Abattery with emf is connected in series with an inductance l and a resistance r. assuming the current has reached steady state when it is at 99% of its maximum value, how long does it take to reach steady state, assuming the initial current is zero? (use any variable or symbol stated above as necessary. to represent e m f, use e.)
Answers: 3
Physics, 21.06.2019 19:40
Ogleā2013āblgā0723 is an exoplanet that is similar to earth in size and proximity to its star. this exoplanet has mass m=4.18Ć1024kg and radius r=5.66Ć106m. an astronaut whose weight on earth is w=735n lands on the planet. a. calculate m, the mass of the astronaut. b. calculate gp? , the acceleration due to gravity on the surface of ogleā2013āblgā0723. c. calculate wp? , the weight of the astronaut on the surface of ogleā2013āblgā0723. d. calculate v, the minimum velocity required to put an object into orbit above ogleā2013āblgā0723. e. calculate t, the time required to complete an orbit around ogleā2013āblgā0723.
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Physics, 22.06.2019 12:30
Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.
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Physics, 22.06.2019 15:30
To understand the electric potential and electric field of a point charge in three dimensions consider a positive point charge q, located at the origin of three-dimensional space. throughout this problem, use k in place of 14? ? 0. part adue to symmetry, the electric field of a point charge at the origin must point from the origin.answer in one word.part bfind e(r), the magnitude of the electric field at distance r from the point charge q.express your answer in terms of r, k, and q. part cfind v(r), the electric potential at distance rfrom the point charge q.express your answer in terms of r, k, and q part dwhich of the following is the correct relationship between the magnitude of a radial electric field and its associated electric potential ? more than one answer may be correct for the particular case of a point charge at the origin, but you should choose the correct general relationship. a)e(r)=dv(r)drb)e(r)=v(r)rc)e(r)=? dv(r)drd)e(r)=? v(r)r
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Physics, 22.06.2019 17:40
Scientists follow specific processes in order to determine valid explanations and conclusions from observations. david observed strange lights in the sky above his home outside of roswell, new mexico. the only explanation that makes sense to him is that there are ufos in the area. what should david do next to verify his explanation?
Answers: 1
Abattery with emf is connected in series with an inductance l and a resistance r. assuming the curre...
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