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    				| 1. | 
                                    identical packets are dropped from an aeroplane One above the equator, the other above the north pole both at height 'h'. assuming all the conditions are identical, will there packets take some time to reach surface of the earth. justify your answer | 
                            
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Answer»  No, those packets do not take same time to reach the surface of the earth. Because the value of g (i.e., acceleration due to gravity is) different at poles and equator due to rotation of the earth and is given by g’= g -a>2rsin0 and at poles 0 = 0 whereas at equator 0 = 90°. Since, g is greatest at the poles than at the equator. So, packet dropped above the north pole will reach first at the surface of the earth.  | 
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