Physics Help!! O/N 2010 P4 Qn 1 (c) (ii)

[gentleman]

can anyone help me in solving it??

 

[zahraahmed]

which variant 41 42 or 43????

 

[gentleman]

Paper 4 variant 41

 

[beacon_of_light]

The calculations you made in the above parts in this particular questions will guide you ...
Uptil the surface of earth, g increases uniformly.... then decreases to zero and then increases ...