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Mass is the AMOUNT of matter in an OBJECT and is EXPRESSED in kilograms. Acceleration is the rate of change of velocity of an object in the same straight line of the unbalanced force. Force (N) = mass (kg) × acceleration (m/s²). Thus, an object of CONSTANT mass ACCELERATES in proportion to the force applied.

Answer:

2 SECONDS.

EXPLANATION:

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ANSWER:

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ANSWER:

Correct option is

B

7.5V,−2.5V

As the all CAPACITANCE are same and in SERIES so POTENTIAL across each =10/4=2.5V

now, V

A

−V

N

=2.5+2.5+2.5=7.5

or V

A

−0=7.5⇒V

A

=7.5V

and V

N

−V

B

=2.5

or 0−V

B

=2.5

or V

B

=−2.5V

Answer:

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EXPLANATION:

Answer:

Magnetic moment of a current loop: The torque on current loop is τ = MBsinθ, where θ is angle between magnetic moment and magnetic field. ... i.e., magnetic moment of a current loop is the product of NUMBER of turns, current flowing in the loop and area of loop. Its DIRECTION is perpendicular to the PLANE of the loop.

Answer:

Blue-Green Algae are widely DISTRIBUTED in TROPICAL wet land rice FIELDS where they PLAY important ROLE in building soil fertility.

Answer:

Manmade fibres are made from various chemicals, or are REGENERATED from plant fibres. Examples of manmade fibres are: POLYESTER; polyamide – (NYLON); acrylics; VISCOSE, made from wood bark; Kevlar, a high-performance fibre; and NOMEX, a high-performance fibre.

EXPLANATION:

RETARDATION is the DOWNFALL of acceleration

So

within 20m

change is speed = 90km/h - 5km/h

= 85km/h

Retardation is

85km/h

ANSWER:

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EXPLANATION:

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Answer:

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Explanation:

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We KNOW

ANSWER:

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Answer:

EVAPORATION is the PROCESS by which WATER CHANGES from a liquid to a GAS or vapour.

Answer:

Water has the HIGHEST SPECIFIC heat capacity of any liquid. Specific heat is defined as the amount of heat one GRAM of a substance must ABSORB or lose to change its temperature by one degree Celsius.

ANSWER:

By zapping a piece of aluminum with the WORLD's most powerful x-ray laser, physicists have heated MATTER to 3.6 million DEGREES FAHRENHEIT (2 million degrees Celsius)—making it briefly the hottest thing on Earth.

Answer:

Motion

Explanation:

Motion, in PHYSICS, CHANGE with time of the POSITION or orientation of a body. ... Motion along a line or a curve is CALLED translation. Motion that changes the orientation of a body is called rotation.

ANSWER:

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ANSWER:

the branch of science concerned with the nature and properties of matter and ENERGY. The subject matter of physics includes mechanics, heat, light and other RADIATION, sound, electricity, magnetism, and the STRUCTURE of atoms.

the physical properties and phenomena of something

plural noun: physics

Explanation:

In physics, motion is the phenomenon in which an OBJECT CHANGES its POSITION over time. Motion is mathematically described in terms of displacement, DISTANCE, velocity, ACCELERATION, speed, and time.

Answer:

Now,if the HEAVY body has less velocity and LIGHTER body has GREATER velocity then they can be equal

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Explanation:

AVERAGE ACCELERATION= (v-u)/t

moving in uniform CIRCULAR motion

so,speed constant

v-u=5

t=5

so acceleration =1

Answer:

According to EINSTEIN'S special RELATIVITY equation : -

E = MC^2

GIVEN : -

Mass = 1 Kg

Therefore ;

E = 1 × ( 3 × 10^8 ) ^2

= 9 × 10^8 × 10^8 Joule

( As , Speed of LIGHT / C = 3 × 10^8 m / SEC. )

E = 9 × 10 ^ 16 Joules

ANSWER:

Halogen lamp

Halogen lamps are usually much smaller than standard incandescent lamps, because for successful OPERATION a bulb temperature over 200 °C is generally NECESSARY. For this reason, most have a bulb of fused silica (quartz) or ALUMINOSILICATE glass.

Explanation:

I have this

Answer:

Given

moment of force (p)=20N

perpendicular distance between the point

of APPLICATION of force =20

to find

the MAGNITUDE of force

solution the moment of the force is given bye the relation

Momentum =force×distance

by SUBSTITUTING the VALUE in the given relation

20=FX (20×10-2)

• F=100N

the magnitude of the force is 100N

Explanation:

that is answer

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ANSWER:

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Explanation:

PLEASE SEE the ATTACHED PICTURE DEAR

Answer:

the ball-and-stick model is a MOLECULAR model of a chemical SUBSTANCE which is to molecular MODELING kits, consisting of a number of coil SPRINGS or plastic or wood sticks, and a number of plastic balls with pre-drilled holes.

ANSWER:

I don't KNOW this answer

Answer:

Physics don't got any disadvantage in my OPINION and its ADVANTAGES u know it WELL for EXAMPLE now u r sleeping u r at REST u r running u r at a motion etc...

Natural FIBERS or natural fibres (see SPELLING differences) are fibers that are produced by GEOLOGICAL processes, or from the bodies of plants or animals. They can be used as a component of COMPOSITE materials, where the orientation of fibers impacts the properties.

Explanation:

Given: 5 g of ICE at −10

o

C are mixed with 20g of water at 30

o

C. Specific heat of ice is 0.5 and latent heat of water 80calg

−1

.

To find the final temperature of the mixture

Solution:

We know,

Specific heat of water, s

1

=4.18J/(g

∘

C)=1cal/(g

∘

C)

As per the given condition,

MASS of ice, m

2

=5g

Mass of water, m

1

=20g

Temperature of ice, T

2

=−10

∘

C

Temperature of water, T

1

=30

∘

C

specific heat of ice, s

2

=0.5cal/g.°C

latent heat of water L=80calg

−1

.

Let the final temperature be, T

Here, Heat lost by 20g water = Heat energy needed to change the temperature of ice from –10°C to 0°C + Latent heat needed to change ice at 0°C into water at 0°C + heat absorbed by water (melted ice)

m

1

s

1

(T

1

−T)=m

2

s

2

(0−T

2

)+m

2

L+m

2

s

2

(T−T

2

)

⟹20×1×(30−T)=5×0.5(0−(−10))+5×80+5×1×(T−(0))

⟹600−20T=25+400+5T

⟹25T=600−400−25

⟹T=7

∘

C

is the final temperature

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ANSWER:

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Explanation:

I = 100mA= 100× 10^-3 A= 0.1 A

V = 0.5 V

V = IR

R = V/I = 0.5/0.1= 5 ohm

:. R =5 ohm

Your ANSWER is option 3) between centre of and focus.

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ANSWER:

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ANSWER:

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ANSWER:

Sometimes when you hit an object repeatedly, it can EVEN change the SHAPE and size of the object, but the composition of the object is the SOLE property of the object and it does not change due to the effect of the force.

ANSWER:

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ANSWER:

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Answer:

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Answer:

This is answer hope it HELPS

EXPLANATION:

With increase in temperature, the surface TENSION of the liquid increases. A : On INCREASING temperature the angle of contact GENERALLY decreases. R: With rise in temperature, the surface tension of liquid increases. The imperfection in crystal increases with increases in temperature.

ANSWER:

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Explanation:

In optics, dispersion is the phenomenon in which the phase velocity of a WAVE depends on its frequency. MEDIA having this common property may be termed DISPERSIVE media. SOMETIMES the term chromatic dispersion is USED for specificity

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EXPLANATION:

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Answer:

In electronics, a Schmitt TRIGGER is a comparator circuit with hysteresis implemented by applying positive feedback to the noninverting input of a comparator or differential amplifier. It is an active circuit which CONVERTS an analog input signal to a digital output signal. The circuit is named a "trigger" because the output retains its value until the input changes sufficiently to trigger a change. In the non-inverting configuration, when the input is higher than a chosen THRESHOLD, the output is HIGH. When the input is below a different (lower) chosen threshold the output is low, and when the input is between the two levels the output retains its value. This dual threshold action is called hysteresis and implies that the Schmitt trigger possesses memory and can act as a bistable multivibrator (latch or flip-flop). There is a close relation between the two KINDS of circuits: a Schmitt trigger can be converted into a latch and a latch can be converted into a Schmitt trigger.

EXPLANATION:

KELVIN= DEGREE CELSIUS + 273

          = 75 + 273

          =       348K

Answer:

Explanation:

SINCE, we know the formulae of the area is known to be length*breadth. So, the the ERROR in the length and breadth separately will be L*B or deltaL + deltaB where the value of the length and breadth error are 1% respectively.

So, the error in the area will be 1+1= 2%. Since, there are no multiple or power of the variables HENCE the error will be same.

ANSWER:

where is the GRAPH SEND PLEASE

ANSWER:

ok

Explanation:

This QUESTION is not UNDERSTAND