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how to make any working model in physics?

plsss!!!!!! suggest me a working model on any topic of physics for class xi bt a gud one.

Write the dimensions of a and b in the relation P=b-x

^{2}/at where P is power, x is distance and t is time.$8.Twomediumofdielectriccons\mathrm{tan}t{K}_{1}and{K}_{2}areintroducedaccordingtogiven\phantom{\rule{0ex}{0ex}}figureIf\frac{{K}_{1}}{{K}_{2}}=3thencalculateratioofcapacityofpartAandpartBand\phantom{\rule{0ex}{0ex}}netcapacityofsystem.(AreaofeachplateisA)$

WHAT IS MEANING OF INERTIA? plz explain me in hindi.

name a scalar quantity and a vector quantity which have same dimensions

pls i need the ans within 6 hrs

differentiation of sin x by ab initio method

If electromagnetic force were not intrinsically so much stronger than gravity, the hand of the strongest man would crumble under the weight of a feather! Indeed to be consistent, in that circumstance,we ourselves would crumble under our own weight !

Please explain the above paragraph in simple words .

what is unification and reduction in physics?

i)Strong nuclear forces are charge independent

ii)Weak nuclear forces are charge independent

iii)Gravitational forces are charge independent

iv)All of these

examples for inertia of rest,motion and direction?

11. A particle moving with constant acceleration along a straight line covers distance between 2 points 80 m apart in 10 seconds. Its velocity as it passed the second point is 18 m/s.

(A) Its velocity at the first point is -2 m/s

(B) Its acceleration is 2 m/s

^{2}(C) The total distance travelled during these 10 seconds is 82 m

(D) All above are false

28. Charge induced on the inner surface of cavity is

A. -Q, uniformly distributed B. -Q, non-uniformly distributed C. -(Q+q), non-uniformly distributed D. None

29. Net charge on the outer surface of conducting surface is

A. + Q B. B. Q- qR/l C. -qR/l D.None

30. Potential at a point inside the cavity is:

A. A. Zero B. Positive C. negative D. can not be determine

PAI KA MAN 22/7 KYO HOTA HAI

a person aiming to reach the exactly opposite point on the bank of a stream is swimming with a speed of 0.5 m/s.at an angle of 120 degree with the direction of flow of water. find the speed of water in the stream.................

Q.6. The resultant of three vectors of magnitudes 1, 2 and 3 units and whose directions are along the sides of an equilateral triangle taken in the same order is :

(A) 1 unit

(B) $\sqrt{6}$ units

(C) $\sqrt{3}$ units

(D) $\sqrt{14}$ units

Q.7. In the above equation the resultant vector makes an angle of :

(A) 210$\xb0$ with the first vector

(B) 30$\xb0$ with the first vector

(C) 60$\xb0$ with the first vector

(D) 120$\xb0$ with the second vector

wht's the dimensional formula of viscosity..????

assuming that the critical velocity of a viscous liquid flowing through a capillary tube depends upon radius r of a tube,density of the tube and co-efficient of viscosity of the liquid. use the method of dimensions to obtain a relation between these quantities.

name all branches & sub branches of physics

what is macroscopic and microscopic domains of interest?

What is the dimensional formula for calorie?

Tungsten-176 has a half-life of 2.5 hours.After how many hours will the disintegration rate of a tungsten-176 sample drop to 1/10 its initial value?what is momentum , linear momentum and angular momentum ?

what is the difference between linear and angular momentum?

Take angle of projection as theta.

A drop of olive oil of radius 0.25mm spreads into a circular film of radius 10cm on the water surface. Estimate the molecular size of olive oil?

If velocity,time and force were chosen as basic quantities, find the dimensions of mass.

What is parallax method ?

^{2}. Find 9K value in c.g.s system.A particle name 'A' moves along a circle of Radius 50cm so that its radius vector r relative to the point O rotates with the constant angular velocity=0.40 rad/s. Find the module of the velocity of particle, and the modulus and the direction of its total acceleration.

^{3}.When will the Ncert Solutions Of PHYSICAL EDUCATION be published and also the FUNCTIONAL ENGLISH class XI.

For example. when Johannes Kepler (1571-1630) examined the extensive data on planetary motion collected by Tycho Brahe (1546-1601), the planetary circular orbits in heliocentric theory (sun at the centre of the

solar system) imagined by Nicolas Copernicus (1473—1543) had to be replaced by elliptical orbits to fit the data better. Occasionally, however, the existing theory is simply unable to explain new observations. This causes a major upheaval in science. In the beginning of the twentieth century, it was realised that Newtonian mechanics, till then a very successful theory, could not explain some of the most basic features of atomic phenomena.

what is unification and reductionism in detail with example?

easy way for learning dimensional formulas

arrange four types of basic forces in the order of increasing strength

how to get good marks in class 11th ?

Find the derivative of given function w.r.t corresponding independent variable

y = x

^{2}+ x + 8s = 5t

^{3}- 3t5y = 5sin x

y = x

^{2}+ sin xThe length of a second hand of a clock is 10 cm. find the speed of the tip of

the hand?A compass of direction East,West,North,South shows us the direction of south.find the actual direction of the copass?

can u explain relativistics mechanics in written way ? please

Explain fundamental forces in nature?

why ch-1 'PHYSICAL WORLD' ncert solutions are not provided????

sphero meter expriment

IS VMC BETTER OR FIITJEE FOR JEE STUDIES?I WAS IN FIITJEE FOR CLASS 9TH AND 10TH AND I DIDNT LIKE IT MUCH,STUDIES THERE WERE LIKE TIME PASS.I NEED UR SUGGESTIONS ALSO.PLS HELP.

state work energy theorem. derive it for constant force.

Give example of tensor quantity!!

prove that change in kinetic energy of a particle is equal to the work done on it by a variable force

why do we call physics an exact science ?

A car accelerates on a horizontal road due to force exerted by the

A) Road on car

B) Car on road

C) Engine of car

D) driver of car

Explain How

"Conservation laws have deep connection with symetries of nature"

WHY IS PHYSICS CALLED BASIC SCIENCEIn a prism, why does the emergent ray always bends towards the base of the prism???i want to know which board is the best ICSE ,CBSE, CHSE for +2 studies i need ur help expert plzzz help me

what are the diseases caused by virus?

Find the value of Cos 220 degree.

frequency of vibration of mass 'm' sutended from a spring of constant 'k' is given by f=cm

^{x}k^{y}.... find value of x and y......... plzzz do it quickly.... plzzz everybody try to do it...... plzzz guys its a request.....do it frnds......as quickly as u can.......thank u....

Q1= Four Particles of equal masses M move along a circle of radius R under the action of their mutual gravitational attraction .Find the speed of each particle.if the unit of force were kilonewton,that of time milisecond and that of power kilowatt,what would be the units of mass and lenth?

1.what is astronomical and terrestrial scales.and it"s deffrince.

2.what is microstopic and macroscopic.and it"s deffrince.

3.what is atomic phenomena,molecular phenomena and nuclear phenomena.

4.what is stabilised rule.

define unification and reductionism??

the urface tension of water i 72 dyne per cm .express it in si unit

Q.Each side of a cube is measured to be 7.203m .What are the total surface area and the volume of the cube to appropriate significant figures?

Check the correctness of agiven physical relationship?

v=/pr4 / 8nl

where v=volume of the fluid flowing through the tube per second

p=pressure difference across the ends of the tube.

r=radius of the tube.

l=length of the tube.

n=co-efficient of viscosity.

how is the fate of the society linked with development in physics?

what are the drawbacks of classical physics

If A+B is a unit vector along x-axis and A=i+j+k, then B is?