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An atom is the SMALLEST PARTICLE of an element that can take part in chemical reaction.atoms are very very small in SIZE.

zeroExplanation:If we calculate the vertical component of velocity after 1.5 seconds we GET zero which conclude that the particle has reached the HIGHEST point at that time. the only velocity acting at highest point is velocity along a HORIZONTAL component so the angle made with the INITIAL horizontal component is zero

the DENSITY...........

vw-10√2j=10(i+J/√2)-vw-10√2j=5√2i+5√2j-vw(-10√2-5√2)j+(-5√2)i= -vw15√2j+5√2i=vwvw= 10√5km/hr

aw Of Motion. Isaac Newton's FIRST law of motion, also known as the law of inertia, states that an object at REST will stay at rest and an object in motion will stay in motion with the same speed and direction unless ACTED upon by unbalanced force.It is all about inertia of a body ..........

it is quite SIMPLE....... just CALCULATE the distance between AB, BC and AC then using formula ( V= Ed) , U will get ur answerhope it helps

Explanation: for constant velocity or SPEED : if we DIFFERENTIATE constant it will GIVE zero. : a = dv / dt =0 HENCE a= 0 now , T = m(g+a) Or, T = m(g+0). Or, T= mg. =( 6000×10) N or. T =60000N ans

tion: U2 SIN2 THRETA P= ------------------------------ 2 g

is DIMENSIONLESS and at MUST have same DIMENSIONS as they are being ADDED[a] = [T-¹]

Newton's second law of motion is F = ma, or FORCE is equal to mass times acceleration. LEARN how to USE the formula to calculate acceleration.

It's MEAN EVERY body in the universe attract each other body with a force which is DIRECTLY proportional to the product of their masses and inversely proportional to the SQUARE of the DISTANCE between them.

The lesson, 'The Ailing Planet: the Green Movement's Role' focuses on the deteriorating health of the EARTH because of HUMAN being's growing lust to exploit all its NATURAL resources. A Zoo in LUSAKA, Zambia CALLS the man as the most dangerous animal in this world.

Explanation:Check out ncert BOOK of SCIENCE CLASS 10.

solar ( or photovoltaic) cell converts the SUN energy into electricity. As these hit the silicone ATOM of solar CELLS, they TRANSFER their energy to lose their electrons. I hope above -mentioned answer help you.

The force required to stop a moving BODY is DIRECTLY PROPORTIONAL to its massevery moving body posses momentum.its SI unit is kg metre PER second.

The RATE of change of displacement with respect to TIME is VELOCITY SI UNIT = m/sL^1T^-1 are the dimensions hope it will HELP you #VJ

u have FORMULA 4/3 PIE R cube differentiate it...then u will get 3 multiply DELTA r/r×100

Oil and natural gas are non-renewable sources of energy. There have been numerous attempts to minimize the depletion of these two resources. Scientists have proposed many reasons for the high importance of their conservation.Oil and natural gas conservation involves the use of these resources in a better and a more well-organized manner with respect to economic, social and ambient expenses and rewards, contributing to more efficient energy utilization practices and the reduction of the damage dealt to the ecosystem.This article evaluates the ways in which oil and natural gas can be conserved, and describes the expected results of these conservation measures.Conservation of oil and natural gas remains a problemin many COUNTRIES around the WORLD. One of the most evident proofs of this is a global increase in its price.Consequently, each of us faces the responsibility of conserving these scarce resources. This involves the support of governmental oil and natural gas protection policies. Every single family should carry the responsibility of conserving state-owned resources.In order to control the use of oil and natural gas, governments should implement a NUMBER of policies. Moreover, motor vehicle USERS should be obliged to make sure that their vehicles’ tires are sufficiently inflated. The condition of the tires should be checked at least once a MONTH. By doing this, fuel consumption is decreased by about 3%.

