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Answer:

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ANSWER:

i AA has more INERTIA than B

आरंभ + इक = आरंभिक

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ANSWER:

Answer - SPEED= 75

Explanation:

speed = DISTANCE/

time

speed = 300/

4

speed = 75

ANSWER:

EXPLANATION:

For METER bridge

Unknown resistance

R= 1^2/1^1 × X = 3/2 × 5=7.5Ω

Explanation:

CONFIGURATION in which the base of the transistor is common between EMITTER and collector CIRCUIT is called a common base configuration. The common base circuit ARRANGEMENT for NPN and PNP transistor is shown in the figure below. In common base-emitter connection, the INPUT is connected between emitter and base while the output is taken across collector and base.

ANSWER:

OPTION 2 is the CORRECT answer 1

Answer:

19.1570 m/s

Explanation:

s = 100 m

t = 7.83 s

v = s/t

  = 100/7.83

  = 19.1570 m/s

  = 19 m/s (APPROX.)

in Km/h

  = 19.570 * 1000/3600

  = 5.3213 Km/h

  = 5 Km/h (approx.)

ANSWER:

REARRANGE the following

by their environment/all the animals/and/are moulded/are PRODUCTS of/their habitat/has

Answer:

Consider a body rotating about an axis passing through a POINT Oand perpendicular to the plane of the PAPER. Let P be the position of a particle inside the body. If the body rotates through an angle 0 in a TIME interval of t, the particle at P REACHES P

Explanation:

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ANSWER:

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1.hydrostatic pressure

2.the liquid EXERTS the same

3.due to the WEIGHT of the column of WATER above

4.increases

5. ship

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Explanation:

CARBOXYLIC acids are derivatives of HYDROCARBONS in which one or more of the hydrogen ATOMS in the hydrocarbon have been replaced by a carboxyl GROUP.

Explanation:

These convex mirrors are USED for cars because they give an upright image and provide a wider field of VIEW as they are curved outwards. Convex mirrors are also often FOUND in the hallway of various BUILDINGS including hospitals, hotels, schools, stores and apartment building.

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EXPLANATION:

USES Of CONCAVE Mirror

Shaving mirrors.

Head mirrors.

Ophthalmoscope.

Astronomical telescopes.

Headlights.

Solar FURNACES.

Answer:

GD as BN jf vvb no odi if ch jc ch HV hii uc

Explanation:

if ch kh go if you if you re cb kk ke za rj KB but ch ch in ch uc dia vlc look FD fig ch jc ch jc ch mb CV bn

ANSWER:

A.900.8

Explanation:

900.8

Sig Figs

4

900.8

Decimals

1

900.8

Scientific Notation

9.008 × 102

E-Notation

9.008e+2

Words

nine HUNDRED POINT EIGHT

ANSWER:

PRESSURE= force/area

=15N/7.5

=2pascal

ANSWER: The principle of an electric motor is based on the current carrying conductor which produces magnetic field around it. A current carrying conductor is placed perpendicular to the magnetic field so that it experiences a force.

Split RING is USED for reversing the direction of current in the coil. ... Therefore, after every half rotation of the coil the direction of the couple rotating the coil remains the same and the coil continues its rotation in the same direction.

In commercial electric motors, field coils are used for producing magnetic fields and not a permanent magnet as in simple electric motors. These coils become magnetized when current is passed through them. ... Therefore, the suitable field coil SIZES are used for various commercial purposes.

Explanation:

Answer:

F=500N

Explanation:

given

Area A =0.0025m^2

and pressure,P=200 000

now we have to calculate the FORCE F

As we KNOW that ,

pressure= Force/pressure

= force =pressure×area

There for we GET

force, F =200,000×0.0025 N

200,000×25/10000

=2×10^5×25×10^-4

=50×10^(5-4)

=50×10

=500

Hence

the force that should be apply is

F=500N

Answer:

Given parameters

Power rating of the device (P) = 500 W = 0.50 kW

Time for which the device RUNS (T) = 10 h

ENERGY CONSUMED by an electric device can be OBTAINED with the HELP of the expression for power,

P = W/T

Work done = Energy consumed by the device

∴ Energy consumed = Power × Time

Energy consumed = 0.50 × 10

Energy consumed = 5 kWh

Hence, the energy consumed by four equal rating devices in 10 h will be

⇒ 4 × 5 kWh

= 20 kWh

Explanation:

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Explanation:

If the fruits are available before the season, it could mean they are artificially ripened.

