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31.4Explanation:L=Iw(OMEGA). n=no.of rotations/1min=120/60=2 n=2 w=2πn=2×π×2=4π I=mr×r/2=20×1/2×1/2/2=5/2 L=5/2×4π=5/2×4×22/7=220/7=31.4Plz MARK as BRAINLIEST

DExplanation:There is no air FRICTION THEREFORE there will only be gravity ACTING downwards UPON it.

aCl2(aq)+Na2SO4(aq)→BaSO4(s)+2NaCl(aq) The TYPES of reactions are (b) PRECIPITATION and (d) Double displacement. The types of reactions are (b) Precipitation and (d) Double displacement. A precipitate of bariumsulphate is obtained. The types of reactions are (b) Precipitation and (d) Double displacement. A precipitate of bariumsulphate is obtained. In double displacement REACTION, two compounds react, and the positive ions (cation) and the negative ions (anion) of the two reactants switch places, FORMING two new compounds or products. EXPLANATION Chemical reactions involve chemical changes that result in the formation of new compounds under some specific conditions. Chemical equations can help us understand the chemical reactions between various elements or compounds. Chemical equations show the reactants and the products that are involved in these reactions. The compounds that participate in a chemical reaction are CALLED reactants. The reactants might be in the solid, gaseous, or liquid phase.

Quantization of charge means that when we SAY something has a GIVEN charge, we mean that that is how MANY times the charge of a SINGLE electron it has. ... So electrons have a a negative charge, negative charge.Explanation:hopefully it will HELP you

acitor start motor has a cage rotor and has two WINDINGS on the STATOR. They are known as the main winding and the auxiliary or the starting winding. The two windings are placed 90 degrees apart. A capacitor CS is connected in series with the starting winding.hope it HELPS...

Three-point perspective is often USED for buildings seen from above (or below). In ADDITION to the two vanishing points from before, one for each wall, there is now one for how the vertical LINES of the walls recede. For an object seen from above, this third vanishing point is below the ground.Explanation:I HOPE find help you..

The GLANCING angle of REFLECTION is the angle between a surface and a beam of PARTICLES. It is the COMPONENT of the angle of reflection. The glancing angle of incidence is the angle between an INCIDENT beam and the surface.Explanation:follow for more

option c is right answerExplanation:PLEASE F o l l o me on BRAINLY

12×20 =240 2.11feet wide ×15fett LONG 3. 165 square FEET

At the centre of Earth, the FORCE DUE to upper HALF of the Earth will CANCEL the force due to lower half. ... Therefore, when F=0, then g has to be 0. Thus, the value of g is zero at the centre of Earth.

There are two law of Reflection- Incident RAY,REFLECTED ray and Normal lies in the same plain.-Angle of Incident is EQUAL to angle of Reflection.

Here's Your ANSWER EXPLANATION:SIGNIFICANT.

AExplanation:​The nuclear RADIUS ​R = R0 A1/3or R ∝ A1/3or R3 ∝ A ⇒ A ∝ R3∴ A2=  R2 3A1 R1=  R1/2 3 = 1R1  8A2 = A1= 56= 78 8

A projectile thrown at an angle.A projectile thrown at an angle.A particle is projected upward with a velocity of 30m/s to the horizontal find.A projectile thrown at an angle.A particle is projected upward with a velocity of 30m/s to the horizontal find.a)it's TIME of flight?A projectile thrown at an angle.A particle is projected upward with a velocity of 30m/s to the horizontal find.a)it's time of flight?b) the horizontal distance travelled?A projectile thrown at an angle.A particle is projected upward with a velocity of 30m/s to the horizontal find.a)it's time of flight?b) the horizontal distance travelled?C) the maximum height?Option A is the right answer Explanation:Hope it HELPS U ☺️

So the ANSWER is the MIRROR should be PLACED at 10CM.

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6.25Explanation:this IMAGE MAY HELP u.please MARK as BRAINLIST

35° is the answerhope it HELPED

ᴛʜᴇ ᴘᴀʀᴛ ᴏғ ᴛʜᴇ ᴍɪɴᴅ ᴛʜᴀᴛ ᴍᴇᴅɪᴀᴛᴇs ʙᴇᴛᴡᴇᴇɴ ᴛʜᴇ ᴄᴏɴsᴄɪᴏᴜs ᴀɴᴅ ᴛʜᴇ ᴜɴᴄᴏɴsᴄɪᴏᴜs ᴀɴᴅ ɪs ʀᴇsᴘᴏɴsɪʙʟᴇ ғᴏʀ ʀᴇᴀʟɪᴛʏ ᴛᴇsᴛɪɴɢ ᴀɴᴅ ᴀ sᴇɴsᴇ ᴏғ ᴘᴇʀsᴏɴᴀʟ ɪᴅᴇɴᴛɪᴛʏ.Explanation:ʜᴏᴘᴇ ᴛʜɪs ᴡɪʟʟ ʜᴇʟᴘ ᴜ..☺✌♥♥

a- LT^-1 ; B- LT^-2 ; C- LT^-3Explanation:X(L)= aT...a= LT^-1

ture coefficient of resistance, α=5×10 −3 / ∘ CInitial temperature, T 0 =20 ∘ Initial resistance at T 0 , R 0 =10ΩInitial current at T 0 , I 0 =30mAIncreased temperature, T 1 =120 ∘ INCREASED resistance is,R 1 =R 0 [1+α(T 1 −T 0 )]R 1 =10[1+5×10 −3 (120−20)]R 1 =10[1+5×10 −1 ]R 1 =10[1+0.5]R 1 =10[1.5]=15ΩSince, potential difference ACROSS the ends of wire is constant,V=I 0 R 0 =I 1 R 1 ⇒I 1 = R 1 I 0 R 0 ∴I 1 = 15(30)(10) ∴I 1 = 15300 =20 mA

