जिसकी सारी बातें सरल और स्पष्ट हों; उनको समझने में सिरदर्द न हो। उनका एक ही अर्थ और निष्कर्ष हो। स्पष्टता एक अच्छे प्रतिवेदन की बड़ी विशेषता होती है।

(5) प्रतिवेदन सच्ची बातों का विवरण होता है। इसमें पक्षपात, कल्पना और भावना के लिए स्थान नहीं है।

(6) प्रतिवेदन में लेखक या प्रतिवेदक की प्रतिक्रिया या धारणा व्यक्त नहीं की जाती। उसमें ऐसी कोई बात न कही जाय, जिससे भम्र पैदा हो।

(7) प्रतिवेदन की भाषा साहित्यिक नहीं होती। यह सरल और रोचक होती है।

(8) प्रतिवेदन किसी घटना या विषय की साफ और सजीव तस्वीर सुनने या पढ़नेवाले के मन पर खींच देता है।

What are the STATEMENT de.ar?

ong>ANSWER:

Explanation:Derive the expression F=ma. Hint: According to NEWTON's second law of motion the FORCE is equal to the RATE of momentum. The change in momentum which is also known as impulse is the PRODUCT of the mass and the velocity. Then the force is the product of mass and acceleration.

n that,

Force = 12N

Mass = 4kg

Time = 3s

Velocity = ?

Kinetic Energy = ?

Let's calculate velocity,

F = ma { a = v/t }

F = mv/t

12 = 4×v/3

v = 9 m/s

Let's calculate Kinetic energy = 1/2mv^2

1/2×4×9×9

162 J.

Therefore, the Kinetic energy is 162 J.

Hope this helps you.

Thank you for your question.

Mark me as BRAINLEIST.

SRY I don't KNOW the answer

ENERGY which a body possesses by VIRTUE of being in motion.

OK

but ALSO sorry because I don't KNOW the correct answer...

o ELECTRIC DIODE ...

ong>Answer:

Answer

Open in answr app

Open_in_app

Here we will use the principle of meter bridge

So,

Q

P

=

S

R

where,

P=40ρ [ρ is RESISTANCE/unit LENGTH]

Q=60ρ

S=15 Ω

R=10 Ω

Now, two points are connected to the DIAMETER of a ring.Therefore we have two parallel path.

If the resistance of both the path is r

Then equivalent resistance =

2

r

2

r

=10

r=20 Ω

en:

Particle Moves A to B as shown in figure.

To find:

Average acceleration ?

Calculation:

First of all, average acceleration is defined as the change in VELOCITY DIVIDED by the time.

In uniform circular motion, change in velocity for a particular ANGULAR displacement is GIVEN as:

Let average acceleration be "a" :

PUT = 90°

So, final answer is :

(c) 4.66eV

Explanation:

I HOPE it will HELP you

ong>Answer:

Newton’s second law of MOTION states that the force exerted by a body is directly proportional to the rate of change of its momentum. For a body of MASS ‘m’, whose VELOCITY changes from u to v in TIME t, when force ‘F’ is applied.

F∝TimeChangeinmomentum

F∝tmv−mu

F∝m(tv−u)

⇒F∝ma⇒F=kma(∵a=tv−u)

⇒F=ma(∵k=constant=1)

Explanation:

hope you understand it

ong>Explanation:

Advertising HELPS a business to earn profits by ENABLING more people to KNOW about the products and services and THUS resulting in more sales. The CONSUMERS on the other hand will never get to know about the products and services if they are not advertised.

I don't KNOW this answer

I don't now PLEASE SORRY

ong>ANSWER:

3 da answer option A) A tennis ball

4 da answer option B) inertia of motion

5 da answer option B) UNBALANCED force

1 da answer option B) 0/zero

Explanation:

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(i) (B) Zero

Explanation:

F=ma

F=2×0

=0

ong>ANSWER:

i don't know that how to send the OIC

ong>Answer:

Given,

Force (F) = 100N

Diameter of Circle = 5m

Radius (R) = 5/2 m

= 2.5 m

Distance from CENTRE (d) = 2.5 m

Case 1: Moment of Force at 2.5 m from the centre is = Fd

= 100*2.5

= 250 Nm

Case 2: Moment of Force at the centre of circle is = Fd

= 100*0

= 0 Nm

I HOPE this HELPS.

ong>Answer:

hu HI hoga in this thread in this thread for me

Explanation:

yaha of this communication and INTERPRETATION and age is that they were to me so MUCH more information and the REST andersonal of