The mean value of gravitational acceleration at the surface of earth is __:

First Published: December 7, 2014 | Last Updated:December 7, 2014

The mean value of gravitational acceleration at the surface of earth is __:
[A]0.98 m/s
[B]9.8 m/s
[C]9.8 m/s²
[d]0.98 m/s²

9.8 m/s²