Updated: Question in AIEEE 2012 Question Paper with Solutions

June 19, 2012

A question in AIEEE 2012 Question Paper with Solutions has been updated:

The mass of spaceship is 1000 kg. It is to be launched from the earth’s surface out into free space. The value of ‘g’ and ‘R’ (radius of earth) are 10 m/s^2 and 6400 km respectively. The required energy for this work will be :

$6.4\ X\ 10^{10}\ joules$
$6.4\ X\ 10^{11}\ joules$
$6.4\ X\ 10^9\ joules$
$6.4\ X\ 10^8\ joules$