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20°interior angle property of trianglesif REFLECTING angle is 50 so GLANCING angle will be 40°hence,120+40+x=180160+x=180x=180-160x=20°mark BRAINLIEST if ANSWER is correct

tion:Distance: 30km + 30km = 60kmTime : 1hour + 30min = 1.5 hoursSpeed = distance/ Time = 60km/1.5hours60/1.5 X 2 (to DIVIDE by WHOLE numbers) = 120km / 3HOURS= 40km/h

a) Because it is a good CONDUCTOR of heat.b) Becuse PURE metal conducts electricity so you MAY get a shockc) Because it is cross sectionedd)Its electronic CONDUCTING ability increasese) Because they are good conductor of heat and electricity both.

Irregular shapes are 2D shapes whose sides and interior angles are not all the same. Irregular shapes can be HARDER for children to identify as they don't look like the CONVENTIONAL shape they are used to seeing. ... A REGULAR shape is a shape where all sides are the same length and all the interior angles are equalExplanation:Any country's area could be calculated by determining the TOTAL length of its borders and turned into a square by dividing into QUARTERS and then multiplying the sides, so if a country has a border of 1,000 miles, it can be transformed into a square with sides of 250 miles each and squared to 62,500 square miles.

MARK AS BRAINLIESTANSWER:Reflection propertyExplanation:non luminous OBJECTS can be only seen when LIGHT COMING from luminous objects falls on themhope u understand

in the figure....Clearly in the figure....TWO consecutive RESISTANCES are in series and their sum are in parallel...so,sum of first two resistance in series=1+1=2sums of second two resistance inseries=1+1=2now,these two sums are in parallelso,1/R(eq) =1/2 +1/2Req=1ohm..so, resistance of the series will be1ohm{hope it HELPS}

Explanation:DENSITY =mass/VOLUME So it means thatMASS/VOLUME OF THE METAL IS 8.9gcm^3.. . IMPORTANCE-.....FROM THIS WE MAY KNOW THE MASS AND VOLUME OF THE METAL.....MARK ME AS BRAINLIEST ..... FRIEND

Here is your answerExplanation:One electron possesses a charge of 1.6 —10-19C, i.e., 1.6 —10-19C of charge is CONTAINED in 1 electron.ˆ´ 1 C of charge is contained in 1/1.6 x 10-19 = 6.25 x 1018 = 6 x 1018Therefore, 6 x 1018 electrons constitute one COULOMB of charge. It is 6,108Hope you like my ANSWER and mark me as Brainlist

The UNIT Of Current is defined as the flow of 1 coulomb of charge in ONE SECOND . Its unit is Ampere.

i THINK the option (1) it MAY be HELP u

by where they are in which CLIMATE

10 m/sExplanation:Since the car is vmoing in a STRAIGHT line, the distance and DISPLACEMENT of the car are both equal. So the speed and velocity would ALSO be equal.Speed = Distance/Time = 100/10 = 10 m/s[If you want to consider EAST to be negative direction, i.e, graphically negative x-axis, then you can consider the velocity to be -10 m/s]

v^2 = u^2 +2as 0 = (20)^2 + 2(-10)S S = 20 TOTAL DISTANCE REQUIRED TO TRAVEL TO HIT THE GROUND =25 + 20 = 45 v^2 = u^2 +2as v^2 = 0 + 2 × 10 × 45v^2 = 900v = 30 m/s

28/5 or 5.6 ohmExplanation:Firstly we solve 2 OHM resistances which are connected in SERIES 2+2=4 and then it is parallel to 1 ohm RESISTANCE so added in reciprocal manner get 4/5 same method use for SECOND CIRCUIT and then all are connected in series so we added

hat,Potential DIFFERENCE = 20 VDistance = 1 cmWe NEED to calculate the ACCELERATION of the electronUsing formula of electric fieldWhere, m = mass of electronq = CHARGE of electronV = potentiald = distancePut the value into the formulaHence, The acceleration of the electron is

2×10 : (2+3)×10     =  2/5Explanation:

tion:A fuse functions as a protector for a circuit by creating an open circuit condition when extreme current is RUN into. The fuse completes this work by interrupting the current through melting some of its SPECIALLY designed parts. These ELECTRICAL components are melted by heat generated due to the EXCESSIVE current

Is ANSWER 1200wExplanation:HOPE it HELPS to U

n=c/v4/3=3*10^8/vv=2.25*10^8m/s

Explanation:DISTANCE TRAVELLED = 25 KMTIME TAKEN = 2 HRS .SPEED = DISTANCE / TIME SPEED = 25/ 2SPEED = 12.5 KM/ H.HOPE THIS HELPS.

