An aeroplane is flyind horizontally at a height of 2 km and with a velocity of 720 km/h. A bag containing ration is to be dropped to the Jawans on the ground then find out
(i) How far from the Jawans should the bag be released so that it falls directly over them
(ii) Time taken by bag to reach the ground
(iii) Velocity of bag when it reach the ground.
(iv) At which angle the bag will reaches the ground.
(v) What path of bag will be appeared to pilot
(vi) What path of bag will be appeared to Jawans.
(vii) Position of aeroplane when bag reaches to the Jawans.`(g=10m//s^(2))`

Answer

(i) 4 km
(ii) 20 sec
(iii)`200sqrt(2)m//s`
(iv)`45^(@)`
(v) straight line
(vi) parabolic
(vii) Just vertical upwards to Jawans at 2 km height