A container is filled with water and the pressure at the bottom of the container is P. Then the container is emptied halfway and topped off with oil of density 0.8 × 10^3 kg/m3, which floats on top of the water. What is the pressure at the bottom of the container now?
a. a pressure < P
b. the same pressure P
c. a pressure > P
d. This is unable to be determined with the information given.
e. a pressure < 0.5P
a
You might also like to view...
Elementary Particles: Elementary particles that experience the weak nuclear force but not the strong nuclear force are called
A. leptons. B. hadrons. C. mesons. D. bosons. E. baryons.
The electrical conductivity of a(n) _________semiconductor is the same as the electrical conductivity of a pure semiconductor.
Fill in the blank(s) with the appropriate word(s).
Most terrestrial planets have portions of their surface that appear to be significantly older than other portions of their surface. What evidence suggests that the surface of Venus is all of the same age?
a. Photos taken by probes that landed on Venus showed that all of the rocks were of the same age. b. The craters on Venus are randomly distributed in size and number across the surface. c. The volcanoes on Venus are not found in isolated groups, but are scattered around the planet. d. a and b e. all of the above
Which of the following is a major reason why it so difficult to obtain direct images of extrasolar planets?
A) The light of the planets is overwhelmed by the light from their star. B) Extrasolar planets give off light at different wavelengths than planets in our solar system. C) No telescope is powerful enough to detect the faint light from a distant planet. D) Telescopes are too busy with other projects.