The Greenland ice sheet can be one km thick.Estimate the pressure underneath the ice.(The density of ice is 918 kg/m³. ) A)9.0 × 10⁵ Pa (9 atm) B)2.5 × 10⁶ Pa (25 atm) C)4.5 × 10⁶ Pa (45 atm) D)9.0 × 10⁶ Pa (90 atm)

Question

Quizplus · Accepted Answer

The pressure underneath the ice can be calculated using the formula P = ρgh, where ρ is the density of ice, g is the acceleration due to gravity (9.8 m/s^2), and h is the height of the ice sheet. Converting 1 km to meters, we have h = 1000 m. Plugging in the values, we get P = (918 kg/m^3)(9.8 m/s^2)(1000 m) = 9.0 × 10^6 Pa or 90 atm. Thus, the best choice is D.

The Greenland Ice Sheet Can Be One Km Thick