Physics, 13.07.2019 18:10 kaffolter25
Lightning strikes a lossy dielectric sphere--e 1.2eo, ơ-: 10 (s/m)- of radius 0.1 (m) at time t-0, depositing uniformly in the sphere a total charge 1 (mc). determine, for all t, a) the electric field intensity both inside and outside the sphere, b) the current density in the sphere. p4-4 refer to problem p.4-3. a) calculate the time it takes for the charge density in the sphere to diminish to 1% of its initial value. b) calculate the change in the electrostatic energy stored in the sphere as the charge density diminishes from the initial value to 1% of its value. what happens to this energy? determine the electrostatic energy stored in the space outside the sphere. does this energy change with time?
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Physics, 22.06.2019 12:30
An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.
Answers: 2
Physics, 22.06.2019 14:40
14. a body is projected with velocity vi from a.at the same time another body is projectedvertically upwards from point b withvelocity v2 lies vertically below the highestpoint. both the bodies collide thenv2÷v1is
Answers: 1
Physics, 22.06.2019 21:10
Select the best definition for wavelength. the height of an oscillating electromagnetic wave the rate at which electromagnetic waves oscillate. the distance between two crests of an electromagnetic wave. the oscillations of electric and magnetic fields select the best definition for frequency. the oscillations of electric and magnetic fields. the height of an oscillating electromagnetic wave. the distance between two crests of an electromagnetic wave. the rate at which electromagnetic waves oscillate
Answers: 1
Lightning strikes a lossy dielectric sphere--e 1.2eo, ơ-: 10 (s/m)- of radius 0.1 (m) at time t-0,...
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