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My dear FRND if the earth doubles its radius and with same mass there is no change in the TIME...of day and night because...Time is INDEPENDENT on LENGTH.....
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# ANSWER- I=[(mNa.mCl)/(mNa+mCl)]r^2

# Explanation-

# Moment of inertia-

Moment of inertia is the inertia of a rotating body with respect to its rotation.

For any DIATOMIC molecule

Moment of inertia arpund centre of MASS is GIVEN by

I=[(m1.m2)/(m1+m2)]r^2

Consider NaCl molecule with atomic mass of sodium mNa and that of chlorine mCl with bond length r.

Moment of inertia through centre of mass is given by

I=[(mNa.mCl)/(mNa+mCl)]r^2

Sorry I don't KNOW so but MU is equal to sin I by sin R

ANSWER:

In shade

Explanation:

Because the RATE of EVAPORATION increases with increase in temperature.

And the temperature is more in sunlight than in shade.

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The gravitational PULL between them causes them to ORBIT around their common CENTER of mass. From the orbital pattern of a visualbinary, or the time variation of the spectrum of a SPECTROSCOPIC binary, the mass of its stars can be determined, for EXAMPLE with the binary mass function

In CLASSICAL MECHANICS, IMPULSE is the integral of a force, F, over the time interval, t, for which it ACTS. Since force is a vector quantity, impulse is also a vector in the same DIRECTION. Impulse applied to an object produces an equivalent vector change in its linear momentum, also in the same direction.

SI unit: Newton second (N⋅s)

Other units: pound⋅s

Common symbols: J, Imp

Dimension: momentum

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7. OPTION c

8. Option d

9. Option a

10. Option d

Aim
To determine the internal resistance of given primary cell USING potentiometer.

Apparatus
A potentiometer, a battery (or battery eliminator), two one-way keys, a RHEOSTAT of low resistance, a galvanometer, a high resistance box, a fractional resistance box, an ammeter, a voltmeter, a cell (SAY Leclanche cell), a JOCKEY, a set square, connecting wires and a piece of sand PAPER.

If the string in the BAG is THIN due to low AREA of contact the string applies HIGH pressure on our hand.
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❤️HEY MATE❤️

⬇️ANSWER ⬇️

⭐⭐COLOUR SUBSTRACTION IS A PROCESS IN WHICH THE ULTIMATE COLOUR APPEARANCE IS DETERMINED BY BEGINNING WITH A SINGLE COLOUR⭐⭐

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ANS.15 (2)+7j
ANS.16 (3)1
ANS.17. (1)

1. Speed

2. CONSTANT velocity

3. Newton

4. Law of inertia

5. Momentum

6. Newton second law of motion

Which BOOK it is of and which CLASS are U

HII


THIS IS BECAUSE THE FORCE OF GRAVITATION REDUCES AT THE EQUATOR.



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HEATER
1KW=1000w
2KW= 1000×2=2000w
TV
200w
BULB
3×100=300w
total watt=2500w
KW=2500÷1000=2.5KW
E=P×T
=2.5×4 (HOUR 6PM TO 10PM)
=10.0
=10KWH
Total price =10×5.50
=55.00 RS

Rolling without slipping is a COMBINATION of translation and rotation where the point of contact is instantaneously at rest. The object will also move in a straight line in the ABSENCE of a net external force
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An object of mass, m is moving with a constant velocity, V. How MUCH work should be DONE on the object in order to bring the object to rest. This is the ENERGY of the object with which the body is moving, hence same amount of energy is required to stop the body

The law of MOMENTUM conservation can be STATED as follows. For a COLLISION occurring between OBJECT 1 and object 2 in an isolated system, the total momentum of the two objects before the collision is equal to the total momentum of the two objects after the collision.

5.125m/s is the VELOCITY of MOON

Method 3 Testing Current Resistance

Connect the voltmeter to the positive terminal on the battery. ...

Connect the negative lead to the ground terminal. ...

OBSERVE the reading on the voltmeter. ...

Have a friend turn the ignition. ...

Move the voltmeter to the leads on the STARTER solenoid. ...

LOOK for an appropriate voltage DROP

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_____________________________
_____________________________


When we raise a STONE or any object to a height then it GAINS 'Potential Energy'
in it.
The main reason of happening is the GOING of a material against the force of gravity.


•• Formula of potential energy is = 'mgh' ••


Where, m = mass of object

g = gravity (9.8m/s²)

h = height of object.

______________________________
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The fuse breaks the circuit if a fault in an appliance causes too much current FLOW. This protects the wiring and the appliance if something GOES wrong. The fuse contains a PIECE of wire that melts easily. If the current GOING through the fuse is too GREAT, the wire heats up until it melts and breaks the circuit.

GUITAR,VIOLIN String

Flute AIR column

Tabla. SKIN MEMBRANE

It is a retardation. Because the speed of water has decreased.
So, acceleration => Final velocity - Initial velocity / Time

=> acceleration = 6 - 12 / 3
=> acceleration = -2 m/s ^2

So, the answer is -2 m/s^2.

The electric potential at the center of the square has to be CALCULATED. the distance of the CHARGES from the centre of the square, rshould be EQUAL to 1/2 the length of the DIAGONAL.

Yes, it is wrong to rigidly say the above statement.

Vectors, unlike scalars, are quantities that have both MAGNITUDE and direction. Their starting POINTS are not fixed, while their ending points are naturally governed by the application of both magnitude and direction.

As a RESULT, rigidly stating that vectors originate only from the ORIGIN is incorrect. They may or may not START at the point (0,0).

Smaller black holes can form from the GRAVITATIONAL collapse of a gigantic STAR, which forms a singularity from which nothing can escape — not even light, HENCE the name of the object. No one is quite sure what lies within a black hole, or what would happen to a person or object who fell into it – but research is ongoing.

An example is gravitational waves, or ripples in space-time that come from interactions between black holes. This was FIRST predicted by Albert Einstein at the turn of the LAST century, when he showed that time and space are linked; time speeds up or slows down when space is distorted.

Why we shoulď conserve ENERGY resouce ? how MANY types of energy. using XAM idea book for more QUESTION

Ans-1)the HORIZONTAL APPLIED FORCE,
2)FRICTION force.
hope this helps you out

The galaxy MACS0647-JD (inset) appears very young and is only a fraction of the SIZE of our own Milky WAY. The galaxy is about 13.3 billion light-years from Earth, the FARTHEST galaxy yet known, and FORMED 420 million years after the Big Bang. Image taken by Hubble Space Telescope on Nov. 29, 2011, and released Nov. 15, 2012. Original Image

Credit: NASA, ESA, and M. Postman and D. Coe (STScI) and CLASH Team

I^2(R1+R2)T
i.e.:
SQ. of CURRENT × (R1+R2)×TIME

A sure TEST of electrification is repulsion.
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Potential ENERGY (P. E.) = mgh
=10Kg*10m/s^2 * 1 metre(since 100cm=1m)
=10*10*1
=100 Joules
PE = KE (Because of the law of conservation of energy.)
100J = 1/2 * m * v^2
100J = 0.5*10*v^2
100J = 5*v^2
100J ÷ 5 = V^2
20 = V^2
V =

= 4.472 m/s
= 4.5 m/s (APPROX.)
Therefore, the Kinetic Energy is 100 Joules and the Velocity is 4.45 m/s (approximately).
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Oh for tomorrow exam here are some of the questions

what is a FORCE ?

what are the different TYPES of forces what are they

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