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Questions and Answers
Which formula can be used to calculate the mean density of a planet?
Which formula can be used to calculate the mean density of a planet?
- (b) R^2/g (correct)
- (c) g/R
- (d) g^2/R
- (a) R/g
What happens to the value of g at the poles if the Earth stops rotating?
What happens to the value of g at the poles if the Earth stops rotating?
- (c) Remains unchanged (correct)
- (a) Decrease
- (d) Become zero
- (b) Increase
What is the relationship between the change in the value of g at height h above the Earth's surface and the change at depth x below the Earth's surface?
What is the relationship between the change in the value of g at height h above the Earth's surface and the change at depth x below the Earth's surface?
- (a) They are equal (correct)
- (c) The change at depth x is greater
- (d) There is no relationship
- (b) The change at height h is greater
