A wire of resistance 5.0 Ω is connected to a battery whose emf ε is 4.0 V and whose internal resistance is 0.61 Ω. In 2.9 min, how much energy is (a) transferred from chemical to electrical form in the battery, (b) dissipated as thermal energy in the wire, and (c) dissipated as thermal energy in the battery?
Answers: 3
Physics, 21.06.2019 15:50
Aneutron and a proton combine to form a nucleus. why does the mass of the nucleus differ from the sum of the masses of the individual nucleons?
Answers: 1
Physics, 22.06.2019 07:20
Samir watches a 100-minute movie on his spaceship. maria's spaceshipe flies in the same direction as samir's spaceship but she observes his move to last 125 minutes and his spaceship to be 40 m long. how long does samir observe his own spaceship to be? according to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does marias voyage take according to samir?
Answers: 3
Physics, 22.06.2019 12:30
Cathy is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling. cathy and her bicycle have a mass of 75 kg. assuming her bicycle is 100% efficient, what would her speed have to be?
Answers: 3
Physics, 22.06.2019 14:50
Nitrogen (n2) undergoes an internally reversible process from 6 bar, 247°c during which pν1.2 = constant. the initial volume is 0.1 m3 and the work for the process is 121.14 kj. assuming ideal gas behavior, and neglecting kinetic and potential energy effects, determine heat transfer, in kj, and the entropy change, in kj/s. show the process on a t-s diagram.
Answers: 2
A wire of resistance 5.0 Ω is connected to a battery whose emf ε is 4.0 V and whose internal resista...
History, 02.11.2020 21:50
History, 02.11.2020 21:50
English, 02.11.2020 21:50
Mathematics, 02.11.2020 21:50
Chemistry, 02.11.2020 21:50
Computers and Technology, 02.11.2020 21:50
Spanish, 02.11.2020 21:50
Computers and Technology, 02.11.2020 21:50
Mathematics, 02.11.2020 21:50
Computers and Technology, 02.11.2020 21:50