Question
(a) Calculate Earth's mass given the acceleration due to gravity at the North Pole is $9.830 \textrm{ m/s}^2$ and the radius of the Earth is 6371 km from center to pole. (b) Compare this with the accepted value of $5.979 \times 10^{24} \textrm{ kg}$.

a) $5.979 \times 10^{24} \textrm{ kg}$

b) This is the same as the accepted value to four significant figures.

Solution Video