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5751.

Difference between speed and velocity of a moving body

Answer»

I think it helps you please mark me as brainliest answerExplanation:The reason is simple. SPEED is the time rate at which an object is moving along a PATH, while velocity is the rate and direction of an object's movement. PUT another way, speed is a SCALAR value, while velocity is a VECTOR

5752.

Define the fuel and fossil fuel with example​

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Fossil fuels are made from DECOMPOSING PLANTS and animals. These fuels are FOUND in the Earth's crust and contain carbon and hydrogen, which can be burned for energy. COAL, oil, and natural gas are examples of fossil fuels. ... Oil is originally found as a solid material between layers of sedimentary rock, like shale.

5753.

You are given two thermometer A and B. thermometer A has 10 division between 98 F and 108 F while thermometer B has 100 division between 98F and 108F. which thermometer would you like to prefer while measuring temperature of your body you are suffering from fever ? Give reason in terms of least count​

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You are given two thermometer A and B. thermometer A has 10 division between 98 F and 108 F while thermometer B has 100 division between 98F and 108F. which thermometer would you like to prefer while MEASURING temperature of your body you are suffering from fever ? Give reason in terms of least count

5754.

3. Why is magnetic force considered as an action-at-a-distance force?​

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Explanation:Magnetic force CONSIDERED as an action at a distance force because; it comes into play even when the MAGNET and other OBJECT (like iron) are kept at a distance and not in direct CONTACT with each other. HENCE, magnetic-force is considered as an action- at-a-distance force.

5755.

Draw a velocity-time graph for the following data: Time (in seconds ) 2 4 6 8 10 12 14 Velocity (in m/s) 5 10 15 20 20 10 0 (a) What type of motion is represented during 0-6 seconds? (b) What is acceleration in the first 6 seconds? (c) Calculate the retardation (i.e negative acceleration) during 12-14 seconds.

Answer»

(a) During the 0 -6 seconds the motion represented is uniform motion . (b) Acceleration in FIRST 6 seconds = a = (15-5) / (6 -2 ) = 10/4 = 2.5 m/s2 . (c) Distance TRAVELLED between the 6 to 8 seconds is , S=ut+12ft2=(15×2)+12×(20−152)×4=30+5=35 mS=ut+12ft2=15×2+12×20-152×4=30+5=35 m (d) Retardation = a' = ( 0-10)/2 = - 5 m/s2

5756.

a mass of 4kg is dropped from a tower at a height of 45m calculate the kinetic energy possessed by the body when it is at a height of 35 m

Answer»

I don't KNOWI don't KNOW

5757.

Kosa silk is the main veriety of silk product in India true or false​

Answer»

tureExplanation:

5758.

Directions : Q.1 to Q.6 are multiple choice questions. Each question has 4 choices (1), (2), (3) and (4) out of which ONLY ONE is correct. 1. What is normal human body temperature for a healthy person? (1) 37o C (2) 101o F (3) 98.6o F (4) Both (1) and (3) 2. The temperature range of laboratory thermometer is ________. (1) –10o C to 100o C (2) 0o C to 100o C (3) –10o C to 110o C (4) 0o C to 110o C 3. Mercury is mostly used in thermometer because it has (1) shiny appearance (2) wide temperature range (3) high conductivity (4) all of these 4. Which of the following is correct precaution that should be taken while reading a laboratory thermometer? (1) Hold the thermometer by the bulb while reading it (2) Ensure that thermometer is slightly tilted (3) Read the thermometer keeping the level of mercury inclined at an angle with line of sight (4) The bulb of the thermometer should be completely surrounded by the substance to be measured. 5. Boiling point of mercury is (1) 78o C (2) 273o C (3) 100o C (4) 357o C 6. The liquid-in-glass thermometer consists of (1) bulb (2) capillary tube (3) glass tube (4) all of these Directions (Q.07 to Q.10) : Read the following statements and mark your answer as true or false. 7. The temperature range of clinical thermometer is 35 o C to 42 o C. (1) True (2) False 8. Mercury is a transparent liquid used in thermometers. (1) True (2) False 9. In a liquid-in-glass thermometer, mercury expands when temperature falls. (1) True (2) False 10. Boiling point of water is measured by laboratory thermometer. (1) True (2) False

