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Theoretical stress-STRAIN model for confined concrete

John B Mander, MICHAEL JN Priestley, R Park

Journal of structural engineering 114 (8), 1804-1826, 1988

A stress-strain model is DEVELOPED for concrete subjected to uniaxial compressive loading and confined by transverse reinforcement. The concrete section may contain any general type of CONFINING steel: either spiral or circular hoops; or rectangular hoops with or without supplementary cross ties. These cross ties can have either equal or UNEQUAL confining stresses along each of the transverse axes. A single equation is used for the stress-strain equation. The model allows for cyclic loading and includes the effect of strain rate. The influence of various types of confinement is taken into account by defining an effective lateral confining stress, which is dependent on the configuration of the transverse and longitudinal reinforcement. An energy balance approach is used to predict the longitudinal compressive strain in the concrete corresponding to first fracture of the transverse reinforcement by equating the strain energy capacity of the transverse reinforcement to the strain energy stored in the concrete as a result of the confinement

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The movement of PROTONS in the CONDUCTIVE SPHERE will be to to the road SIDE.

It's 15 N bcz the RESULTANT FORCE always lie between the sum and the DIFFERENCE of forces
here force will lie between 4N-16N

Then what is the NEXT PART of the QUESTION

the ANSWERE is D. SOLIDS CANT absorb liquid when it is is OBTUSE

Kinetic friction is less than STATIC friction.

when OBJECT is in motion , the electric dipoles in contact SURFACES will less ATTRACTS each other .

so kinetic friction will become less in comparison with static friction.

The ATMOSPHERIC PRESSURE of our BODY is 1 PASCAL

You just try to LOOK her and there. You will found a MULTIPLE of things and situation based on physics. When you are capable of ADAPTING that all, only then you will be ABLE to CONCENTRATE .

By OHMS LAW ...

V= IR
or I=V/R

Here VOLTAGE =220v
and Resistance=100 ohm

so I=220/100=2.2 AMPERE

Please find the answer below:

At a CERTAIN DC current the ENERGY stored in an IRON cored coil is 1000j and its copper loss is 2000w. the time constant (in seconds ) of the coil is 1.0

This so because; E=pt

It is made up of copper because copper is a best CONDUTOR of HEAT and ELECTRICITY

Let D be the point of PROJECTION and AC be the pole and B be the point where it reaches the ground.

Then,

CD=39.2BD=2*39.2=78.4

Given that the body passes over the vertical pole 19.6m

Then Taking downward motion from A to Bt=ROOT of (2h/g)=root of (2*19.6/9.8)=2s

Taking motion from D to a to B

TIME of flight=(2usinN) /g N (angle of projection)

time of ascent=time of descent=usinN/g=usinN=19.6

Taking horizontal motion from D to BucosN*Time of flight=78.4ucosN=78.4/2*2=19.6

Then usinN/ucosN=19.6/19.6=1implies tanN=1

then N=45We know RANGE is maximum when N =45

Then u^2sin2N/g=78.4

Solving we get u= 27.7m/s

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Let the TOTAL distance be 2x

Therefore distance up to mid point is equal to X.

Let the VELOCITY at midpoint be v

And acceleration be a.

From equations of motion :

v² = 10² + 2ax............... 1)

30² = v² + 2ax.............. 2)

(2) - (1) gives :

30² - v² = v² - 10²

900 + 100 = 2v²

1000 = 2v²

v² = 1000/2

v² = 500

v = √500

v = 10√5 m/s

In 1st case, R2=(3P)2+(2P)2+2*3*2*P2*cosΘ = 9P2+4P2+12P2cosΘ = 13P2+12P2cosΘ ----->(1)

In 2ND case, (2R)2=(6P)2+(2P)2+2*6*2*P2*cosΘ ; 4R2=36P2+4P2+24P2cosΘ = 40P2+24P2cosΘ ------->(2)

Multiply (1) by 4; 4R2=52P2+48P2cosΘ ------>(3)

