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Initially BALL is GOING UPWARDS  Initial velocity=u= -7m/s S=60m a=g=10m/s2 From Second EQUATION of motion  s=ut+1/2at² 60= - 7t +(1/2 )10 t² 60=-7t +5t² 5t² -7t -60=0 t=-7±√49-4x5(-60)/2x5 t=-7±√49+1200/10 t=-7±35.3/10 t=7+35.3/10 =4.2 sec [ as t cannot be negative] ∴ The ball will take 4.2 sec to reach the groundExplanation:mark me as brainlist

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The first equation of motion relates velocity to time. We essentially derived it from this derivative… The second equation of motion relates position to time....CALCULUS derivations.v =V0 + at[1]+s =s0 + v0t + ½at2[2]=v2 =v02 + 2A(s − s0)[3]

2.01+1.001+3.001=x6.012=x

In evaporation, PARTICLES ABSORB energy from surrondings at room TEMP and change state. In vaporization, heat has to be applied to the molecules to INCREASE their energy and change their state.Explanation:here is your answer if you like my answer please FOLLOW

Triangulation the PROCESS of determining the LOCATION of a point by measuring the angles to it from two known points rather than measuring distances directly. Parallax is the displacement or the change in the apparent POSITION of the object when viewed from two different point of VIEWS.

tion Light can be used to emit electrons from the surface of a solid. This PROCESS is CALLED the PHOTOELECTRIC effect. Photoelectric effect can be better explained with particle nature of light.With the WAVE theory, the phenomena of Reflection, Refraction, and Interference of light can be explained, but it fails to explain Diffraction and Polarization of light.

nut is only a nut if it’s “a hard-shelled dry fruit or SEED with a SEPARABLE rind or shell and interior KERNEL.” That MEANS walnuts, almonds, cashews, and pistachios aren’t NUTS either. They’re seeds.borahaensysbdjdbsm

you can BUILD your own electroscope at HOME using simple things you can find around the house, such as: a glass jar, 2 little pieces of aluminium foil cut into small round shapes (and you NEED to put a whole in one end of each foil);A copper wire (spiral one of the ENDS of the wire to make a large surface area);Some electrical tape, A plastic lid cut into a circle the same size as the jar opening (you can USE the plastic lid from any plastic container);A small plastic tube (you can use a straw) shoved through the plastic lid;

tion:PHOTOSYNTHESIS is the PROCESS through which green plants PREPARE their own FOOD.

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Given side of square =10m, thus perimeter P=40mTime taken to cover the BOUNDARY of 40 m =40 sThus in 1 second, the farmer covers a distance of 1 mNow distance covered by the farmer in 2 min 20 seconds = 1×140=140mNow the total NUMBER of rotation the farmer makes to cover a distance of 140 meters = perimetertotaldistance =3.5 At this POINT, the farmer is at a point SAY B from the origin OThus the displacement s= 10 2 +10 2 from Pythagoras theorem.s=10 2 =14.14m

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doctor verbdoctored; DOCTORING\ ˈdäk-​t(ə-​)riŋ \Definition of doctor (ENTRY 2 of 2)transitive verb1a: to give medical treatment todoctored her AILING husbandb: to restore to good condition : REPAIRdoctor an old clock xplanation:

There is no proper explanation to this that how universe CAME into existence.But it is believed that the universe was formed from Big Bang.Big Bang was a GREAT explosion which created matter and gradually with TIME EVERYTHING was formed.

tion:a) INTIALLY, when K1 is closed equivalent capacitance = (2x2) / (2+2) uF = 1 uFVoltage, V = 6Vas in series combination charges are equally distributed on the plates of n capacitors, therefore, Q = Ceq X V = 1uF x 6V = 6uCtherefore, 6 x 10^-6 Coulumb charge will be on each capacitor.

Given MASS of the ball as 100 g after converting to mks system it becomes 0.1 kg. As we know that acceleration is nothing but rate of change VELOCITY and in this CASE we have initial velocity as 20m/s and final velocity as 0.a=(v−u)/t⇒a=(0−20)/0.01=−2000m/s 2 F=m×a⇒F=0.1×2000=200 N. The HAND APPLY equal and opposite force of 200 N.

