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# Tag Archives: point

## Displacement and acceleration in real life

HOW DISPLACEMENT,ACCELERATION ACTS IN REAL LIFE PLZ GIVE SOME EXAMPLE.

(The question was posted by Chandrima )

As you know, the displacement is the shortest distance between two points ; the initial point and the final point. The displacement is independent of the path followed by the object and this itself is the beauty of the concept of displacement. We may take different paths to reach a destination, and the length of the path may be different, but all the paths result in the same displacement.

## What will be the zero spot in electric field lines of 2 opposite charges?

Taha asked this question – what will be the zero spot in electric field lines of 2 opposite charges?”

I think the question is about null point. When the charges are of opposite sign, the null point (also called neutral point) is not in between the two charges, but is outside the line joining the two charges (But along the same line produced outwards)

## Big Bang Theory

‘BIG BANG’ theory is well known to all . If it actually happened, Then I thought a question about this, like as what is the actual position of our earth in the previous time of ‘BIG BANG’?? When the whole earth is like a point. … Arkajyoti asked

## A Problem from kinematics The magnitude of the velocity of a particle changes uniformly from 14 m/s downward at point A to 4 m/s at point B. As the particle moves alongthe path from A to B determine the acceleration of the partice when it is at point C.

## A Problem based on Bernoulli’s Equation

“Water moves through a constricted pipe in steady, ideal flow. At the lower point , the pressure is 1.75×10^5 Pa and the pipe radius is 3.00 cm. At another point, 2.50 m higher, the pressure is 1.20X10^5 Pa and the pipe radius is 1.50 cm.Find the speed of flow in a)the upper section, b)the lower section, c) find the  volume flow rate through the pipe.”