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Directions: Q.1 to Q.20 are MULTIPLE choice questions. Each question has 4 choices (1), (2), (3) and (4) out of which ONLY ONE is correct. 1. REDUCE 144180 to its lowest FORM. (1) 7290 (2) 3645 (3) 1215 (4) 45 2. Simplify: – 50 + 20 – 30 + 40 (1) – 100 (2) –10 (3) – 20 (4) 20 3. Find the sum of 223 and 154. (1) 71720 (2) 11712 (3) 172024 (4) 10724 4. The cost of 12 baskets of apples is Rs. 4200,each basket contains 70 apples, find the cost price of an apple. (1) Rs.350 (2) Rs.7 (3) Rs.5 (4) Rs.42 5. Subtract 145 from167. (1) 33135 (2) 35133 (3) 3568 (4) 8635 6. A hiker is descending 252 m in every 12 minutes. What will be hikers change in elevation in half anhour? Write as an integer. (1)21 m (2) 630 m (3) 12 m (4) 31 m 7. Subtract the sum of 14 and 35 from 324. (1)1910 (2) 1109 (3) 910 (4) 9110 8. Find the value of: – 252´(– 73)+(– 252) ´(– 27) (1) 25200 (2) – 25200 (3)7300 (4) 2700 9. Find the value of: 539×999+539. (1) 999000 (2)539000 (3)935000 (4) 395000 10. In 5 games he won 3 marbles in each and in next 7 games he lost 2 marbles in each game.Find the number of marbleDeepak has at the end of the games? (1) 1 (2) 29 (3) 15 (4) 14 11. Evaluate (– 8+24)÷(– 2)+5 (1) 3 (2) – 5 (3) – 3 (4) –29Explanation:

5759.

Why does a 'charged' balloon stick to a wall?​

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The electrons cling to your body until they can be released. When you RUB a balloon against your clothes and it sticks to the WALL, you are ADDING a SURPLUS of electrons (negative charges) to the surface of the balloon. The wall is now more POSITIVELY charged than the balloonmark me as brainliest..

5760.

The resistivity of a copper metal dependsonly one ofthe following factor:This factor is ​

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The RESISTIVITY of copper metal is SAID to depend on the temperature. The resistivity of the copper metal change with the change in temperature. The resistivity of any metal LINEARLY DEPENDS on the change in temperature.

5761.

What is this answer please tell me friends Reactivity​

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Reactivity is the TENDENCY of a substance to UNDERGO chemical reaction, EITHER by itself or with other materials, and to release energyExplanation:

5762.

What is this answer please tell me friends oxides​

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An OXIDE (/ˈɒksaɪd/) is a CHEMICAL COMPOUND that contains at least one oxygen atom and one other element in its chemical formula. "Oxide" itself is the dianion of oxygen, an O2– atom. METAL oxides THUS typically contain an anion of oxygen in the oxidation state of −2.Explanation:

5763.

Define Speed. what is the speed of a car that covers 120km in 2 hours

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60km/hspeed =distance/timespeed=120/2=60plz CHAT WITN me

5764.

During an experiment a signal from a,spaceship reached the ground station in 5 minutes what was the distance of spaceship from the ground station if the signal travels at speed light of 3×10 raise power 8 m/sec ​

Answer» TIME taken by the SIGNAL to reach the ground station from the spaceship = 5 min = 5 × 60 = 300 s SPEED of the signal = 3 × 108 m/s ∴Distance travelled = Speed × Time taken = 3 × 108 × 300 = 9 × 1010 m Hence, the distance of the spaceship from the ground station is 9 × 1010 m.Explanation:
5765.

Define speed what is the speed of a car that covers 120 km in 2 hours

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speed is the DISTANCE COVERED by a body UPON timeS=120/2=60km/hrExplanation:HOPE this helps.......

5766.

Please help me guys Ihave a big problem in this question​

Answer»

1kg/m3=1000g/100×100×100cm3which MEANS

5767.

What does quantum tunnel mean..... Can anyone explain? ​

Answer» TION:HOPE it will HELP U ................
5768.

