A toboggan with two riders has a total mass of 85.0 kg. A third person is pushing with a horizontal force of 42.5 N on a toboggan moving on a horizontal surface at the top of a hill that has a downward angle of 15°. The force of friction on the toboggan is 31.0 N. Which statement describes an accurate free-body diagram to represent the situation?
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Ответ:
8.475 x 10^7 Pa
Explanation:
h = 8648 m, g = 9.8 m/s^2, density of water, d = 1000 kg/m^3
Pressure at a depth is defined as the product of depth of water , acceleration due to gravity and density of water.
P = h x d x g
P = 8648 x 1000 x 9.8 = 8.475 x 10^7 Pa