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A planet of volume V and mass m has gravitational acceleration g on its surface. If its expands to 8 times its original volume, what will be the acceleration due to gravity? |
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(a) |
4g |
(b) |
2g |
(c) |
g/4 |
(d) |
g/8 |
|
A planet of volume V and mass m has gravitational acceleration g on its surface. If its expands to 8 times its original volume, what will be the acceleration due to gravity? |
|||||||
|
(a) |
4g |
(b) |
2g |
(c) |
g/4 |
(d) |
g/8 |