Question

The spaceship S. Lem lands on Solaris (mass 4.04x1024 kg, radius 7.27x107 m, air pressure 1.22x105Pascal)....

The spaceship S. Lem lands on Solaris (mass 4.04x1024 kg, radius 7.27x107 m, air pressure 1.22x105Pascal). The crew discovers pools of a mysterious substance of specific gravity 13.5. Find the pressure at the bottom of one pool of this substance, 90.9 m deep, in Pascals. Express your answer in scientific notation.

Homework Answers

Answer #1

Gravitational constant = G = 6.67 x 10-11 N.m2/kg2

Mass of the planet Solaris = M = 4.04 x 1024 kg

Radius of the planet Solaris = R = 7.27 x 107 m

Gravitational acceleration on the surface of the planet Solaris = g

g = 0.051 m/s2

Air pressure on Solaris = P0 = 1.22 x 105 Pa

Density of water = 0 = 1000 kg/m3

Specific gravity of the mysterious substance = s = 13.5

Density of the mysterious substance =

= 13500 kg/m3

Depth of the pool = H = 90.9 m

Pressure at the bottom of the pool = P

P = 1.846 x 105 Pa

Pressure at the bottom of the pool = 1.846 x 105 Pa

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