Fruits are a good source of vitamins and minerals, and play an essential role in preventing vitamin C and vitamin A deficiencies. People who eat fruits as part of an overall healthy diet generally have a reduced risk of chronic diseases. The World Health Organisation (WHO) recommends five servings of fruits and vegetables every day for a healthy living.

However, the health benefits of fruits depend on how they are ripened. The best course will be to allow them to ripen on the plant itself. After proper maturity, fruits ripen in NATURE by using many physical and biochemical events. This process is irreversible and leads towards what is called senescence. The fruits become soft, change in colour, and develop characteristic aroma and flavour, with an INCREASE in sugar level and reduction in acid content. Many factors influence the process of ripening, including temperature and relative humidity.

It is not always possible to wait for the fruit to ripen naturally. More often than not, they need to be transported over long distances, and if they had been harvested in a ripe stage, they get spoilt before reaching their destination. For such situations, farmers harvest them much before they get ripe. The traders then ripen them artificially at the destination using specific chemicals.

Most fruits produce a gaseous compound called ethylene that starts the ripening process. Its level in under-ripe fruit is very low, but as the fruits develop, they produce more significant amounts of the chemical that speeds up the ripening process or the stage of ripening known as the “climacteric.” Recent studies have shown ethylene regulates the expression of several genes, which are involved in fruit ripening. These enzymes convert complex polysaccharides into simple sugars and make the skin of the fruits soft. In artificial ripening, this process is mimicked using chemicals.

The most commonly used chemical is called ethephon (2-chloroethyl phosphonic acid). It penetrates the fruit and decomposes ethylene. Another compound that is used regularly is CALCIUM carbide, which produces acetylene, which is an analogue of ethylene. It is, however, fraught with several problems. It is explosive and studies have shown that it breaks down the organic composition of vitamins and other micronutrients. Besides, it changes only the skin colour: the fruit remains raw inside. Also, industrial-grade calcium carbide is often found contaminated with trace amounts of arsenic and phosphorus, which are toxic chemicals.

The symptoms of arsenic and phosphorous poisoning include vomiting, diarrhoea with/without blood, weakness, burning sensation in the chest and abdomen, thirst, the problem in swallowing, burning of eyes, permanent eye damage, ulcers on the skin, mouth, nose and throat.

Other symptoms include throat sores, cough, wheezing and shortness of breath. Consumption of artificially ripened mangoes can upset stomach. It DAMAGES the mucosal tissue in the stomach and disrupts the intestinal function. If a person is exposed to the chemicals for a long time, they can cause peptic ulcers.

According to studies, calcium carbide can also affect the neurological system by inducing prolonged hypoxia. It causes symptoms like headache, dizziness, high sleepiness, memory loss, cerebral oedema, numbness in the legs and hands, GENERAL weakness, cold and damp skin, low blood pressure and seizure.

The Food Safety and Standards Authority of India (FSSAI) has banned calcium carbide under the Prevention of Food Adulteration (PFA) Act, 1954. Anyone using it can be imprisoned for three years along with a fine of ₹ 1,000. However, no effective action plan has been devised to implement it.

EXPLANATION:

The force experienced by a CURRENT carrying conductor is LARGEST when the directions of magnetic field and ELECTRIC current are perpendicular to each other.

Answer:

The operation of a MACHINE may INVOLVE the transformation of CHEMICAL, thermal, electrical, or nuclear energy into mechanical energy, or vice versa, or its FUNCTION may simply be to modify and transmit forces and motions. All MACHINES have an input, an output, and a transforming or modifying and transmitting device.

ANSWER:

s

giriutitbjtitiryyruturu

Answer:

• Hence, the efficiency of the FAN is 120%

Explanation:

Given that:

• A certain fan is capable of USING 4800J of electrical energy each minute,converting 4000J of it into kinetic energy of the fan.

To FIND:

• the efficiency of this fan?

Solution:

We KNOW that

Efficiency=Output Energy/Input Energy ×100%

Hence, the efficiency of the fan is 120% Ans.

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UR ANSWER & Explanation :-

331.2 g/mol.

Chemical formula. » Pb(NO3)2

Molar mass. » 331.2 g/mol

Appearance. » COLORLESS or white

Density » 4.53 g/cm3

(a) VANADIUM (V) oxide

Ⓖ︎Ⓞ︎Ⓞ︎Ⓓ︎ Ⓓ︎Ⓐ︎Ⓨ︎ Ⓑ︎Ⓤ︎Ⓓ︎Ⓓ︎Ⓨ︎..❤️❤️

Newton's first law of motion states that "An object at rest STAYS at rest and an object in motion stays in motion with the same speed and in the same direction unless ACTED upon by an unbalanced force." OBJECTS tend to "keep on doing what they're doing." In fact, it is the natural tendency of objects to resist changes in their STATE of motion. This tendency to resist changes in their state of motion is described as inertia.

