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the ball = 1.8 kgvolume = 250CC = 250 cm³1m³ = 10⁶ cm³So 1cm³ = 10⁻⁶ m³250cm³ = 250×10⁻⁶ m³= 2.5×10⁻⁴ m³So VOLUME = 2.5×10⁻⁴ m³Density = mass/volume = 1.8/2.5×10⁻⁴  kg/m³ = 7.2×10³ kg/m³Density of metal is 7.2×10³ kg/m³ or 7200 kg/m³.

applied in OPPOSITE DIRECTIONS but of EQUAL strength are Couple FORCES.

the ANSWER. So he REACHES at 1HOUR

ne is the dot PRODUCT of force and displacement.Work is SAID to be done when there is displacement WHENEVER we applied some net force.For maximum fork done angle b/w force and displacement should be 0 DEGREE

d HANDS temperature is COMPARATIVELY less than the normal WATER so the heat transfers to colder SIDE. The HOT hands temperature transferred to the normal water so that hand felt colder.

othing but LUNAR ECLIPSE

for asking the question.Doesn't ALWAYS. Sometimes the smoke plummets towards the ground. This happens WEN there is temperature inversion in the atmosphere. However, smoke rises upward because it is formed by ASHES which are hot.  As hot air is denser then cold air so the smoke moves AWAY from the ground or in the upward direction.Hope I helped.

ke does not move ALONG the ground because ground has lesser gravity and and the SMOKE MOVES towards the gravitational force of the EARTH .hence it is so..........Hope u liked it.................And giv the best if it helped u:)

aves are LONGITUDINAL WAVES..for example SOUND WAVE travelling in AIR is a example for longitudinal wave

gushuhsgdhjshuduwduhqshdwhdhdhuhdufuwhhwbddddddddddExplanation:

er ✔️Difference between PRIMARY and secondary colors.Colours which cannot be produced by mixing other colours are CALLED primary colours. It is not found POSSIBLE to produce either red, BLUE or green colours by mixing two other colours. For this reason red, green and blue are called primary colours. A secondary COLOUR can be produced by mixing other colours.For Extra Knowledge:-ꜰᴇᴡ ɪɴᴅɪᴠɪᴅᴜᴀʟꜱ ʜᴀᴠᴇ ʜᴀᴅ ᴀꜱ ᴘʀᴏꜰᴏᴜɴᴅ ᴀɴ ɪᴍᴘᴀᴄᴛ ᴏɴ ꜱᴄɪᴇɴᴄᴇ ᴀꜱ ɢᴀʟɪʟᴇᴏ, ᴡʜᴏꜱᴇ ɢʀᴏᴜɴᴅʙʀᴇᴀᴋɪɴɢ ɪɴᴠᴇɴᴛɪᴏɴꜱ ᴀɴᴅ ᴅɪꜱᴄᴏᴠᴇʀɪᴇꜱ ᴇᴀʀɴᴇᴅ ʜɪᴍ ᴛʜᴇ ᴛɪᴛʟᴇ 'ᴛʜᴇ ꜰᴀᴛʜᴇʀ ᴏꜰ ꜱᴄɪᴇɴᴄᴇ'. ɢᴀʟɪʟᴇᴏ ᴡᴀꜱ ᴀɴ ᴇxᴘᴇʀɪᴍᴇɴᴛᴀʟɪꜱᴛ ᴡʜᴏ ꜰᴏʀ ᴛʜᴇ ꜰɪʀꜱᴛ ᴛɪᴍᴇ ʜᴀᴅ ᴛʜᴇ ɪɴꜱɪɢʜᴛ ᴀɴᴅ ᴛᴀʟᴇɴᴛ ᴛᴏ ʟɪɴᴋ ᴛʜᴇᴏʀʏ ᴡɪᴛʜ ᴇxᴘᴇʀɪᴍᴇɴᴛ.#KEEPLEARNINGHOPE I AM CLEAR.WARM REGARDS.(≧▽≦)

:- Aim :- To show that attraction is not a sure test to know the presence of a CHARGE on a body. MATERIAL required :- Two magnets .Procedure :- • Mark NORTH and south pole of magnet. • First case :- Take Two North Pole on the same side. • Second case :- Take two unlike poles that is north and south pole on the same side .• Note the observation. Observation :- In first case you OBSERVED that the North Pole of one magnet repel with the North Pole of another magnet. In second case, The North Pole of one magnet attract the south pole of another magnet. Conclusion :- From first case, we conclude that the attraction is not a sure test to know the presence of a charge on a body because like poles always repel each other

icle will be less stable, difficult to steer and take longer to stop. VEHICLES react DIFFERENTLY when the maximum weights which they are designed to carry are exceeded.The vehicle will be less stable, difficult to steer and take longer to stop. Vehicles react differently when the maximum weights which they are designed to carry are exceeded.Overloaded vehicles can cause the tyres to overheat and WEAR rapidly which increases the chance of premature, dangerous and expensive failure or blow-outs. The vehicle will be less stable, difficult to steer and take longer to stop. Vehicles react differently when the maximum weights which they are designed to carry are exceeded.Overloaded vehicles can cause the tyres to overheat and wear rapidly which increases the chance of premature, dangerous and expensive failure or blow-outs. The driver’s CONTROL and operating space in the overloaded vehicle are diminished, escalating the CHANCES of an accident.The vehicle will be less stable, difficult to steer and take longer to stop. Vehicles react differently when the maximum weights which they are designed to carry are exceeded.Overloaded vehicles can cause the tyres to overheat and wear rapidly which increases the chance of premature, dangerous and expensive failure or blow-outs. The driver’s control and operating space in the overloaded vehicle are diminished, escalating the chances of an accident.The overloaded vehicle cannot accelerate as normal – making it difficult to overtake The vehicle will be less stable, difficult to steer and take longer to stop. Vehicles react differently when the maximum weights which they are designed to carry are exceeded.Overloaded vehicles can cause the tyres to overheat and wear rapidly which increases the chance of premature, dangerous and expensive failure or blow-outs. The driver’s control and operating space in the overloaded vehicle are diminished, escalating the chances of an accident.The overloaded vehicle cannot accelerate as normal – making it difficult to overtake

