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Ocgen have 8electons TYPICALLY,THANKS!

Answer:

The COLOUR of barium sulphate, like all Group 1 and Group 2 metal salts, is white as a solid or precipitate, and colourless when dissolved in WATER. ... For example copper (II) sulphate is blue and IRON (III) HYDROXIDE is reddish brow

Intial velocity of CAR (U) = 54 km/h = 54 × 5/18 m/s

u = 15 m/s

Car stops on APPLYING brakes 20m

Displacement covered by car (S) = 20m

Final velocity of car (v) = 0

Now

V² = u² + 2aS

= 0 = (15)^2 + 2 × a × 20

= -225 = 40a

= a = -5.625 m/s^2

[ negative sign means that ACCELERATION is in OPPOSITE direction of motion of car ]

acceleration = 5.625 m/s^2

Answer:

It is DEFINED as a quantity measuring the ability of a substance to store ELECTRICAL ENERGY in an ELECTRIC field CALLED dielectric constant.

Answer:

Several factors affect how MUCH tension occurs when a given amount of TIGHTENING TORQUE is APPLIED. The first factor is the bolt's diameter. It TAKES more force to tighten a 3/4-10 bolt than to tighten a 318-16 bolt because it is larger in diameter.

Explanation:

See the proper bolt torque chart.

ANSWER:

it GOES in WATER and not visible EASILY so it's NICE invention

EXPLANATION:

this is the ANSWER of your QUESTION

Answer:

in gaseous STATE of matter cohesive FORCE is minimum

Explanation:

hope it will help you

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ANSWER:

average SPEED FOURMULA

total distance BUS traveled

20+30=50 km

total time = 2 hrs

putting the values in fourmula 50/2=25 km/hr

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ANSWER:

yes

Explanation:

USE rhird EQUATION

GIVE reason that tanks and Bulldozers are fitted with Caterpillar tracks .

Tanks and Bulldozers are fitted with Caterpillar tracks BCOZ. to increase the surface area.

We know,

P ressure is inversely proportional to area. So to reduce PRESSURE Caterpillar belts are fitted in TANKS and BULLDOZERS.

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ANSWER:

i)25+20/2=22.5

time is by DIVIDE DISTANCE / VELOCITY

Answer:

400m/300s is the SPEED of the CAR

Answer:

a FRAME of reference CONSISTS of an abstract coordinate system and the set of physical reference points that uniquely fix the coordinate system and STANDARDIZE MEASUREMENTS. In n dimensions, n + 1 reference points are SUFFICIENT to fully define a reference frame.

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HERE IS UR ANSWER --

◆In the case of UNIFORM acceleration , both the MAGNITUDE and direction of an object doesn't change with respect to time.

◆In the case of non uniform acceleration

either magnitude or direction or both of an object changes with respect to time.

【OR】

◆Uniform acceleration is the change of equal velocity in equal interval of time.

◆Non uniform acceleration is the change of UNEQUAL velocity in equal interval of time.

●Example of uniform acceleration -

The motion of a ball rolling down.

●Example of non uniform acceleration -

A CAR travels 2 km in 1st hour and 2.5 km in 2nd hour.

thanks..!!!

Answer:

i think its opp (4)

Explanation:

becoz when V place a(-q) in the center it just attract the 2 CHARGES but when v place a +q in the center it just REPEL each other and they remain's in the equlibrium POSITION

RS330 is the EXPENSE this is the ANS

AVOID PARALLAX ERROR

EXPLANATION:

Answer:

500w TV SET in 30MINS will SPENT more ENERGY

Answer:

the KINETIC ENERGY DEPENDS upon two factors:

1.the MASS. of the BODY.

greater the mass of the body greater is the kinetic energy.

