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Answer:

take a BURNING candle and TRY to pass your FINGER, u will not GET harm but if u place your finger over the FLAME your finger will get burn

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Answer:

1) is the correct answer

Explanation:

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ANSWER:

PLEASE WRITE CORRECT ANSWERS

Answer:

Substances which COULD be taken other than iron fillings to show magnetic field of electric CURRENT are the METALS which is magnetic in NATURE like nickel, cobalt etc

Explanation:

ANSWER:

DISTANCE = SPEED / time

time= distance/ speed

Answer:

The average kinetic ENERGY of the MOLECULES is 5.66 × 10⁻²¹ J. According to Kinetic Molecular THEORY, the average kinetic energy of gas molecules is a FUNCTION only of TEMPERATURE.

ANSWER:

hi

Explanation:

The solutions foe most of the questions in S.L Arora physics book for class 11th and 12th are provided in the book itself. There are solved EXAMPLES, NCERT exercise solutions and solutions of problems to be solved by you are also given. If you are talking bout the questions at the end of the book, that you need to solve your self after GOING through the chapter. If not, you may take help of your teacher.

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ANSWER

Mass of the block, m = 15 kg

Coefficient of static friction, = 0.18

Acceleration of the trolley, a = 0.5 m/s

2

As PER Newton's second law of MOTION, the force (F) on the block caused by the motion of the trolley is given by the relation:

F = ma = 15 x 0.5 = 7.5 N

This force is acted in the direction of motion of the trolley.

Force of static friction between the block and the trolley:

f = mg

= 0.18×15× 10 = 27 N

The force of static friction between the block and the trolley is GREATER than the applied external force. Hence, for an observer on the ground, the block will appear to be at moving with constant acceleration.

When the trolley moves with uniform velocity there will be no applied external force. Only the force of friction will act on the block in this SITUATION.

(b) An observer, moving with the trolley, has some acceleration. This is the case of a non-inertial frame of reference. The frictional force, acting on the trolley backward, is opposed by a pseudo force of the same magnitude. However, this force acts in the OPPOSITE direction. Thus, the trolley will appear to be at rest for the observer moving with the trolley.

Answer:

DIFFERENCE Between Scalar and Vector. A scalar quantity is different from a vector quantity in terms of direction. Scalars don't have direction WHEREAS vector has. Due to this, the scalar quantity can be SAID to be represented in one DIMENSIONAL whereas a vector quantity can be multi-dimensional.

Successful adaptation of a person's lifestyle

Explanation:

• The DEFINITION of adaptability of life ACCORDING to the stressor in life is the the physical ability is called by Holmes and Rahe.
• We are HUMANS and we have ability to adapt in any situation. physically we adapt very quickly.
• The adaptation could be EITHER biological or it could be physical.
• When the life changes occur in a person life , it is also called the FUNCTIONAL changes in the life of a person.
• There are different type of adaptation such as Acclimatization.
• Genetic adaptation is another term for adaptability.

Lear More: Adaptability

brainly.in/question/13031683

STATE your QUESTION PROPERLY

ANSWER:

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EXPLANATION:

you have to do SIMPLE ADDING in it

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Answer:

ANS is option a)

Explanation:

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ANSWER:

Vinegar CONTAINS ACETIC acid and lemon juice CONTAIN citric acid  conduct electricity.

Explanation:

Answer:

FRICTION, both STATIC and kinetic, can be measured indirectly by monitoring such parameters as the CURRENT drawn by a motor that moves one of the sliding components against one another (e.g., a sliding VALVE or a MECHANICAL face seal). Eissenberg and Haynes (1992) have reviewed this topic.

Answer:

The action from a force can cause an object to accelerate, to decelerate, to STOP or to change DIRECTION. Since any change in VELOCITY is considered acceleration, it can be SAID that a force on an object results in the acceleration of an OBJEC

ANSWER:

Plants.

Hydrogen

Name

brush

Sea WATER

<P>PLEASE MENTION magnitudes of p,q,R

ANSWER:

USE the EX term

Explanation:

v2/v1 - t2/t1

ANSWER:

PIC and I will SEND you the LINK to the video

Explanation:

no I don't THINK so but I'll be there in

ANSWER:

100 km/h is answer VOTE me PLS

ANSWER:

m=p/v=840/72=11.6

Answer:

HUGO do do do SUFFICIENT who attack STOP OH McGill out girl khobor jrur who kutubi Higuchi f7ck feel help HO ho black NFL

ANSWER:

INVERTED CORE will EXERT more PRESSURE

Answer:

60 km/hr

Explanation:

Given :

• Distance travelled in the first interval of TIME = 30 km

• Distance travelled in the SECOND in the second interval of time = 30 km

To find :

• AVERAGE speed

Average speed = TOTAL distance / total time

Average speed = 30+30/25+35

Average speed = 60/60

60 minutes = 1 hour

Average speed = 60/1

Average speed = 60 km/hr

The average speed of the car is equal to 60 km/hr

More:

• Average velocity = total Displacement / total time

Bodh Gaya is a religious SITE and place of pilgrimage associated with the Mahabodhi Temple Complex in Gaya district in the Indian state of BIHAR. It is famous as it is the place where Gautama BUDDHA is said to have attained Enlightenment (PALI: bodhi) under what became KNOWN as the Bodhi Tree.