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option isA3×10 −2 CQ TOTAL =5×10 −2 C−1×10 −2 C=4×10 −2 CWE KNOW that, Charge distribution ∝ radius∴ Q SMALL :Q big =1:3Q big = 43 ×4×10 −2 =3×10 −2 C

Hey MATE , I AM glad to Answer this Question $ here is your answer $ • you know that , WEIGHT = Mass * Accelerationhere ,M { Mass } = 78 KGACCELERATION { A} = 3.77m/s²Therefore , Weight = 78 * 3.77 = 294.06 Newton So, CORRECT answer is 294.06 N

अनुभाग में बच्चों और वरिष्ठ नागरिकों के लिए अर्थात प्रयोक्ताओं के जीवन चक्र के चरणों के आधार पर विशिष्ट सामग्री की जानकारी संकलित है। विशेष रूप से किशोर और युवा के लिए वर्गीकृत सामग्री के लिए इस साइट को देखें।सबसे ज्यादा देखी गयी

Most circuits have more than one component, called a resistor that limits the flow of charge in the circuit. A measure of this limit on charge flow is called resistance. The SIMPLEST combinations of resistors are the series and parallel connections illustrated in Figure 1. The total resistance of a COMBINATION of resistors DEPENDS on both their individual VALUES and how they are connected.

Derivation from the IDEAL GAS law where N is the number of PARTICLES in the gas, and the ratio of R over kB is equal to the Avogadro CONSTANT. If T and P are taken at standard conditions for temperature and pressure (STP), then k′ = 1/n0, where n0 is the Loschmidt constantExplanation: pls mark as brainlist

tion:2 N HOPE this will HELPS you

It is same as 0.01 mgOR 10/1000 mgHope it will HELP you....

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Tension and surface tensionSurface Tension(T)= LengthForce . . . . . (1)Since, FORCE=Mass×AccelerationAnd, Acceleration= timevelocity =[LT −2 ]∴ The dimensional formula of force =M 1 L 1 T −2 . . . . (2)On substituting EQUATION (2) in equation (1) we GET,Surface Tension (T)= LengthForce Or, T= [L 1 ][M 1 L 1 T −2 ] =M 1 T −2 Therefore, surface tension is dimensionally represented as [M 1 T −2 ]Tension is DEFINED as the magnitude of force.∴ DEMENSION of Tension = Dimension of ForceSo, dimension of tension =M 1 L 1 T −2 So the dimension of tension and surface tension is differentExplanation:Tension and surface tensionSurface Tension(T)= LengthForce . . . . . (1)Since, Force=Mass×AccelerationAnd, Acceleration= timevelocity =[LT −2 ]∴ The dimensional formula of force =M 1 L 1 T −2 . . . . (2)On substituting equation (2) in equation (1) we get,Surface Tension (T)= LengthForce Or, T= [L 1 ][M 1 L 1 T −2 ] =M 1 T −2 Therefore, surface tension is dimensionally represented as [M 1 T −2 ]Tension is defined as the magnitude of force.∴ Demension of Tension = Dimension of ForceSo, dimension of tension =M 1 L 1 T −2 So the dimension of tension and surface tension is different

No JELLY or JAM is not a solid liquid or GAS it is semi solid I hope it HELPS you

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tion:1) COULOMB's law states that electrostatic force between two POINT charges is 1) directly proportional to PRODUCT of two charges. 2) universally proportional to square of distance between them ( charges ). F = k 1/ 4T£°. q/ R2 where 'r' is the distance between two charges. k is a constant it' s VALUE depends upon the nature of medium for air or vacuum k= 1/4TT£°

ly, you cut the surface of a country into triangles, then calculate the area of each of those triangles. ... ALTERNATIVELY, you can USE a planimeter.In general to measure the area of any irregular figure you break it down into simple geometric figures such as trapizoids, triangles and possible some CURVED figures as well. These are easy to calculate areas of. If the boundaries are MANMADE the are very likely to be straight line segments so this is easy. Hope it helps

60.96 centimetresExplanation:MULTIPLY the LENGTH VALUE by 2.54