2. the speed of the body

greater the speed of the body greater is the speed of the body

Explanation:

The insects can move in water WITHOUT sinking because they have HOLLO BODY

ANSWER:

EXPLANATION:

Here is the answer

Answer:

Explanation:

Thermoset vs. Thermoplastics. ... The primary physical difference is that thermoplastics can be remelted back into a liquid, whereas thermoset plastics ALWAYS remain in a permanent solid STATE. Think of thermoplastics as butter – butter can be melted and cooled multiple times to FORM VARIOUS shapes.

ANSWER:

because to GIVE them strength.

Explanation:

Answer:

1/R1 + 1/R2 + 1/R3 = 1/Rp

now ADD the FRACTIONS and then SIMPLIFY it then RECIPROCAL it u will GET Rp

Explanation:

Answer:

• The ELECTRIC field is defined as the gradient of the electric potential. ... If the electric potential is constant, say 1 V, then there is no DIRECTION of greatest increase. Hence the gradient of the electric potential is zero, and the electric field is zero EVERYWHERE inside the REGION of constant electric potential

ANSWER:

because ELECTRIC field go away from the charge +Q. and equipotential SURFACE has uniform potential all over the surface. so due to uniform potential it always go right angle

Answer:

(C) Acceleration

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Answer:

A simple electromagnet consisting of a coil of wire wrapped around an iron core. A core of FERROMAGNETIC material like iron serves to increase the magnetic field created.[1] The strength of magnetic field generated is proportional to the amount of current through the winding.[1]

Magnetic field produced by a solenoid(coil of wire). This drawing shows a cross section through the center of the coil. The crosses are WIRES in which current is moving into the page; the dots are wires in which current is moving up out of the page.

An electromagnet is a type of MAGNET in which the magnetic field is produced by an electric current. Electromagnets usually consist of wire wound into a coil. A current through the wire creates a magnetic field which is concentrated in the hole, denoting the center of the coil. The magnetic field disappears when the current is turned off. The wire turns are often wound around a magnetic core made from a ferromagnetic or ferrimagnetic material such as iron; the magnetic core concentrates the magnetic fluxand makes a more powerful magnet.

The main advantage of an electromagnet over a permanent magnet is that the magnetic field can be quickly CHANGED by controlling the amount of electric current in the winding. However, unlike a permanent magnet that needs no power, an electromagnet requires a continuous supply of current to maintain the magnetic field.

Electromagnets are widely used as components of other electrical devices, such as motors, generators, electromechanical solenoids, relays, loudspeakers, hard disks, MRI machines, scientific instruments, and magnetic separation equipment. Electromagnets are also employed in industry for picking up and moving heavy iron objects such as scrap iron and steel.[2]

Also, an electromagnet is the part that is used to control the brakes on a pull behind camper, travel trailer, UTILITY trailer, or RV. This item is sometimes referred to as the “brake magnet” which is an electromagnet

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ANSWER:

EXPLANATION:

Here is the answer!

Given, Acceleration (a) = 2m/s

Time TAKEN (t) = 10seconds

initial velocity (u) = 0m/s (this is because the car was on rest)

final velocity(V) = ?

Now, 2 = v-0

10

= 2 X 10 = v - 0

= 20+0 = v

=20m/s =v

OR

=v = 20m/s

I hope it helped...

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Answer:

ACCELERATION because acceleration is EQUAL to velocity BYE TIME

ANSWER:

REFER to the ATTACHMENTS

90tobemygirlwhoaretheprincipalsofphotovoltaic

ANSWER:

F = m × g

= 20 × 10

=200 N

we know that

W= force × displacement

= 200 × 10

= 2000 J

Answer:

273

Explanation:

1kelvin ========== 273 KELVIN

Answer:

The compressibility factor (Z), also known as the compression factor or the gas deviation factor, is a correction factor which DESCRIBES the deviation of a REAL gas from ideal gas behaviour. It is simply defined as the ratio of the molar volume of a gas to the molar volume of an ideal gas at the same temperature and pressure. It is a useful thermodynamic property for modifying the ideal gas law to account for the real gasbehaviour.[1] In general, deviation from ideal behaviour becomes more significant the CLOSER a gas is to a phase change, the lower the temperature or the larger the pressure. Compressibility factor values are usually obtained by calculation from equations of state (EOS), such as the virial equation which take compound-specific empirical constants as input. For a gas that is a mixture of TWO or more pure GASES (air or natural gas, for example), the gas composition must be known before compressibility

Answer:

In this type if the MAGNITUDE of acceleration is zero, the motion is uniform LINEAR motion. When the acceleration is not in the direction of velocity, the motion is along a curved path. ... CIRCULAR motion is a SPECIAL FORM of curvilinear motion.

ANSWER:

you can USE the ACCELERATION FORMULA

ANSWER:

V^2 = U^2 + 2as

Explanation:

1) In FIRST line it is Distance COVERED =

Area under SLOPE AB.

hey mate here is your answer :

Distance:

• ACTUAL path covered by a body irrespective of its direction .
• scalar quantity
• Distance is always equal or GREATER than displacement.
• Distance is always positive.

Displacement:

• the shortest path between initial and final position of the body along with direction is called displacement.
• displacement is always equal or SMALLER than Distance.
• displacement may be positive, NEGATIVE or ZERO.

Answer:

Electricity is a domestically produced transportation FUEL that will TRANSFORM our nation's transportation SECTOR. Today, the technology and infrastructure EXIST to promote transportation applications that move both people and GOODS using electricity as a fuel.

Explanation:

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Answer:

5 METRES

Explanation:

v^2=u^2+2as

10^2=0^2+2(10)(s)

100=20s

s=5 metres

HII its tom85

s=100m

v=36km/hr=36*5/18 m/s=10m/s

t= s/v=100/10=10m

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MASS DEFECT:-

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

The DIFFERENCE in the sum of masses of all nucleons present in a nucleus and the mass of the nucleus is CALLED MASS DEFECT

➭When a number of protons and neutrons (nucleons) combine together to form a nucleus , a small fraction of their masses is LOST which appears in the form of

LET,

➭

➭

➭

Z ➭ = no. Of protons

A ➭ =

➭ +

Mass defect,

Δm ➭ [Z × + (A -Z ) - .

➭

It is the energy with which nucleons are bound . It is measured by the WORK done to separate the nucleons on infinite distance apart from the nucleus so that they may not interact with each other.

➭The origin of binding energy is explained on the basis of relation,

Certain disappears in the form of energy, responsible for binding the nucleons together in the nucleus.

of nucleus =➭

➭Where, C is .

Answer

Newton’s Laws of Motion:

Newton studied the IDEAS of GALILEO and gave the three laws of motion. These laws are known as Newton’s Laws of Motion.

Newton's First LAW of Motion: Any object remains in the state of rest or in uniform motion along a straight line, until it is compelled to change the state by applying external FORCE.

Second Law of Motion: The rate of change of momentum is directly proportional to the force applied in the direction of force.

Newton's Third Law of Motion: There is an equal and opposite REACTION for evrey action

EXPLANATION:

There are mainly five types of motion.

1)Linear motion or Rectilinear motion

2)Circular motion or ROTATIONAL motion

3)Oscillatory motion

4)Curvilinear motion

5)Random motion

Some other motions are :

1)Periodic motion

2)Non -Periodic motion

3)Uniform motion

4)Non - Uniform motion

The REFRACTIVE index of GLASS is 1.5. If the speed of light in a vacuum is 3* (10)^ 8 m/s, then what is the speed of light in glass?

->>

The CHARACTERISTIC impedance of an infinite transmission line at a given angular frequency is the ratio of the VOLTAGE and current of a pure sinusoidal wave of the same frequency travelling ALONG the line. ... This new ratio is CALLED the input impedance.

ANSWER:

SORRYI STUDY in 9TH CLASS