Physics, 10.11.2019 03:31 chunkymonkey090
Calculate the net force on your 0.50-cm2 eardrum that air exerts on the inside and the outside after you drive from denver, colorado (elevation 1609 m) to the top of pikes peak (elevation 4301 m). assume that the air pressure inside and out are balanced when you leave denver, the pressure inside the eardrum does not change, and that the density of the air is constant and is equal to 0.80 kg/m3.
Answers: 2
Physics, 21.06.2019 20:20
Suppose that a comet that was seen in 563 a.d. by chinese astronomers was spotted again in year 1951. assume the time between observations is the period of the comet and take its eccentricity as 0.986. what are (a) the semimajor axis of the comet's orbit and (b) its greatest distance from the sun?
Answers: 1
Physics, 21.06.2019 22:40
Consider two metallic rods mounted on insulated supports. one is neutral, the other positively charged. you bring the two rods close to each, but without contact, and briefly ground the the neutral rod by touching it with your hand. show answer correct answer what would be resulting charge (if any) on the initially neutral rod
Answers: 1
Physics, 22.06.2019 07:50
The ratio of lift to drag l/d for a wing or airfoil is an important aerodynamic parameter, indeed, it is a direct measure of the aerodynamic efficiency of the wing. if a wing is pitched through a range of angle of attack, l/d first increases, then goes through a maximum, and then decreases. consider an infinite wing with an naca 2412 airfoil. estimate the maximum value of l/d. assume that the reynolds number is 9x10^6.
Answers: 2
Physics, 22.06.2019 09:30
The necleus of an atom is made up of what subatomic particles?
Answers: 1
Calculate the net force on your 0.50-cm2 eardrum that air exerts on the inside and the outside after...
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