verbto WALK with short steps as if you COULD fall at any MOMENT, for example because you are ill, DRUNK or CARRYING something heavy(बीमार, नशे में या वज़नदार चीज़ लिए होने के कारण) लड़खड़ाना, डगमगाना (छोटे-छोटे क़दमों से गिरते-पड़ते चलना)please mark as brainlist

s CHARGES ACCUMULATED on both GLASS ROD

tion:metal cube of each side of 4 cm long emits 1.6 Kcal of heat in ... CALCULATE the emissive power of its surface ... IF IT IS HELPFUL TO YOU PLZ MARK ME AS BRILLIANT ...1 voteemmisive power.q÷at ans [tex]0.116 \times {10}^{6} J \div {m}^{2} sec[/tex

(D) LOG 1 = a + B log RHope this HELPS ...

to note before solving:- friction ALWAYS acts opposite to direction of motionFnet=Fdriving-Fopposing=ma see the attachment!!!HOPE it helps..GOOD luck ♧♧

a CAR TRAINING at the RATE of 70 KM

this helps me a lot in the 10 BOARD exam so here it isExplanation:pls mark me BRAINLIST

The basic difference between FRESNEL and FRAUNHOFER diffraction is that in Fresnel diffraction the source of light and screen is at a finite DISTANCE from the OBSTACLE, while in Fraunhofer diffraction if the source of light and screen is at an INFINITE distance from the obstacle

Our words have POWER. They impact others, but they also impact us.” – Michael HyattWords – they carry immense power to make or break a person. Especially, the SPOKEN ones. With simple encouraging words, you can heal and rebuild the lives of others. HEARING sincere words of encouragement has a tremendous impact on a person – making them happier, STRONGER, and ready for any challenge the world has in STORE for them.

which MODEL KONSA model

r a PARALLEL plate cpacitor having PLATES of area a SEPARATED by a distance d. Then, capacitence of this air capacitor is given by Cair = ε0A/d If the space between the (DATES is filled completely with dielectric of relative permitivity K, then capacitance of the same capacitor is given by cm =ε0kA/d Dividing (ii) by (i), we have k = cm/air = Capacitance of capacitor with dielectric between the plates/capacitance of the same capacitor with air between the plates.Read more on Sarthaks.com - https://www.sarthaks.com/550123/find-an-expression-for-capacity-of-a-parallel-plate-capacitor-with-compound-dielectricif this answer is helpful to you please mark me as a brain list

The FOUR laws of PHOTOELECTRIC EMISSION are given as : LAW 1 : For a given metal and frequency, the number of PHOTOELECTRONS emitted is directly proportional to the intensity of the incident radiation. LAW 2: For a given metal, there exists a certain frequency below which the photoelectric emission does not take place.Explanation:

The Gunter's Chain is a DEVICE that was first introduced in 1620 and was USED to survey not only the British Empire, but also the WILDERNESS and early American settlements. The Gunter's Chain measures 66 FEET in length and consists of 100 links usually marked off into groups of 10 by BRASS rings or tags.

It allows us to confirm that it is SAFE to OPERATE on the PATIENT. A high TEMPERATURE may suggest an infection, which will have to be treated before the patient can UNDERGO surgery.Explanation:

❥ANSWER❥In the above example, two bulbs are powered by a battery in a parallel circuit design. In this case, because ELECTRICITY can flow in more than one path, even if one of the bulb blows out, the other bulb will STILL have electrons FLOWING through it and it will CONTINUE to glow.●▬▬▬▬๑۩۩๑▬▬▬▬▬●HOPE IT HELPS U●▬▬▬▬๑۩۩๑▬▬▬▬▬●

ʏᴇs ᴏғᴄᴏᴜʀsᴇ ɪ ᴄᴀɴ ʙᴇ ᴜʀ ғʀɴᴅᴍʏsᴇʟғ ɢᴀʀɢɪ ᴄʟᴀss 7 ғʀᴏᴍ ᴍᴀʜᴀʀᴀsʜᴛʀᴀ ᴜʀs ɪɴᴛʀᴏ ᴘʟᴇᴀsᴇ? Explanation:Given info : one gram molecule of oxygen is heated at constant pressure from 0° C.To find : what amount of heat should be IMPARTED to the had to double its volume ?solution : one gram molecule means one mole.so no of moles of oxygen gas , n = 1work done , W = \int\limits^{2V}_{V}{P}\,dV V∫2V pdV = PV = nRT₀ = 1 × R T₀ = RT₀internal energy change, ∆U = \int\limits^{2V}_{V}C_vdT V∫2V C v dT= \int\limits^{2V}_V{\frac{R}{\gamma-1}}\,dT V∫2V γ−1R dTwe know, pdV = nRdTso, \int\limits^{2V}_V{\frac{P}{\gamma-1}}\,dV V∫2V γ−1P dV= \frac{pV}{\gamma-1}=\frac{RT_0}{\gamma-1} γ−1pV = γ−1RT 0 now from 1st LAW of thermodynamics,Q = W + ∆U⇒Q = RT₀ + RT₀/(γ - 1)for oxygen (diatomic molecule),γ = 1.4= 25/3 × 273 + 25/3 × 273/(1.4 - 1) J= 2275 + 2275/0.4= 2275 + 5687.5= 7962.5 JTherefore heat required to the gas to double its volume is 7962.5 Jʜᴏᴘᴇ ᴛʜɪs ᴡɪʟʟ ʜᴇʟᴘ ᴜ ᴅᴇᴀʀ..

1.percent, 2.measure