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(d)
Fig. 1.2 shows a planet X of diameter 2.30 × 103 m, with a gravitational
field strength of 16 Nkg at its surface.
о
Fig. 1.2
Copy Fig. 1.2 and draw lines to show
(i)
1.
2.
gravitational field,
equipotential surfaces of X.
(ii) Determine the density of the planet.
(iii)
-X
Suggest why the calculated value of density of the planet might
not be the actual density of the planet.