Shadows can provide EVIDENCE that light travels in straight LINE. Think of the shadows that are formed on a cloudless sunny DAY, they are very well defined shadows.

metamorphosisExplanation:

all the questions 1. The two uses of a CONCAVE mirror are Shaving mirrors and vehicle headlights and the two uses of convex mirror are magnifying glass and security purposes. 2. The change in direction of light when it passes from one MEDIUM to another medium which is obliquely is called reflection of light. or the blending of light when it goes from one medium to another oblique you is called reflection of light. 3. Electric wire laid in summer because of heat as temperature rises and the molecules of wire LOSES. 4. The thermometer works on the principle of of Law of Gay-Lussac which State that, at constant volume the Temperature is directly proportion to PRESSURE. 5. The difference between Boilling and evaporation is Evaporation takes place at the surface of liquid at all temperature and the temperature of liquid decreases whereas the temperature of liquid remain same in Boilling and it takes place throughout the water.

tion:When a particle moves with CONSTANT velocity,Velocity won't change, NEITHER speed and followed by no change in acceleration.Only POSITION CHANGES.

noHope this is HELPFUL to you

-3X = 20X= -(20/3) is the ANSWER

Explanation:We already know that MAGNETS are made up of the MAGNETIC substance. ... Repulsive Properties – LIKE magnetic poles repel each other and unlike magnetic poles attract each other. Directive PROPERTY – A freely SUSPENDED magnet always points in a north-south direction.

In SI units, G has the value 6.67 × 10-11 Newtons kg-2 m2. The direction of the force is in a straight line between the TWO BODIES and is attractive. THUS, an apple falls from a TREE because it feels the gravitational force of the Earth and is therefore SUBJECT to “gravity”.

tion:Concave Mirrors are used as SHAVING mirror to see a LARGE image of the face. Concave Mirror are used by DENTIST to see a large image of the TEETH of patients. Concave Mirrors are used as reflectors in torches, Concave reflectors are also used in room heater. Convex Mirror are used in cars, trucks and buses.

a form of energy. It flows from a body at a higher temperature to a body at a lower temperature. Temperature is a MEASURE of the degree of hotness or coldness of a substance. Heat gets tranferred by the processes of coduction, convection and radiation.Effects of Heat EnergyHeat energy produces many effects in materials and in living organisms. The effects of heat energy are the following:(i) When heat is supplied to a body its temperature rises: When a material body, solid, liquid or gas, is given heat energy, its temperature increases. When this HOT body gives out heat energy its temperature DECREASES.(II) Heat energy may bring about chemical changes in a substance: When we heat substances, the heat energy breaks the original bonds between the elements and new products with new bonds are formed. For example, if marble (calcium carbonate) is heated, it turns into calcium oxide and carbon dioxide.(iii) A body may catch fire if it is sufficiently heated and if it is FLAMMABLE. The burning of substances in air or oxygen on heating, with the release of large amount of heat energy and light energy is called combustion. Substances that burn easily in air are called flammable or combustible substances, e.g., wood, coal, petrol, etc. Substances that do not burn easily in air are called incombustible substances, e.g., glass, stone, metals, etc.(iv) On heating, change of state may occur, i.e. a solid may change into a liquid and a liquid may change into a gas. For example if ice (solid) is heated it changes its state to water (liquid) and if this water is further heated it becomes water vapour (gas). Conversely when a gas loses heat energy it changes into a liquid and on further cooling it freezes into a solid.

on't KNOW if you know PLZ ANSWER

tion:Average kinetic energy does not CHANGE. ... Explanation: When a substance is heated at constant temperature (i.e. during its phase change state), the heat supplied MAKES the vibrating MOLECULES GAIN potential energy to overcome the intermolecular force of attraction and move about freely

The vehicle in front sees a laterally erect image and perceives it CORRECTLY, hence giving side to the AMBULANCE van. ... WORD AMBULANCE is written in reverse because the mirror SHOWS a characteristic of what we call "lateral inversion".

The LARYNX of vocal cord CHANGES the voice of male ND femalehope it helps

I think..Its....LOVE MEANS.....(❣️❣️)FRIEND Ship means..()Hope it help uuExplanation:Mark as brainlist✌✌

TruePLZ MARK AS BRIANLIEST AND THX FOR THE SUPERB QUESTION

work DONE (W) = F.SW= 1000*50W= 50000 Nm or Joule..hope it helps you..have a wonderful day AHEAD

ancient GreeceThe Olympic Games originated long ago in ancient Greece. Exactly when the Games were first HELD and what circumstances LED to their creation is uncertain. We do KNOW, however, that the Games were a direct OUTGROWTH of the values and beliefs of Greek society.Explanation:Hope this will help you.

tion:Positive work -1. Pushing a BOX through a distance.2. Lift a book through a height.Negative work -1. Work DONE by FORCE of GRAVITY on an OBJECT when lifted.2. Work done by friction when we walk.Zero work -1. Pushing a wall.2. Walking while holdingplease brainlist

The clear outer PART of the eye's focusing SYSTEM located at the FRONT of the eye. The center of the macula; gives the sharpest vision. The colored part of the eye that regulates the AMOUNT of light entering the eye

5x/3+2=+6 [we can 6=+6]5x/3 =6-25x/3=45x=4×35x=12x=12/5x=2.4 MAY it HELP