Inertia: the resistance an object has to a change in its state of motion.

Answer:

2

Explanation:

PROBABLY OPTION 2

just didn't UNDERSTAND

Answer:

vehicles run by ELECTRICAL methods

Explanation:

the DONT SPECIFICALLY have engines for ge TESLA

Answer:

Learning becomes a friend to a TRAVELLER because it alone GUIDES the traveller about right and wrong and it is only thing that accompanies him.

I KNOW the answer but I will only TELL when U will follow like my PAGE and subscribe me and tell others about me..

Answer:

The work-energy theorem states that the NET work DONE by the FORCES on an OBJECT equals the change in its KINETIC energy.

ANSWER:

SKL

Explanation:

1v1 MUNA ML para SAGUTIN KO

Ur Answer :-

Initial temperature, T = 27°C

Length of the brass wire at T,L = 1.8m

Final temperature, T2 = 39C

Diameter of the wire, d = 2.0 mm = 2x10m

Tension developed in the wire =F

Coefficient of linear EXPANSION of brass, =

2.0x 10SK-1

Youngs modulus of brass, Y = 0.91 x 10 Pa

Youngs modulus is given by the relation:

Y= Stress/ Strain

y = F/A

tri.L/L

AL/L

AL = F x L/(A x Y) .)

Where,

F = Tension developed in the wire

A Area of cross-section of the wire.

AL =Charnge in the length. given by the

relation:

AL = aL (T, -Ti)..ii)

Equating equations (i) and (ii). we get:

FL

aL = a (T²-T¹) = FL/ π (d /2) ² Y

F a(T2 -T1)Y T(d/2

F =2x 10 x (-39 27) x 3.14 x 0.91 x

10 x (2 x 10-s/2

F =-3.8 x 10 N

(The negative sign indicates that the tension

is directed inward.)

Hence, the tension developed in the wire is

3.8 x10 N.

1- A

2- A

3- A

4- C

5- B

6- A

7- C

8- A

9- D

10- B

Explanation:

Gravity, ALSO called gravitation, in mechanics, the universal force of attraction acting between all matter. ... On EARTH all BODIES have a weight, or downward force of gravity, PROPORTIONAL to their mass, which Earth's mass exerts on them. Gravity is measured by the acceleration that it gives to FREELY falling objects.

ANSWER:

T3>T1>T2

EXPLANATION:

explanation in ATTACHMENT

Answer:

16g

Explanation:

DENSITY = mass / volume

let's take mass m here

0.8 = m / 20

m = 0.8 × 20

m = 16 G

Answer:

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Explanation:

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We can see from the above STEPS that the number of favourable outcomes where we get a prime number is 3 and the TOTAL number of possible outcomes i.e. the number of elements in the SAMPLE space is 6. HENCE, the probability of getting a prime number is 12. This is our final ANSWER

ANSWER:

from the above QUESTION answer is OPTION C

Answer:

If the thermometer consistently registers the exact temperature for SEVERAL DAYS in a ROW, the thermometer is also precise. Precise, but not accurate: A refrigerator thermometer is read ten TIMES and registers degrees Celsius as: 39.1, 39.4, 39.1, 39.2, 39.1, 39.2, 39.1, 39.1, 39.4, and 39.1..

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ANSWER:

she F U KING

/yph-bfmn-tip

ANSWER:

hard Rock

Explanation:

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ANSWER:

add:-

1. 45 + 5

= 50

2. 60 + 60

= 120

3. 3 + 4

= 7

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ANSWER:

(C)

EXPLANATION:

V = KP/r²

K = 9×10⁹Nm²/c²

r = 1NM = 1/10⁹m

Explanation:

In the early and mid-1800s, how did the economies of the Northern and Southern states COMPARE?

Both the NORTH and the South had HIGHLY agricultural economies.

Both the North and the South had highly agricultural economies.

The North was INDUSTRIALIZED, while the South was more agricultural.

The North was industrialized, while the South was more agricultural.

Both the North and the South had highly industrialized economies

EXPLANATION:

OPTION -(d)

138.8 pF

I HOPE this is HELPFUL to you.