1.

Assume that earth is a spherical planet of uniform density rho , radius R_emass M_eand acceleration due to gravity g. Then the gravitational constant G can be written as a) (3g)/(4pirhoR_e) b) (gR_e^2)/(M_e) c) (3g)/(4piR_e^2)d) (12g)/(4pirhoR_2)

Answer»

only a & B are TRUE
only b & C are true
only a, b &d are true
only a & d are true

ANSWER :A


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