1. A carbon resistor of 47 k ohms is to be marked in the colour code . Write the sequence of colours .

2. A toaster produces more heat than a light bulb when connected in parallel to the 220 V mains

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# Month: July 2011

## A few problems from Current electricity

## Big Bang Theory

## A Numerical from kinematics

## Numerical Problems based on Newton’s Laws

## A Question on Evaporation

## Google Guru – A Great Help on the move

## Is the equation for displacement in the n th second dimensionally correct?

Free Help in Physics

1. A carbon resistor of 47 k ohms is to be marked in the colour code . Write the sequence of colours .

2. A toaster produces more heat than a light bulb when connected in parallel to the 220 V mains

‘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 Incoming search terms:big bang theorytheory related in [...]

when a obj. crosses a 5m mark below the top of a building….a 2nd object is released at tat time which is 25m below the top…n den they reach the ground simultaneously…wat is the height of the building??????(

1.A machine gun has a mass of 20 kg. it fires 30g bullets at the rate of 400 bullets per second with a speed of 400 m/s. what force must be applied to the gun to keep it in position?

2.A ball

Arunabh Arun sent this problem. (Click on the image to see the enlarged version.)

Have you heard of Google guru? Users of Google Talk can now get answers to their questions by adding g...@googlelabs.com as their friend on Google talk. After adding as friend, you can just chat with guru and ask any question on chat. The answers will appear as reply almost instantly. If you type Weather Trivandrum, a brief report on Trivandrum’s [...]

Is the equation for displacement in the n th second dimensionally correct?

S = u + a (n- 1/2)

**Answer:**

Yes

**See the explanation given by Vimal Raj**

If we notice the derivation of this formula

let t1=x

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