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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.Take angle of projection as theta.

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

1) 0.05cm 2) 0.5cm 3) 5.0cm 4) 0.005cm

differentiation of sin x by ab initio method

thrown with the

help of a sling

with initial

velocity v at an

angle theta from

the horizontal.

a) Working of sling is based on...........

law of vector addition. (1)

b) With the help of a vector diagram,

state this law. (1)

c) Derive the expression for the

maximum height reached by

what is unification and reduction in physics?

examples for inertia of rest,motion and direction?

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.

a gardner moves a lawn roller through a distance of 50 m with a force of 100 N. if the force is acting at an angle of 60 degree to the direction of motion, find the work done.

_{g}, F_{N}, F_{w }and F_{E}be the gravitational, nuclear, weak and electromagnetic forces respectively, then arrange them im proper order as per their strength.i)F

_{g }> F_{N}> F_{W}> F_{E}ii)F

_{g }< F_{W}< F_{E}< F_{N}iii)F

_{E }> F_{N}> F_{W}> F_{g}iv)F

_{W}< F_{g}< F_{E }< F_{N}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.................

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.

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

Find the derivative of the following w.r.t x:

1)sin

^{2}x 2)sin^{m}x cos^{n}xname all branches & sub branches of physics

what is macroscopic and microscopic domains of interest?

What is the dimensional formula for calorie?

what is momentum , linear momentum and angular momentum ?

what is the difference between linear and angular momentum?

also I wanted to know reference books for chemistry, physics and mathsthat can help me in my board exams as well as IIT?

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.

which of the length measurement is most accurate and why?

i)500.0cm ii)0.0005cm iii)6.00cm

What is parallax method ?

Now, answer the following questions based on above information.

Mark the correct statement (s) for this situation

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

Give example of tensor quantity!!

what is unification and reductionism in detail with example?

state work energy theorem. derive it for constant force.

easy way for learning dimensional formulas

WHY IS PHYSICS CALLED BASIC SCIENCEarrange four types of basic forces in the order of increasing strength

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

how to get good marks in class 11th ?

The 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?

Explain fundamental forces in nature?

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

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.

Solve this :11. A metal disc rotates freely, between the poles of a magnet in the direction indicated. Brushes P and Q make contact with the edge of the disc and the metal axle. What current, if any, flows through R?

(a) a current from P to Q

(b) a current from Q to P

(c) no current, because the emf in the disc is opposed by the back emf

(d) no current, because no radial emf is induced in the disc

why do we call physics an exact science ?

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

pls i need the ans within 6 hrs

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

write one important application of geostationary satellite.

In a prism, why does the emergent ray always bends towards the base of the prism???what happens when velocity of a liquidbecames greater than its critical velociy?

i want to know which board is the best ICSE ,CBSE, CHSE for +2 studies i need ur help expert plzzz help me

Which of the following physical quantities is not conserved in an inelastic collision?

i answered kinetic energy.

if kinetic energy is not conserved in an inelastic collision,then why my answer is wrong?

what are the diseases caused by virus?

10. A motorist is travelling at 54 km/hr when he observes a traffic signal at a distance of 280 m ahead turning red at time t = 0. If he decides to decelerate & then accelerate by the same magnitude, so as to pass the signal at 54 km/he at t = 28 seconds, when the signal turns green, then

(A) Magnitude of deceleration is $\frac{5}{7}$ m/s

^{2}(B) Magnitude of deceleration is 1 m/s^{2}(C) Minimum speed reached is 5 m/s (D) Minimum speed reached is 10 m/s

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.the maximum tension that an inextensible ring of mass density 0.1 kg/m can bear is 40 N.the maximum velocity with which it can be rotated in a circular path?

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?

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.

(A) increases

(B) remains nearly unchaged

(C) decreases

(D) Intially increases and then decreases

define unification and reductionism??

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?