The fluid to which Bernoulli's equation is applied is based on what being conserved for the fluid?
a. its momentum b. its potential energy
c. its kinetic energy d. its total mechanical energy
d
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Successive bright fringes in an interference pattern result from
A) equal-length distances from the slits. B) distance from the slits successively increasing one wavelength at a time. C) destructive interference. D) none of the above
What type of software is shown in the figure above?
A. photo sharing B. image-editing C. illustration D. digital photography
What is the mean free path for the molecules in an ideal gas when the pressure is 100 kPa and the temperature is 300 K given
that the collision cross-section for the molecules of that gas is 2.0 × 10-20 m2? Boltzmann's constant is k = 1.38 × 10-23 J/K. A) 1.1 × 10-6 m B) 2.1 × 10-6 m C) 1.7 × 10-6 m D) 5.3 × 10-6 m E) 1.5 × 10-6 m
A comet that has an extremely elliptical orbit most likely came from
A) the asteroid belt. B) the Kuiper belt. C) the Oort cloud. D) the Trojan asteroids. E) outside the solar system.