A body is thrown verticaly upwards with velocity u find the greatest height h to which. how much it will rises​

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The body that is thrown VERTICALLY UPWARD with velocity U will have final velocity v=0 at the greatest height h. or h=2gu2.HOPE IT HELPS YOUPLEASE FOLLOW ME

5769.

What is the purpose of using a electric switch in an electric circuit

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to CONNECT or DISCONNECT the LOAD from SUPPLY

5770.

What is this answer please tell me friends deflagrating ​

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Burn or cause to burn away with a SUDDEN flame and RAPID sharp COMBUSTION

5771.

What type of motion is the spinning of the earth on its axis ​

Answer» ROTATION or REVOLUTION are TWO MOTIONS of EARTH
5772.

Show that area under velocity-time curve of body moving uniformly gives the displacement of the particle in a given time.

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If a body has uniform motion then the line on the graph will be straight and parallel to the x AXIS. the area of that part of the graph would be EITHER the square of a RECTANGLE or a squarevelocity =diplacement/timearea of part covered by line =lenght*breadththerefore, velocity multiplied by time= displacement\time *time/1displacement=stime=ts/t*t=s=displacementif the body is MOVING in a uniform fashion then you can easily calculate the distance covered by the body in 1 secondhope this helps.if you need any more help please REACH out

5773.

definitions of chemistry please please please please please please please please please please please please please​

Answer» TION:BRANCH of sceince including MIXING of chemicalsmark as BRAINLIEST Plss
5774.

how will you differentiate between the distance covered by an object and its displacement? write the important characteristics of distance travelled and displacement

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e : The TOTAL path Travelled by an object is called Distance.Example If A travels to B for 5Km then comes back from B HOUSE To A then the total distance is 5Km+5Km=10KmDisplacement : The shortest distance between the points is called Displacement. Example If A travels to B for 5Km then comes back from B house To A then the total displacement is 0 Km

5775.

What do you mean by the weight of an object ? Explain with SI unit​

Answer» KG is the SI UNIT Explanation:press❤️ BRAINLIEST ANSWER ALSO please
5776.

Name two factors Which influence the physical state of matter​

Answer» TEMPERATURE, PRESSURE, INTERMOLECULAR FORCE
5777.

Guess which suond has higher pitch: guitar or a car horn​

Answer» CAR hornhope it HELP.........
5778.

What is this answer Malleability please tell me friends ​

Answer»

Mslleability is the SUBSTANCE's ABILITY to DEFORM under pressure Hope it helps

5779.

How hot does lightning heat surrounding air?

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a very POOR CONDUCTOR of electricity and GETS extremely hot when lightning passes through it. In fact, lightning can heat the air it passes through to 50,000 degrees Fahrenheit (5 times HOTTER than the surface of the sun).Hope it helps

5780.

One millimetre of a liquid is equal to one _____ by volumeplease friends answer fast​

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A milliliter, ABBREVIATED as ml or mL, is a UNIT of VOLUME in the metric system. One milliliter is equal to one thousandth of a liter, or 1 cubic CENTIMETER. In the imperial system, that's a small amount: . 004 of a cupPLZ MARK AS BRAINLIEST ANSWER AND THX FOR THE BEST QUESTION

5781.

S. write down 5 genigal poposities of solids,Liquids and gasteans​

Answer» TION:solid had definite mass ,volume and shape. 5. solid are incompressible and RIGID....particles of LIQUIDS are loosely packed.liquids have definite mass and volume.liquids don't have definite shape.liquids flows easily.liquids adjust in the container in which they are KEPT .
5782.

Whyare ventilators in houses provided at the top of walls?​

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ntilators are provided in the rooms at the top of the ROOFS, just below the roofs because if the air inside the ROOM GETS hot thehot air rises up and flow through these VENTILATORS and thus COOL air remains at bottom so that to relive in hot sumers

5783.

What is the size of particles in matter as determined by the experiment?very short​

Answer»

This is your answer.Hope it's HELPFUL....

5784.

Want answer for attached questions​

Answer»

it HELPS you . I THINK this is CORRECT ANSWER

5785.

What type of motion does the earth show around the sun?​

Answer» PERIODIC motionExplanation:
5786.

Which type of heat raises the body temprature when sunraysfall on it​

Answer»

The UV RAY's or the PHOTOELECTRIC Ray's RISE the temp of the body.Explanation:follow me

5787.

