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EXPLANATION:

speed=360/15

speed=24m/s

Solution : (a) As slope of distance-time graph represents SPEED of an object, therefore, as is clear from Figure, B has maximum speed, i.e., the object B moves the fastest. (b) For MEETING at any point on the road, the respective distance and time VALUES must be same for all the three objects at that point.27 May 2020

PHENOMENA of scatering light into RAINBOW is called Dispersion. when a beam of white light travel through a prism it will DISPERSE inti its 7 unique COLOURS.

These seven colours are

• Violet
• Indigo
• Blue
• Green
• Yellow
• Orange
• Red

In short form ( VIBGYOR )

ANSWER:

not ABLE to GET your LANGUAGE bro/sis

ANSWER:

INFORMATION is this

Explanation:

A non-renewable RESOURCE is a natural resource that cannot be readily replaced by natural means at a quick enough pace to keep up with consumption. An example is carbon-based fossil FUEL. The original ORGANIC matter, with the AID of heat and PRESSURE, becomes a fuel such as oil or gas.

Answer:

ELECTRIC charge is the physical property of matter that CAUSES it to experience a force when placed in an ELECTROMAGNETIC field. There are two types of electric charge: positive and negative (commonly carried by protons and electrons respectively). LIKE charges repel each other and UNLIKE charges attract each other.

ANSWER:

TAKING WHOLE as a system-

20−2f=6×a

a=0.5m/s

2

2f=20−6×0.5

f=

2

17

=8.5N → FRICTION force on each block

On block B:-

T−F=3×a

T=3×0.5+F

1.5+8.5

T=10N

Answer:

SORRY it's not clear

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Their energy charges have been revised from Rs 3 per unit to Rs 3.35 for INITIAL 101-150 units, from Rs 4.50 to Rs 5 per unit for 151-300 units, from Rs 5-5.50 for 301-500 units and from Rs 5.50 Rs 6 per units for above 500 units a month.

hope it will HELP you dear

Explanation:

Which GAS is USUALLY LIBERATED when an ACID reacts with a metal ? Illustrate

with an example. How will you test for the presence of this gas ?NAME the part of the brain which controls posture and balance of the body.State reason for the following statements:

(i) Tap water conducts electricity whereas distilled water does not.

(ii) Dry hydrogen chloride gas does not turn blue litmus red whereas dilute

hydrochloric acid does.

III. Answer the fallowing questions in 5 to 6 lines 2× 2 ½= 5Name the hormones secreted by thyroid, parathyroid and pancreas.Write the functions of any one part of the hind – brain.

Answer:

As mentioned earlier in LESSON 1, an object moving in uniform circular motion is moving in a CIRCLE with a uniform or constant speed. The velocity vector is constant in magnitude but CHANGING in direction. It is accelerating because the direction of the velocity vector is changing. ...

E=mc²

=(1×)×(3×)

=3×J

Answer:

The ammeter is CONNECTED in series with the circuit. So its reading will SHOW the value of the CURRENT flowing in the circuit. Hence, the reading of the ammeter is equal to 1A. Hence, the voltmeter will show a reading of 2V.

hope this HELPS you ☺️

ANSWER:

Don't KNOW the answer DEAR.

Answer: 50M

Explanation:

U = initial SPEED = 20 m / s

V = Final velocity = 0

We take g = 10 m/s²

We need to find the acceleration which will be negative given that the CAR is coming to rest.

A = - 0.4 × 10 = -4 m / s²

From the formula :

V² = U² + 2as

We can get S

0 = 20² - 2× 4 × S

0 = 400 - 8S

S = 400/8 = 50m

Explanation:

With a positive VOLTAGE on its terminals, we say the DIODE is forward BIASED. A diode is forward biased when its voltage is anywhere on the +voltage side of the ORIGIN. In normal operation, the voltage ACROSS a forward biased silicon diode is somewhere between 0.60 − 0.75 V 0.60 -0.75\,\text V 0.