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onsider GRAVITY as a force then we can assume that the force is PULLING everything down towards the center of the earth. Now when we LIGHT up a candle, the flame is going against the gravitational force because it is ignited by the OBSERVER.

liquids. … any free CARRIERS of electric charge in the liquid, and the liquid, therefore, conducts electricity. Such carriers are of two kinds: mobile electrons and ions.One is electrons, which carry a negative electric charge. In addition, it is CONVENIENT to treat the traveling vacancies in the VALENCE BAND electron population (holes) as a second type of charge CARRIER, which carry a positive charge equal in magnitude to that of an electronExplanation:

The ELECTRIC POTENTIAL on the SURFACE of a sphere of RADIUS Rand charge 3×10−6C is 500V. The intensity of electric field on the surface of the sphere (inNC−1) is Explanation:hii

Number of electrons - 20 million Time - 2 micro secondFind - DIRECTION and MAGNITUDE of currentSolution - Magnitude of current is calculated by the formula - Q = I*T.In the formula, q is charge, I is current and t is time. Further Q can be represented as - Q = ne, where n is number of electrons and e is charge on ELECTRON. Equating both the equations,n*e = I*tKeeping the values in equation-n = 20 million = 2*10^7T = 2 micro second = 2*10^-6 seconds.2*10^7*1.6*10^-19 = I*2*10^-6I = 1.6*10^-6 CDirection of current will be from Y to X. This is because current is directed towards movement of positive charges.

sphere now has −7,2×10−18 C of CHARGE. We know that charge is quantised and that electrons CARRY the base unit of charge which is −1,6×10−19 C.

If the DISPLACEMENT of an object is proportional to the square of the time TAKEN then the body is moving with uniformly ACCELERATED motion as it will FOLLOW Newton's SECOND equation of motion for a particular initial velocity, which can be given by, s=ut+21at2Explanation:

The INTERMEDIATE and the end product of glucose breakdown in aerobic respiration is Carbon DIOXIDE (CO2), WATER (H2O) and the ENERGY ( 38 MOLECULES of ATP)

Explanation:INITIAL SPEED, U = 5 M/SFINAL SPEED , V=   M/STIME TAKEN , T =  SECONDS ACCELERATION , A=? WE KNOW THAT, ACCORDING TO NEWTONS LAWS OF MOTION.V= U+AT10 = 5 +A*25 = 2 AA= 5/2ACCELERATION= 2.5 M/S².HOPE THIS HELPS.

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The number of lines of force originating from a charge of 1 C is equal to the ELECTRIC flux through a closed surface enclosing a charge of 1 C . N = 1.29 × 10^11. Explanation: Flux is defined as how much of SOMETHING goes via a SPECIFIED region/area.Explanation: According to gauss's lawElectric flux through the closed surface is 1/e times the charge enclosed by it.Where,e is electrical permittivityHere,Electric flux=q/6e1/6×8.85×10^-12=1.475×10^-12 Nm^2C^-1I HOPE this helped youPLZZ.....MARK ME AS BRAINLIEST......

200,000 KILOMETERS PER SECOND in glass (REFRACTIVE index of 1.5).

So what????EXPLANATION:

When wire is stretched 3 times of its original length, its resistance will increase 9 times, because when length INCREASES radius decreases i.e. area decreases. But volume i.e. area × length remains same . LET A1 & A2 be original and new areas and let l1 and l2 be original and new lengths A1×l1 = A2×l2 A1/A2 = l2/l1 Let R1 be original resistance and R2 be new resistance R=(resistivity × length )/area Taking ratio of R2 to R1, (R2/R1) = (A1/A2) ×(l2/l1) Putting (A1/A2) = (l2/l1) (R2/R1) = (l2/l1))^2 If l2 = n × l1 R2/R1 = n^2 R2 = n^2 × R1 In general if length increased n times , resistance increases n^2 times. Resistivity is property of MATERIAL, it do not change with change in dimensions. THEREFORE resistivity will remain the same. Hope understood.Explanation:

Base quantities A base quantity is a PHYSICAL quantity in a subset of a GIVEN system of quantities that is chosen by convention, where no quantity in the set can be expressed in terms of the others. ... The symbols for them, as for other quantities, are WRITTEN in italics.please MARK it as a brainliest ANSWER and follow me

1 hour = 60 MINUTES1 MINUTE = 60 secondsThus 1 hour = (60 X 60) seconds                     = 3600 seconds1 day = 24 hours          = 24 X 3600 seconds (Since 1 hour = 3600 seconds)          = 86400 seconds1 year = 365 days           = 365 X 86400 seconds  (Since 1 day = 86400 seconds)           = 31536000 seconds12 YEARS = 12 X 1 year               = 12 X 31536000 seconds               = 378432000 seconds1 month = 30 days              = 30 X 86400 seconds  (Since 1 day = 86400 seconds)              = 2592000 seconds3 months = 3 X 2592000 seconds                =  7776000 secondsTherefore, 12 years + 3 months = 378432000 + 7776000                                                       = 386208000 secondsThus your answer is 386208000 seconds

250,000kgExplanation:v. of TANK =12.5m  ×  10.0m  ×  2.0m =250m³d. of WATER = 1000kgm⁻³mass = ?d=m÷vm=d×v250m³×1000kgm⁻³=250,000kg         pleaseeeee MARK as BRAINLIEST                      (my first try)

ete completes 100 m race on a straight track.Since it is not given that it returns to its starting point again or it starts from here and then returns back. So, the DISTANCE TRAVELLED by the athlete is 100 m. (As it is a straight track)Also, the displacement is 100 m.But if it was given that it completes 100 m race on a straight track and return back to it's the ACTUAL position. Then the distance covered by the athlete will be 200 m (100 + 100).And the displacement BECOMES zero. As it's starting and ending points are same.Cases where displacement must be zero:- If the object move has moved some distance and returned at the same initial point in the end then the displacement is zero.- If the object doesn't TRAVEL any distance then displacement must be zero.- If it is the circular track.