Physics, 27.07.2019 14:00 milagrosee12
Which activity performed by a chemist is primarily based on an understanding of physics? a) predicting the properties of an element based on its placement on the periodic table b) writing noble gas configurations for an element c) predicting the boiling point of a liquid, given its pressure d) predicting the acidic or basic nature of a substance based on its ph
Answers: 1
Physics, 22.06.2019 23:40, itzdulce
To place a communications satellite into a geosynchronous orbit at an altitude of 22,240 mi above the surface of the earth, the satellite first is released from a space shuttle , which is in a circular orbit at an altitude of 185 mi, and then is propelled by an upper-stage booster to its final altitude. as the satellite passes through a, the booster's motor is fired to insert the satellite into an elliptic transfer orbit. the booster is again fired at b to insert the satellite into a geosynchronous orbit. knowing that the second firing increases the speed of the satellite by 4810ft/s, determine (a.) the speed of the satellite as it approaches b on the elliptic transfer orbit, (b.) the increase in speed resulting from the first firing at a.
Answers: 2
Which activity performed by a chemist is primarily based on an understanding of physics? a) predict...
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