Answer:

20ohm

Explanation:

Rp=400/40 =10ohm

Req=10+10=20ohm

OHM's Law STATES that the current flowing through a conductor is DIRECTLY proportional to the POTENTIAL DIFFERENCE applied across its ends, provided the temperature and other physical conditions remain unchanged. Current is directly proportional to voltage difference through a resistor.

depends on the nature of force. its wrong INTUITION that if a force is applied for longer period of time it will increase… for APPLYING the force for longer time more energy will be required.if sufficient energy is not available, after some time that force will die away.therefore the force reduces with time. electromagnetic forces experienced in atomic scale are time-VARYING, to be specific it is SINUSOIDAL (sine/cosine).the force experienced is a sine curve. it increases then decreases with time periodically. if a constant force is applied. it WONT if a time varying force is applied.it will increase/decrease according to how it varies.

A kaleidoscope is made by JOINING of three PLANE mirrors in a triangle SHAPE at certain angle.

The main CONCEPT of kaleidoscope is to observe MULTIPLE Reflections.

ANSWER:

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vjfofbfkgugfifufjfuvug

GOOD DAY MATE you LOOK SICK

EXPLANATION:

MARK me as BRILLIANT PLEASE

A security mirror used in a big showroom has radius of curvature 5M. If a

customer is standing at a distance of 20m from the CASH counter ,find the position,

nature and SIZE of the image formed in the security mirror.

Electric power is the rate, per unit time, at which electrical energy is TRANSFERRED by an electric circuit. The SI unit of power is the watt, one joule per SECOND. Electric power is USUALLY PRODUCED by electric generators, but can also be supplied by sources such as electric batteries.

Answer:

øshs

Explanation:

. এটা আয়তৰ বাহুকেইটা 3:2 অনুপাতত আছে। যদি

আয়তটোৰ পৰিসীমা 80 ছেঃমিঃ হয়, তেন্তে

আয়তটোৰ কালি (বগ ছেঃমিঃত) হ'ব

(1) 24

(2) 48

(3) 192

(4) 384

AMMETER, INSTRUMENT for measuring either direct or alternating electric current, in amperes. An ammeter can measure a wide range of current values because at high values only a small PORTION of the current is directed through the meter mechanism; a SHUNT in PARALLEL with the meter carries the major portion.

Answer:

In addition to being the 18th letter of the Greek ALPHABET, sigma ALSO means 'sum' and 'deviation' in the mathematics world. Learn what each SYMBOL looks LIKE and how each formula works.

Explanation:

Formula

Σ This symbol (called Sigma) means "sum up"

ANSWER:

ACCORDING to the law of reflection, the ANGLE of incidence is equal to the angle of reflection. = 25 degree. Since, the angle of incidence is equal to the angle of reflection, therefore the REQUIRED angle of reflection = 25 degree.

ANSWER:

C is the CORRECT answer for this QUESTION

A VOLTMETER is an instrument used for measuring electric POTENTIAL DIFFERENCE between two points in an electric circuit. It is connected in PARALLEL. It usually has a high resistance so that it takes NEGLIGIBLE current from the circuit.

Potential difference is the difference in the amount of energy that CHARGE carriers have between two points in a circuit. ... A potential difference of one Volt is equal to one Joule of energy being used by one COULOMB of charge when it FLOWS between two points in a circuit.

The electric potential is the amount of work energy needed to move a unit of electric charge from a REFERENCE POINT to the specific point in an electric FIELD with NEGLIGIBLE acceleration of the test charge to avoid producing kinetic energy or RADIATION by test charge.

ANSWER:

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Explanation:

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Answer:

Given,

Angle of prism, A=4

o

,

DEVIATION, D=2.4

o

,

∴ REFRACTIVE index of prism is μ=

sin(

2

A

)

sin(

2

A+D

)

=

sin

2

4

sin

2

4+2.4

=1.599≈1.6

Hold the spring BALANCE in your HAND and do not place any WEIGHTS on it. Note, where the pointer points. If it is zero, then there is no zero error. If the pointer is slightly down (say 1) then zero error is -1.

ANSWER:

Thin-film interference is a NATURAL phenomenon in which LIGHT waves reflected by the upper and lower boundaries of a thin film interfere with one ANOTHER, EITHER enhancing or reducing the

In hot weather, DUE to high temperature, the CO2 in the soda WATER is RELEASED in the air in the bottle, and creates PRESSURE, which makes the bottle to burst.

