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Biology; Chemistry; Physics: Post your doubts here!

Talhakhan

Talhakhan

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a.abid said:
Now see,the car is moving in which direction?Forward right?And the tyres-they have to move in the opposite direction of the driving forcr right?That is backwards.Now frictional force will act opposite to the direction of tyres and hence it will move forward.Get it or not?
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Yes, thanks alot.... :)
 
Dukeofwin

Dukeofwin

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luckywang said:
so we didnt study also can?:eek:
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All examiner report say that most of the OPTIONAL part mentioned in the book comes in section B!
Now in the Physics federal book, we have a optional topic of how sound is heard which means not the whole question but just one or two parts can be based on it in Section B
 
A

a.abid

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Dukeofwin said:
All examiner report say that most of the OPTIONAL part mentioned in the book comes in section B!
Now in the Physics federal book, we have a optional topic of how sound is heard which means not the whole question but just one or two parts can be based on it in Section B
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Our Sir didnt tell us anything about the hearing of sound.He told us that only logic gates come as an optional topic.
 
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