(3)-(2) gives, 0=12P2+24P2cosΘ

Therefore, cosΘ = (-1/2) => Θ = cos-1(-1/2) = 120°

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FERTILISERS,ftuits,food we EAT,WATER,insects,OXYGEN,all gases etc

Comb,WAX crayons and candles ,keys, MOSQUITO repellent, LIPSTICK etc

For all such QUESTIONS use V= IR
answers is an attachment
1. VOLT= WORK done per UNIT charge
v=w/q =9/1.5=6v
2.v=IR
r=v/I=6/1.5=4

An adiabatic process is one in which no heat is gained or lost by the SYSTEM. The FIRST law of thermodynamics with Q=0 shows that all the change in INTERNAL energy is in the form of work done. This puts a constraint on the heat ENGINE process leading to the adiabatic condition SHOWN below.

a REFLECTING TELESCOPE in which light reflected from a convex secondary MIRROR PASSES through a hole in the PRIMARY mirror.

I THING it WOULD be 90°

HEY  after GOING THROUH the calculation we found that to cover 1 km it takes 6 min extra to cover upstream from there we FIND the speed of the STREAM... so the speed of stream will be 10km/hr

1st case :
DISTANCE = SPEED × TIME
DISTANCE = (2×1)km = 2 km

TOTAL DISTANCE = (2+35) km
= 36 km

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It involves a classical KIND of APPROACH which were given by Hamiltonian and Lagrange methods. Mechanics is one BRANCH of classical physics that deals with the study of motion of various objects and particles. It deals with the study of forces that act on bodies, whether it is at static or in motion


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Electromagnetic spectrum. ... Radiowaves, infrared rays, visible light, ultraviolet rays, X-rays, and gamma rays are all TYPES of electromagnetic radiation. Radio WAVES have the longest wavelength, and gamma rays have the SHORTEST wavelength.

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It is an EXAMPLE of NON UNIFORM MOTION

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Thanks for asking this question.

Galvanization or galvanizing is the process of applying a protective zinc coating to steel or iron, to prevent rusting.

The iron or steel object is coated in a thin layer of zinc. This STOPS OXYGEN and water reaching the metal underneath . Zinc is more REACTIVE than iron, so it oxidises in preference to the iron object.

Hot-dip galvanizing is the process of immersing iron or steel in a bath of molten zinc to produce a corrosion resistant, multi-layered coating of zinc-iron alloy and zinc metal. The process is inherently simple, which is a distinct advantage over other corrosion protection methods.

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Yes it is POSSIBLE that MANY forces simultaneously act on one body

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........so to WITHSTAND high lateral FORCE which is more as we go DEEPER in water

Answer is

2A aur B pe. PHYTHAGORAS theoram apply KARENGE bcz they are at right ANGLE

The ANSWER is in the IMAGE

T1=60N ( g+2=10+2=12 =>12 * MASS = will GIVE u the ans)

T2=24N

T3=36N

The ANSWER is in the IMAGE

Liquid molecules are LOOSELY packed so that COEFFICIENT of VISCOSITY is more than solid, so the take a shape of a container. and GAS also don't have shape ,liquid is not the only state of matter which doesn't have shapr

Contact FORCE the force which are applied on your body through a connector Akola contact forces forces like a frictional force magnetic force excetra are the forces of contact .....

Force at a DISTANCE is the distance TRAVELLED by an object from a distance of A to B is called as force at a distance..

Answer:

MAGNITUDE of resultant vector = 8 cm

Angle = 53°

Explanation:

The resultant of the two vectors A and B of magnitude 6 cm and 10 cm respectively.

The resultant vector is at right angle with vector A.

Let resultant vector be C

The three vector form a right angle triangle.

where, vector B form Hypotenuse.

A and C vector form sides of triangle,

|B|=10 cm

|A|=6 cm

|C|=?

USING Pythagoras theorem,

Let the angle between the vector A and B be Ф

Hence, The magnitude of resultant vector is 8 cm and the angle between A and B is 53°

To FIND MOMENTUM of WORK donw