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Average Speed
Naman Asks: “A car travels from A to B with a speed of 30km/h and returns back to A with a speed of 50km/h.Find distance,displacement,average speed and average velocity ifdistance between A and B is...
View Articlemagnetic field
Which one we should use Bio saverts law or amperes law to find a magnetic field? chirag Answer Both are used to find the magnetic field .In the case of physical magnet Biot-Savarts law can be used In...
View ArticleA Numerical from Kinematics
Pooja asked: an aeroplane flies 400km due west from city A to city B,then 300km north east to city C,and finally 100km north to city D. how far is it from city A to D?in what direction must the...
View ArticleQuantum Entanglement Links
http://cam.qubit.org/articles http://cam.qubit.org/node/43 http://plato.stanford.edu/entries/qt-entangle/ http://www.wired.com/wiredscience/2011/01/timelike-entanglement/...
View ArticleA Problem from Motion
Sandeepan Asked: “Q. Velocity of a moving particle is given by v = t2 – 4. Find out:- (i) Time at which velocity is zero. (ii) Acceleration at which t= 1s (iii) What type of motion uniform or...
View ArticleCan light do some mechanical work?
“We know that sound can cause some mechanical work(eg:when we keep our hand in front of a large speaker,we feel something hitting the back of our hand), but why this doesn’t happen with light??”...
View ArticlePhysics in Irrigation
Somnath asked: “water in a canal 6m wide n1.5m deep is flowing with a speed of 10km/hr.How much area will it irrigate in 30min if 8cm of standing water is need” Answer (to be posted soon)
View ArticleSequence of Learning Physics
In what sequence should these chapters be prepared for my exams:- units and dimensions,kinematics,laws of motion,work power and energy,motion of system of particles and rigid body dynamics,gravitation....
View ArticleA Few Questions from Previous Board Papers and Answers Posted by Bright students
(A request to all students who have finished revising Physics; Now it’s time to practice Previous Question papers and sample papers. Practice to finish the questions within the stipulated time and with...
View ArticleEXCEEDING COSMIC LIMIT
ADITYA KIRAN asks: “i’ve a beautiful doubt…normally we believe that nothing in dis world can cross cosmic limit…now suppose if 2 light particles(velocity=c) collide at right angles,,then their...
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