ANSWER:

ᴘʟᴀsᴛɪᴄɪᴛʏ, ᴀʙɪʟɪᴛʏ ᴏғ ᴄᴇʀᴛᴀɪɴ sᴏʟɪᴅs ᴛᴏ ғʟᴏᴡ ᴏʀ ᴛᴏ ᴄʜᴀɴɢᴇ sʜᴀᴘᴇ ᴘᴇʀᴍᴀɴᴇɴᴛʟʏ ᴡʜᴇɴ sᴜʙᴊᴇᴄᴛᴇᴅ ᴛᴏ sᴛʀᴇssᴇs ᴏғ ɪɴᴛᴇʀᴍᴇᴅɪᴀᴛᴇ ᴍᴀɢɴɪᴛᴜᴅᴇ ʙᴇᴛᴡᴇᴇɴ ᴛʜᴏsᴇ ᴘʀᴏᴅᴜᴄɪɴɢ ᴛᴇᴍᴘᴏʀᴀʀʏ ᴅᴇғᴏʀᴍᴀᴛɪᴏɴ, ᴏʀ ᴇʟᴀsᴛɪᴄ ʙᴇʜᴀᴠɪᴏᴜʀ, ᴀɴᴅ ᴛʜᴏsᴇ ᴄᴀᴜsɪɴɢ ғᴀɪʟᴜʀᴇ ᴏғ ᴛʜᴇ ᴍᴀᴛᴇʀɪᴀʟ, ᴏʀ ʀᴜᴘᴛᴜʀᴇ.

Answer:

Explanation:

ACCORDING to the law of reflection

ANGLE of incidence=Angle of refraction

In the question the angle between the incident ray and refracted ray is 70 degrees. Angle of incidence is the angle between the incident ray and NORMAL. Similarly refracted ray is the angle between the refracted ray and normal. As SAID they are equal. Therefore,

Angle of incident = 70/2 = 35 degrees.

Angle of refraction= 35 degrees.

ANSWER:

the CORRECT answer is B)

What is Relative Motion?

The concept of reference frames was first introduced to discuss relative motion in one or more dimensions. When we say an OBJECT has a certain velocity, then this velocity is with RESPECT to some frame that is known as the reference frame.

Relative Velocity

The relative velocity of an object A with respect to object B is the RATE of CHANGE of position of the object A with respect to object B.

If VA and VB be the velocities of objects A and B with respect to the ground, then

The relative velocity of A with respect to B is VAB = VA – VB

The relative velocity of B with respect to A is VBA = VB – VA

ANSWER:

Its working principle is such that when optical pumping is PROVIDED to the device. Then the Nd IONS get raised to higher energy levels and their TRANSITION produces a laser beam. This laser generally emits light of wavelength of nearly 1.064 μm.

Answer:

When light PROPAGATES through an optical fiber, a small percentage of light is LOST through different MECHANISMS. The loss of optical power is measured in TERMS of decibels PER km for attenuation losses. When light propagates through an optical fiber, a small percentage of light is lost through different mechanisms.♥️

Explanation:

Thanku♥️

ANSWER:

mmmmmmmmmmmmmmmmmmmmmmmmm

Explanation:

Phase one: 2,000MW

REACTOR Type

Pressurised Water Reactor (PWR)

Expand

The Kudankulam Nuclear Power Plant (KNPP) is located 650km south of Chennai, in the Tirunelveli district of Tamil Nadu, India. It is being developed by the Nuclear Power Corporation of India (NPCIL).

Two 1,000 megawatt (MW) pressurised water reactor (PWR) units based on RUSSIAN technology were constructed in phase one of the project. An additional four units are scheduled to be added according to the agreement signed between India and Russia in December 2008.

Excavation works for the construction of units three and four started in 2016 with the aim of making them operational by 2023.

NPCIL and ASE Group of companies signed the general FRAMEWORK agreement for the construction of the fifth and sixth units in JUNE 2017. The units are expected to be commissioned between 2025 and 2026.

The power plant will have a combined capacity of 6000MW upon commissioning of its six units.

Kudankulam nuclear power plant details

NPCIL and Rosatom finalised the reactor DESIGN and engineering supervision arrangements for the construction of KNPP phase one in 1998, which cost Rs140bn ($2.47bn). The total cost of the project for the six units is Rs1.11tn ($16.3bn).

Construction of phase one started in 2001 and the first two units were commissioned in 2013 and 2016 respectively.

The ground-breaking for the construction of units three and four was held in February 2016 while the concrete pouring ceremony for the third unit was held in June 2017.

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:

EXPLANATION: