Answer:
the air has to be unstable as well as it needs to be moved upwards.
Explanation:
it needs to be moved upwards and also needs to have unstable air.
Answers : part A => vs= square root (Gmp/a). Part B => Energy of satellite = - G(mp) (ms) / 2a.
Answer:
Explanation:
Given
mass of first child 
mass of second child 
Distance between two children is 
Suppose light weight child is placed at a distance of x m from Pivot point
therefore
Torque due to heavy child 
Torque due to small child 
Net Torque about Pivot must be zero
Therefore 





It's used for the intensity of a tornado