Physics, 30.06.2019 05:00 sevindjdna
A+1.0 μc point charge is moved from point a to b in the uniform electric field as shown. which one of the following statements is necessarily true concerning the potential energy of the point charge? a) the potential energy increases by 6.0 × 10–6j. b) the potential energy decreases by 6.0 × 10–6 j. c) the potential energy decreases by 9.0 × 10–6 j. d) the potential energy increases by 10.8 × 10–6 j. e) the potential energy decreases by 10.8 × 10–6 j.
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Physics, 22.06.2019 13:10
Which additional product balances the reaction h2so4 + 2naoh → na2so4 + 2h2o 2oh h2o2 h3o
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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
Physics, 22.06.2019 15:50
An object with initial temperature 130 ∘ f is submerged in large tank of water whose temperature is 50 ∘ f . find a formula for f ( t ) , the temperature of the object after t minutes, if the cooling constant is k = − 0.2 . remember newton's law of cooling (the rate of change of temperature with respect to time is equal to k times the difference between the temperature of the object and the surrounding temperature) ! : )
Answers: 1
A+1.0 μc point charge is moved from point a to b in the uniform electric field as shown. which one o...
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