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ANSWER:

i don't KNOW sorry

Explanation:

MARK me as BRAINLIEST if POSSIBLE

ANSWER:

EXPLANATION:

PLS MENTION what should i do

ANSWER:

do you PLAY FF GIVE the I'd or NAME

Answer:

ELEMENTS can be made of one atom, like He, or be elemental molecules, such as HYDROGEN (H2), oxygen (O2), chlorine (Cl2), ozone (O3), and SULFUR (S8). Atoms are not drawn to scale. Some elements are monatomic, meaning they are made of a single (mon-) atom (-ATOMIC) in their molecular form. Helium (He, see FIG.

Explanation:

Elements can be made of one atom, like He, or be elemental molecules, such as hydrogen (H2), oxygen (O2), chlorine (Cl2), ozone (O3), and sulfur (S8). Atoms are not drawn to scale. Some elements are monatomic, meaning they are made of a single (mon-) atom (-atomic) in their molecular form. Helium (He, see Fig.

Answer:

Complete the table 1. CP= 560 SP 650 ,p/l amount = p%/L%=???.

2.Cp =75 Sp = L =6 p/l % =..

3. cp= 96 ,,, sp= l/p= amount,,, p%= 10%.

4. cp = ??? ,,,sp=270 p/l amount =,,,l% =10%

Answer:

5192119603 12345 COME on OKAY

ANSWER:

these are the TERMINOLOGY of SPHERICAL MIRROR

ANSWER:

It is CONNECTED to a resistance of 3.9 OHM. The voltage ACROSS the cell is 0.5V.

ANSWER:

yysttskdyksleykyswyta KAUN other Ishq OVERCAME off ke III k1

w=force MULTIPLIED by ACCELERATION....now UH can do it UR SELF...

SORRY I can't UNDERSTAND

Answer:

TYPE or ASK in English

Explanation:

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EXPLANATION:

You saw that light bends toward the normal in this situation, and that the angle in the denser MEDIUM will be SMALLER than the angle in the rarer medium. ... When light TRAVELS from a denser medium to a rarer medium, it bends away from the normal, as illustrated to the left. This behavior FOLLOWS from Snell's Law.

ANSWER:

SORRY i don't know

Explanation:

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ANSWER:

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Explanation:

ANSWER:

explanationan object is PLACED in front of the plane mirror of length L at a DISTANCE d of its BISECTOR line an observer is at a perpendicular distance of 2d from that mirror if the observer is walking parrellel to the mirror up-to what maximum possible distance he can OBSERVE the image of that object . Please answer correctly with explanation

ANSWER:

Answer is in ATTACHMENT MARK me as BRAINLIEST

ANSWER:

In graph 1 it is uniform acceleration. in graph 2 it is uniform velocity. in graph 3 it is retardation. The following graph represents uniform motion in such a way that the BODY covers a particular DISTANCE in a particular time and comes back to initial POSITION in same time.

ANSWER:

JAN MARA

Explanation:

jan mara

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jan mara

Answer:

A stone thrown vertically UPWARDS with initial velocity u REACHES a HEIGHT

′

h

′

before coming down. Show that the time taken to go up is same as the time taken to COME down.

ANSWER:

d) is the answer 100% SURE MARK me as BRANLIEST

Answer:

Young’s Modulus is GIVEN by,

Y = Stress/Strain

Stress = Force/Area

Strain = change in length/length = dimensionless

Therefore, dimension of Y is [ML-1T-2]

LET,

[FxAyVz]  = [ML-1T-2]

=> [MLT-2]x [LT-2]y [LT-1]z = [ML-1T-2]

=> [MX Lx+y+z T-2x-2y-z] = [ML-1T-2]

Thus,

x = 1

x+y+z = -1

-2x-2y-z = -2

Solving we get,

x = 1, y = 2, z = -4

So, the required dimension is [FA2V-4]

Explanation:

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ANSWER:

MARK me as the BRAINLIEST

hshsbjsjsjjsjsnbsjsjsj BABY

ANSWER:

to LOSE FRESHNESS, STRENGTH, or VITALITY

Answer:

Types of FORCE -

I) Contact Force

ii) NON - contact force

iii) FRICTIONAL force

iv) Magnetic force

v) Electrostatic force

vi) GRAVITATIONAL force

vii) Nuclear force

Hope it helps PLEASE mark this answer as the brainliest answer and thanks me please....

Answer:

4 ms^-2

Explanation:

initial VELOCITY = 0

time period = 2 s

LAST velocity = 8 m/s

now,

ACCELERATION = (last velocity - initial velocity) / time

acceleration = (8-0) / 2

acceleration = 4 ms^-2

ANSWER:

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Explanation:

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ANSWER:

Explanation:

The acceleration of BODY moving with uniform VELOCITY is ZERO, because there is no change in velocity.

Answer:

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EXPLANATION:

Linear motion, also CALLED rectilinear motion, is one-dimensional motion ALONG a straight line, and can THEREFORE be described mathematically USING only one spatial dimension.

An object is a MOVING in a certain DIRECTION with an acceleration in the perpendicular direction. The above condition is POSSIBLE. Example of such a situation in real life WOULD be when a stone tied to a STRING is whirled in a circular path.

<STRONG>ANSWER:

IMMUNITY, strong,FAST

ELECTROMAGNET, device consisting of a core of magnetic material surrounded by a coil through which an ELECTRIC CURRENT is passed to MAGNETIZE the core. An electromagnet is USED wherever controllable magnets are required, as in contrivances in which the magnetic flux is to be varied, reversed, or switched on and off.

Answer:

An emulsion is a colloidal solution of TWO liquids, ONE of which is an OIL and the other one is WATER. For example, milk is an emulsion. It is colloidal solution of liquid fat in water.

ANSWER:

The magnitude of average velocity and average speed will be the same when the total distance TRAVELLED is equal to the displacement

Explanation:

HOPE IT'S HELP YOU ಥ‿ಥ

Answer:

Measurement is the act, or the result, of a QUANTITATIVE comparison between a GIVEN

quantity and a quantity of the same kind chosen as a unit. The result of the measurement is

expressed by a pointer deflection over a predefined scale or a number representing the

ratio between the unknown quantity and the standard. A standard is defined as the physical

personification of the unit of measurement or its submultiple or multiple values. The

device or instrument used for comparing the unknown quantity with the unit of

measurement or a standard quantity is called a measuring instrument. The value of the

unknown quantity can be measured by direct or indirect methods. In direct measurement

methods, the unknown quantity is measured directly instead of comparing it with a

standard. Examples of direct measurement are current by ammeter, voltage by voltmeter,

resistance by ohmmeter, power by wattmeter, etc. In indirect measurement methods, the

value of the unknown quantity is determined by measuring the functionally related

quantity and calculating the desired quantity rather than measuring it directly. Suppose the

resistance as (R) of a conductor can be measured by measuring the voltage drop across the

conductor and dividing the voltage (V) by the current (I) through the conductors, by

Ohm’s

1.2 FUNDAMENTAL AND DERIVED UNITS

At the time of measuring a physical quantity, we must express the magnitude of that

quantity in terms of a unit and a numerical multiplier, i.e.,

Magnitude of a physical quantity = (Numerical ratio) × (Unit)

The numerical ratio is the number of times the unit occurs in any given AMOUNT of the

same quantity and, therefore, is called the number of measures. The numerical ratio may

be called numerical multiplier. However, in measurements, we are CONCERNED with a large

number of quantities which are related to each other, through established physical

equations, and therefore the choice of size of units of these quantities cannot be done

arbitrarily and independently. In this way, we can avoid the use of AWKWARD numerical

constants when we express a quantity of one kind which has been derived from

measurement of another quantity.

In science and engineering, two kinds of units are used:

• Fundamental units

Acceleration is the increase in velocity PER second, while RETARDATION is the DECREASE in velocity per second. THUS, retardation is negative acceleration. In GENERAL, acceleration is taken positive, while retardation is taken negative..

From the QUESTION a  GRAPH is DRAWN above,

AREA of v−t graph⟹ DISTANCE travelled

vavg=t1+t2+t38s

21vm×t1=s

t1=vm2s

t2×vm=2s

t2=vm2s

21×t3×vm=5s

t3=vm10s

vavg=vm2s+vm2s+vm10s8s

vmvavg=74

________________________________

Answer:

Length of RUNWAY = 3.752 km.

Explanation:

Given:

Initial velocity of aeroplane = 225 km/hr

Time taken to stop = 2 minutes.

To FIND:

Acceleration and length of the runway

Formulas used:

Let u => initial velocity, V => FINAL Velocity , a => acceleration ,t => time and s => distance

1. v = u + at

2. v² = u² + 2as

Conversion:

225 km = 225 × (5/18) = 62.5 m/s

and 2 minutes = 120 seconds.

Calculation:

v = u + at

=> at = v - u

=> a = (v-u)/t

=> a = (0 - 62.5) /120

=> a = - (62.5/120)

=> a = - 0.520 m/s²1)

Putting value of "a" in eq (2)

v² = u² + 2as

=> 0² = (62.5)² + 2 × (-0.520) × s

=> 1.041 × s = 3906.25

=> s = 3752.4 metres = 3.752 km.

So final answer is :

Acceleration is -0.520 m/s² and

Length of runway = 3.752 km

Negative sign in acceleration DENOTES retardation.

Answer:

40km/hr

Explanation:

TIME TAKEN- 8 hours

distance- 320 km

speed= x

distance=time taken × speed

320= 8×x

x=320/8

x= 40

Answer:

Rectilinear motion

Explanation:

As displacement is DEPENDENT on DIRECTION it most likely be less than distance, since both are EQUAL , they are TRAVELLING in a STRAIGHT line

ANSWER:

simple.

Explanation:

g=9.8 or 10.

the MAGNITUDE we TAKING 10.

so,10×1=10 MG

Distillation

Distillation INVOLVES TWO processes EVAPORATION followed by condensation.

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ANSWER:

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Answer:

Dear students,

You will have to WRITE the LONG ANSWERS on A4 SIZE papers and SUBMIT the same in the school(main building )tomorrow i.e. *08.07.21* - between 7:30 AM to 12:30 PM.

*Thank you*.

ANSWER:

relitive MEANS our RELISION

Explanation:

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ANSWER:

PLACEMENT is ZERO of the MOVING BODY

Answer:

Explanation:

The ACCELERATION of BODY moving with uniform VELOCITY is ZERO, because there is no CHANGE in velocity.

ANSWER:

SORRY मुझे NHI PTA मम SORY

Explanation:

In PHYSICS and mechanics, torque is the ROTATIONAL EQUIVALENT of linear force. It is also referred to as the moment, moment of force, rotational force or turning effect, depending on the field of study. The CONCEPT originated with the studies by Archimedes of the usage of LEVERS.