nce between AC and DC generator is one of the most discussed topics among the physics enthusiasts. In this article, the main differences between AC and DC generator in tabular form are given in a simple and easy to understand way. These AC and DC generator differences can help the students learn about this topic better and remember the points more effectively.Difference Between AC and DC GeneratorBefore going to the differences, it is important to learn about AC generators and DC generators in detail. By knowing their details, understanding the differences will BECOME easy and simple. Check about AC and DC generators from the links given below.The Electric GeneratorWhat Are AC Generators And Transformers?Difference Between AC and DC GeneratorSl. No.Differentiating PropertyAC GeneratorDC Generator1DefinitionAC generator is a mechanical device which converts mechanical energy into AC electrical power.DC generator is a mechanical device which converts mechanical energy into DC electrical power.2Direction of CurrentIn an AC generator, the electrical current reverses direction periodically.In a DC generator, the electrical current flows only in one direction.3Basic DesignIn an AC generator, the coil through which the current flows is fixed while the magnet moves. The construction is simple and costs are less.In a DC generator, the coil through which the current flows rotates in a fixed field. The overall design is very simple but construction is complex due commutators and slip rings.4CommutatorsAC generator does not have commutators.DC generators have commutators to make the current flow in one direction only.5RingsAC generators have slip-rings.DC generators have split-ring commutators.6Efficiency of BrushesSince slip-rings have a smooth and uninterrupted surface, they do not wear quickly and are highly efficient.Both brushes and commutators of a DC generator wear out quickly and thus are less efficient.7Short Circuit PossibilityAs the brushes have high efficiency, a short circuit is very unlikely.Since the brushes and commutators wear out quickly, SPARKING and short circuit POSSIBILITY is high.8ArmatureIn case of AC generators, the armature is always the rotor.In case of DC generators, the armature may be either rotor or stator.9Rotating PartsThe rotating part in an AC Generator is low current high resistivity rotor.The rotating part in a DC generator is generally heavy.10Current InductionIn AC generator, the output current can be either induced in the stator or in the rotor.In DC generator, the output current can only be induced in the rotor.11Output VoltageAC generators produce a high voltage which VARIES in amplitude and time. The output frequency varies (mostly 50Hz to 60Hz).DC generators produce a low voltage when compared to AC generator which is constant in amplitude and time i.e. output frequency is zero.12MaintenanceAC generators require very less maintenance and are highly reliable.DC generators require frequent maintenance and are less reliable.13TypesAC generators can of varying types like 3 Phase generators, Single phase generators, synchronous generator, induction generator, etc.DC generators are mainly two types which are Separately excited DC generator and Self-excited DC generator. According to field and armature connection, they can be further classified as DC series, shunt or compound generators respectively.14CostThe initial cost of AC generator is high.The initial cost of DC generator is less when compared to AC generators.15Distribution and TransmissionThe output from AC generators is easy to distribute using a transformer.The output from DC generators is difficult to distribute as transformers cannot be used.16EfficiencyAC generators are very efficient as the energy losses are less.DC generators are less efficient due to sparking and other losses like copper, eddy current, mechanical and hysteresis losses.17ApplicationsIt is used to power for smaller motors and electrical appliances at homes (mixers, vacuum cleaners, etc.)DC generators power very large electric motors like those needed for subway systems.These were the main AC and DC generator differences. In the above difference between DC and AC generator, several higher level concepts are also included to give in-depth insights about the DC and AC generators. This is extremely important for the students wishing to pursue engineering (especially electrical).Apart from these differences, students can also check additional related articles given below. The additional related articles can help to learn similar topics in a better and more effective way. Click the links given below for more related articles.

vibrate the tree with the HELP of our hand, it means we have him a FORCE and DUE to this force the leaf of tree were shake and FALL down due to gravity

An automatic transmission is essentially an automatic GEAR shifter. INSTEAD of manually shifting the gears with a clutch on a manual transmission car or a gear shifter on a BICYCLE, the automatic transmission does everything for you. ... A car in a low gear will start struggle as its PUSHED to higher speeds

tion:Newton's second law of motion pertains to the behavior of objects for which all existing forces are not balanced. The second law STATES that the acceleration of an OBJECT is DEPENDENT upon two VARIABLES - the net force acting upon the object and the mass of the object.

be 2 PERCENT

tion:What is the numerical ratio of average velocity to average speed of an object when it is MOVING along a straight path? ACCEPTED ANSWER: When an object is moving along a straight path, magnitude of average velocity is equal to the average speed. Therefore, numerical ratio of average velocity to average speed is ONE.

Carbon-dioxide(CO2)Explanation:The REACTION is:--dil.HCL + NA2CO3 = NaCl + CO2 + H20Please , don't ask these TYPES of questions in physics category.

angle of FRICTION is equal to CO EFFICIENT of static friction.tan[cos^-1 4/5] = 3/4=co efficient of static friction

4 will be ANSWER..let's take an example --- 1kg = 1000gHere 1 is smaller than 1000 but kg is a BIGGER unit than g...Hence, we can SAY that n is inversely proportional to U

tion:Earthing of distribution transformer NEUTRAL serves the following three PURPOSES: (1) In case of line-to-ground faults, which is most common AMONG all faults, fault current FLOWS to the earth which is sensed by the relay or FUSES.

Instrumentation amplifiers are precision, integrated operational amplifiers that have differential input and single-ended or differential OUTPUT. Some of their key features include very high COMMON mode rejection RATIO (CMRR), high open loop gain, LOW DC offset, low drift, low input impedance, and low noise.aExplanation:HOPE THIS ANS WILL HELP U

10² + 2*10*10*cos0√200 + 200√40010√2

t UNDERSTAND your QUESTION

Ultrasonic TechniquesUltrasonic velocity is directly connected to the elastic moduli and the density of a solid material. By ANALYZING ultrasonic shear and longitudinal wave velocities, the Young?s MODULUS and shear modulus can be determined and by this the Poisson ratio. An excellent review on the evaluation of mechanical properties from ultrasonic attenuation and velocity MEASUREMENTS can be found in Vary (1986).The ultrasonic velocity and attenuation have been CORRELATED to hardness in various steels. In general, the velocity and attenuation coefficients are found to vary inversely with hardness in case-hardened, quenched, and tempered steels. In the case of 9Cr–1Mo ferritic steel, the ultrasonic longitudinal and shear wave velocities are used to determine the hardness of the steel with different amounts of ferrite and martensite. Ultrasonic velocity measurements are found to be useful for on-line assessment of the extent of degradation of mechanical properties associated with precipitation of intermetallics in Inconel 625. Different correlations are observed for ultrasonic velocity and yield strength upon precipitation of intermetallic phases with different coherency with the MATRIX

they APPEAR to COME from POSITIVE and ENTER in NEGATIVE

385Explanation:1 + 4 + 9 + 16 + 25 + 36 + 49 + 64 + 81 + 100 = 385