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| from what year did the phy portion change? |  | 
| asked by ... (tedgreen) 8 years ago | 
| 3 | 
| can sm1 plz state n explain the principle of d.c. motor?
plz reply ASAP. |  | 
| asked by Amandeep Kaur Chawla (princessapril) 8 years ago | 
| 2 | 
| The density of air decreases with increase in humidity. The heavier molecules are displaced. Okay so where do the heavier molecules go? |  | 
| asked by Anurag Purohit (anurag2001) 8 years ago | 
| 1 | 
| COMPUTER APPLICATIONS QUESTION
 what will the output be if u put value 4.0 in math.ceil();? |  | 
| asked by Illuminati (xxskullkingxx) 8 years ago | 
| 1 | 
| A block and tackle system of 5 pulleys is used to raise a load of 50 kgf steadily through a height of 20 m. The work done against friction is 2000J.  Calculate the work done by the effort, efficiency of the system and  mechanical advantage. 
Pls help! |  | 
| asked by Anshika J (anmj) 8 years ago | 
| 2 | 
| those who have concise physics tb,can anyone plz explain the 2nd experiment on pg 160...why is amp. of B max when apm. of A is min? |  | 
| asked by Swarupa (abcdefg29) 8 years ago | 
| 2 | 
| Do we need to draw an envelope in hindi letter? |  | 
| asked by Pronoy Neogi (pronoyneogi) 8 years ago | 
| 12 | 
| what is the location of a coronary artery??someone pls give a proper location |  | 
| asked by Maria Deepthi Issac Baby (deepthimol) 8 years ago | 
| 2 |