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(B) MOVING with CONSTANT VELOCITY

ANSWER:

B STRAIGHT line

Explanation:

1 st bulb have :-

Power = 60w

2 nd bulb have :-

Power = 40w

Potential DIFFERENCE = 220 v

Which bulb has lesser resistance=?

For finding the resistance of both BULBS, we have to use the relation between power,resistance and voltage.

It is given by formula:-

★

Now, we can PUT the value of given quantities.

Resistance of 1st bulb =

Now,resistance of 2 nd bulb =

from above we can say that :-

★

therefore, bulb 1 st has lesser resistance than bulb 2 nd.

P=m(V2-V1)

p=1500(72-36)

=1500*36

=54000

hope this HELPS U

ACCELERATION is the ANSWER

HOPE this HELPS U

EXPLANATION:

In ATTACHED IMAGE ...........................

EXPLANATION:

cricket ball is a hard, solid ball used to play cricket. In men's cricket the ball must weigh between 5.5 and 5.75 OUNCES (137.5 and 143.8 g) and measure between 8 13/16 and 9 in (220 and 225 mm) in circumference. Appearance: A cricket ball is usually RED, white or pink depending UPON the GAME and has a seam over it.

ACCELERATION REMAINS CONSTANT during CIRCULAR MOTION

Answer:

It’s true, without telling us how long it took to travel from A to B at 30 kmph, there’s no way of telling how far AWAY it is. Seems like someone may be trying to trick you.

The second speed GIVEN is also irrelevant, as the distance from A to B is the same as the distance from B to A. In that sense you could say the distance traveled by the CAR is 2 x the distance from A to B.

If you look at the situation in a DIFFERENT way, then the distance traveled by the car is 0 km, miles, inches…whatever. Because the car ENDS at its point of origin, the distance traveled from start to finish is nothing.

HOPE it HELPS you.......

Answer:

0.1A

Explanation:

LET US Assume the Three Resistors as R1, R2 & R3

∴ R1 & R2 are in Series

∴Rs = R1 + R2

      = 30 + 30

      = 60 Ohms

 Rs = 60 Ohms

By PUTTING R1 & R2 in Series, They become as a Single Resistor.

∵ R1 & R2 have became as a Single Resistor

∴ Rs & R3 are in PARALLEL Connection

∴ 1/Rp = 1/Rs + 1/R3

           = 1/60 + 1/30

           = 2 + 1/60

   1/Rp = 3/60

      Rp = 60/3

            = 20

       Rp = 20 Ohms

W.K.T

         V = IR

          I = V/R

          I = 2/20

          I = 1/10

          I = 0.1

          I= 0.1 A

I Hope this Explanation will be helpful to You...

ANSWER:

CATTY po

Explanation:

Where is the QUESTION?

Answer:

5 m/s

Explanation:

ACCORDING to the given question,

speed = 18 KM/h

And we know,

• 1 km = 1000 m

• 1 h = 3600 s

Thus,

• speed = 18 km/h

• speed = 18×1000/3600

• speed = 5 m/s

Thus speed will be 5 m/s ANS.

concave mirror :forms both real and virtual images sometimes image beyond mirror MAGNIFIED enlarged or same size image depends on OBJECT POSITION

convex mirror: always virtual

plane mirror:virtual , upright, left-right reversed, image distance is EQUAL to object distance ,same size

When ICE is HEATED it CHANGES its state from SOLID to liquid.

EXPLANATION:

l=mv²r=nh/2π is the FORMULA of ANGULAR MOMENTUM

=Determine the moment of inertia of the crosshatched REGION about the X AXIS. CROSS section about the x axis.about the x and y axes.✔✔

ANSWER:

2*40*60/40+60=48 HENCE answer is 48

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ANSWER:

answer is  3 / T.

Explanation:

Given the gas is an ideal gas. Hence P V = n R T     ---- (1)

Given also that the gas follows a process such that the equation

   P T² = Constant = C (say)       ---- (2)

Hence,   C/T² * V = n R T

      =>   V = (n R /C) T³           ---- (3)

Differentiating WRT T we get:    dV = 3 (nR/C) T²  dT   ---- (4)

Thermal Coefficient of volume expansion of the given gas during the given process is defined as :

       (dV/dT)/ V = (dV/V) * 1/dT     ---- (5)

        which comes to 3/T USING the equations above.

ans: 3/T

This action do not increase its TEMPERATURE due to FRICTION between hammer and iron SHEET it GETS heated.