Which is the convenient unit to express the distance from the earth to to the star thiruvathira? ​

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light YEARS Explanation: Light years are used to measure the distances in the SPACE. one light YEAR means DISTANCE traveled by light in one year

5788.

How do convection currents occur in liquid?

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ticles in these fluids can move from place to place. Convection occurs when PARTICLES with a lot of heat ENERGY in a LIQUID or gas move and take the place of particles with less heat energy. ... This is because the particles in liquids and gases move faster when they are heated than they do when they are cold.Hope it HELPS :)

5789.

Does speed of an object depend on its direction of motion?​

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The KINETIC ENERGY of an object is the energy it has because of its motion. Note that energy is a SCALAR QUANTITY, i.e., it does not depend on direction and it is always positiveExplanation:please MARK me as brainliest

5790.

What is series current ​

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in a SERIES currentExplanation:the current that flows through each of the COMPONENETS is the same,and the VOLTAGE acrossthe circuit is the SUM of the INDIVIDUAL voltage drop across each component

5791.

Apple pie and ice skating​

Answer»

What we have to do in this

5792.

Which mineral is vital for bones and teeth? Which component of food plays an important role as a solventdigestion of food and excretion of waste products?5. Why should we avoid fat-rich foods?Short Answer Questions:How do we get most of the water needed by our body?Give two cooking practices that lead to the loss of nutrients1.2.3.4.Differentiate between the two types of carbohydrates fourDefine balanced diet. Is it the same for every person? WhOne day, Rohan's maid brings her 1-year-old son, Mosunken eyes, dry and wrinkled skin, a very weak and to5.and eggs.feringf​

Answer»

1] calcium and phospourous2]water and Juices ( ENZYMES)3] It COULD cause Colestral4] EXTERNAL sources of water5] over water absobtion and using pressure COOKER

5793.

Describe briefly how the density of a substance changes with the change in weather.

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Density changes with temperature because volume changes with temperature. Density is MASS DIVIDED by volume. As you heat something up, the volume usually increases because the FASTER moving molecules are further apart.

5794.

3. A child lifts a book of mass 1 kg from the table to a cupboard at a height of 2 m from the floor. What is the potential energy of the book with respect to the floor?​

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20 joulesExplanation:GIven:Mass of the BOOK = m = 1 kg Height to which the book is lifted = h = 2 metresGravitational force = g = 10 m/sTo find:POTENTIAL energy of the book with respect to the floorPotential energy = mass × gravitational force × heightPotential energy = 1 × 10 × 2Potential energy = 10×2Potential energy = 20 JoulesThe potential energy possesed by the book with respect to the FLOOR is equal to 20 joules

5795.

What mirror used in periscope.​

Answer»

irrorsitzDopeGirl

5796.

Why did boxers going opposite of the competitor will punch? please tell the answer

Answer» DEFEND them SELF's & WIN the MATCH
5797.

Why does a boxer always move along the direction of the punch of the opponent

Answer» FEND them SELF's and WIN the GAME
5798.

Which force is called that pull all the bodies towards each other is called a.gravity b.gravitation force

Answer»

tational FORCE is CORRECT

5799.

Answer this questions plz 1.How does lightening occur between clouds? 2.How the tall buildings are saved from the lightening ? 3.Find the amount of current flowing through conductor of charge 50 C for 20 sec... Please answer this fast !!!!!!!!!!!!!!!!

Answer»

, positively charged particles form at the top of the cloud. Heavier, negatively charged particles sink to the bottom of the cloud.When the positive and negative charges grow large enough, a giant spark - lightning - occurs between the two charges within the cloud.Buildings are FITTED with an device known as the lightning conductor. The top point of the lightning conductor has protons and the electrons from the cloud GETS attracted to it as they both are unlike charges and the some electrons turn into neutral particles and some GO towards the GROUND. By this no harm is occurred to the house or building.current=columb/timeI=Q/T50/20=2.5 A

5800.

I want a science project on space crafts and rockets

Answer» CRAFT is a vehice, or MACHINE designed to fly in the OUTER part of earth SPACE craft r used for a variety of purposes INCLUDING communition