ANSWER:

rufirdhids427+4528-514*7411*

Answer:

as we know BOUYANT force is determined by VOLUME and the gravity is determined by mass of the object

so......as we know the DENSITY of aluminium is less than steel . and if a obejct is DENSE then the object will be someabout bigger in size and ALSO the bouyant force will be more than steel. so if we put the boxes out means weight them in air , the aluminium will weight more

Explanation:

ANSWER:

CONCAVE lens

Explanation:

ANSWER:

CONVEX LEN's should be used

real FOCUS

ANSWER:

what is INITIAL TEMPERATURE?

Answer:

Waves surround us and their presence works to channelize a number of phenomena. Imagine you are in a boat and hear the siren of a ship. In this case, you’ll be able to receive sound wave directly from the ship siren, as well as the sound wave that gets REFLECTED by the seawater. In order to understand this CONCEPT, let us put our FOCUS on the core concept of Superposition of Waves, together with the in-depth KNOWLEDGE related to

Answer:

Let Initial RESISTANCE be R1=9 Ω.

Initial length be L1=30 cm/0.3m.

Initial AREA of cross section of wire be A1=a m2 .

THE WIRE IS TRIPLED ON ITSELF i.e. it is folded on itself 3 TIMES.So:-

Let Final resistance be R2.

Length would become 1/3 times the initial length so,

Final length= 1/3*0.3

As same wire is folded on itself so volume of the wire will remain same i.e.:-

L1*A1=L2*A2,

A2=L1*A1/L2,

A2=L1*A1/(1/3*L1),

A2=3A1.

Our new area is 3A1.

R1=ρ*(0.3/a)=9Ω

R2=ρ(1/3*0.3)/3a=1/9(ρ*0.3/a) and this[ρ*0.3/a]=R1=9Ω,so:-

R2=1/9*9=1Ω.

ANSWER:

CONCAVE LENSE should be USED

ANSWER:

a.CONCAVE MIRROR

B . concave LENS

at highest point velocity will be 0

=> v = 0

U = ?

t = 6 sec

use v - u = gt

-u = (-10)*6

u = 60 m/s

velocity with which ball is THROWN is 60 m/s

ANSWER:

a) HEAT Engine

Explanation:

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EXPLANATION:

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Answer:

Dust is more than just BITS of dirt and sand from outside. In FACT, any solid matter that is broken into small enough bits to be blown around becomes dust. Outside, common sources of dust are dirt, sand, pollen, and pollution. Indoors, common sources of dust include dead skin and hair cells from humans, the carcasses and waste products of microscopic creatures such as dust mites, as WELL as WORN down bits of clothing and furniture. Dust is unavoidable because all solids slowly wear down.

Answer:

A NEWTON's disc can be created by painting a disc with the seven different colours: violet, INDIGO, BLUE, green, yellow, ORANGE and red. When the disc is rotated, it appears white. This explains that white LIGHT consists of seven colours.

30+45

75

Explanation:

we ALREADY GIVE INCIDENT on an AIR to C

Answer:

U R R8...QUESTION mehi problem hain.

equilibrium position

In SHM, velocity is maximum at equilibrium position.

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Answer:

The principle of superposition may be applied to WAVES whenever two (or more) waves travelling through the same medium at the same time. The waves pass through each other without being disturbed. The net displacement of the medium at any point in space or time, is simply the sum of the individual wave displacements.

Within the realm of Maxwell's equations, the principle of superposition is exactly true because Maxwell's equations are linear in both the sources and the fields. ... This will only break down when Maxwell's equations break down, for example, when the field strengths are so high that pair production BECOMES significant.

Explanation:

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Answer:

here,

mass (in SI UNIT) = 1.2 kg

volume( in SI unit)= 6 * 10^-5 m³

now

density = mass/volume

            = 1.2/6/10^5

             = 20000 kg/m³

again,

mass (in CGS) = 1200 g

volume = 60 cm

now,

density = mass/volume

            = 1200/60

            = 20 g/cm³

Explanation:

Answer:

a. the force which is excreted by muscle.

b. muscler force is working.

f. DUE to gravity.

e. the force working only when a body comes in contact.and the body WORKS WITHOUT comes in contact.