ANSWER:

the retaration of CAR SPEED is 25

ANSWER:

D. it means there is discharging in the region

Explanation:

if there is no any electric FIELD it does not IMPLIES that there is no net charge there may be EQUAL and opposite charges.

I t it's helpful for you

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ANSWER:

the STONE will follow a straight LINE path

Explanation:

no FORCE acts on a FREELY falling body

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FALSE, the motion of earth around the sun is accelerated as it is moving in an approximately circular PATH around the sun(the path is elliptical but can be APPROXIMATED as circular).

Answer:

d>s and d=s

Explanation:

According to the GIVEN question,

s = displacement and d = distance

And we are asked to FIND CORRECT relationship between them.

We know, distance is the total* length between two points whereas displacement is the shortest* length between two points.

Thus displacement can't be GREATER than distance.

• So, d>s

Again, we know for linear motion without change in direction displacement is equal to distance.

• Thus, d=s

So there can be two answers.

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20+30/2=25km/hr

CORRECT ANSWER = 25

Here is the ANSWER...!!

Its DIAMETER (in MM) WOULD be 2.591

Hope it HELPS...!!

ANSWER: EVEN i NEED an answer for this

Explanation:

Answer:

There is USB port that convert's AC current to DR current

HEY here is ur answer

In physics refraction is the change in direction of a wave passing from one medium to another or from a gradual change in the medium. Refraction of

light is the most commonly observed phenomenon, but other waves such as sound waves and WATER waves ALSO experience refraction

Two laws

• The incident ray, reflected ray and the NORMAL, to the interface of any twogiven mediums; all lie in the same plane.
• The ratio of the sine of the angle of INCIDENCE and sine of the angle of refraction is constant.

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Answer:

80 sec

Explanation:

According to the given question,

l = length of the TRAIN = 150 m

d = length of the bridge = 850 m

v = velocity = 45 km/h = 45×1000/3600

= 12.5 m/s

t = time

And we are asked to find the time taken to cross the bridge.

We KNOW, to cross the bridge the train needs to cross the bridge and itself too THUS,

• s = total distance = 150+850

• s = 1000 m

Again, we know

• distance = velocity×time

• time = distance/velocity

• t = s/v

Putting the VALUES we get,

• t = 1000/12.5

• t = 80 sec.

Thus it will TAKE 80 sec.

Answer:

COULD u explain PROPERLY what UR ASKING

For the FIRST 5 s the v-t GRAPH will be a straight line and for the NEXT 5 s it will be a straight line PARALLEL to time AXIS

ANSWER:

EXPLAIN your QUESTION PROPERLY

a PART is the CORRECT answer

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Here is your answer...✌

=================================

GIVEN:

Volume of water , V= 5 LTR = 5000 cm³

{ 1 Ltr = 1000cm³}

Mass of water , M = 5 KG = 5000 G

{ 1 kg = 1000 g }

Now,

Density,

D = M/V

D = 5000 g/ 5000 cm³

D = 1 g/cm³

Hence,

The density of water is 1 g/cm³

Here,

m=-2

U=-22 CM

Therefore,

m=(-V)/u

=>MU= -v

=>(-2×-22)=-v

=>44=-v

=>v=-44 cm

ANSWER:

KINDLY FIND the ATTACHED DOCUMENT

Answer:

the sky appears dark instead of blueto

an astronaut because there is noatmosphere in the outer space that can scatter the SUNLIGHT as the SUN LIGHT is not scarred no, scattered light REACH the eyes of

the astronautsand the sky APPEAR black to them

Answer:

VELOCITY is the physical QUANTITY which changes CONTINUOUSLY during uniform circular motion and speed remains CONSTANT. >> Velocity is the physical quantity which changes continuously in uniform circular motion✌✌✌✌✌✌

ANSWER:

From TIME SECOND DISTANCE, Distance Is odd

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ANSWER:

in an aeroplane at a HIGHT of 1 km

Explanation:

because .. when we move from earth to sky then g is decrease and we move from sky to earth g increase .so OPTION d is CORRECT

Plane angles are drawn or FOUND on palne surface,where as SOLID angles are drawn or found on solid 3D materials.

Plane angles are called 'radian'.

And solid angles are called 'steradian'.

Palne angles = Arc/radius ,where as

Solid angles = S.A/radius^2

Hope this will HELP you........

ANSWER:

only the SPRING TYPE BALANCE without any change

HI buddy

Here is your ANSWER

Acceleration is ZERO when the velocity is CONSTANT.

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