Assuming that the outside air pressure is standard, 101.3 kPa, what pressure must one generate inside the mouth in order to drink water through a straw whose opening is 12 cm above the water surface?
A. 94.5 kPa
B. 102.5 kPa
C. 100.1 kPa
D. 89.5 kPa
C. 100.1 kPa
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Consider a situation where you exert a force F on a crate of mass m, moving it at a speed v a distance d across a floor in a time interval t.The quantity Fd is
a. the kinetic energy of the crate. b. the potential energy of the crate. c. the linear momentum of the crate. d. the work you do on the crate. e. the power you supply to the crate.
During an isothermal process, 5.0 J of heat is removed from an ideal gas. What is the work done in the process?
A. zero B. -5.0 J C. +5.0 J D. none of the above
Because of ________, the Moon is moving away from the Earth at about 4 centimeters per century
Fill in the blank(s) with correct word
The bulk modulus of a material, as a meaningful physical property, is applicable to which of the following?
a. only solids b. only liquids c. only gases d. solids, liquids and gases