Physics, 28.05.2021 22:20 makennaskye8052
11 An alternator provides 20 A of peak current at 100 V peak AC to a resistive electric heater. How much heating power is delivered to the load? O A. 20 W O B.5 W O C. 1000 W O D. 500 W Mark for review (Will be highlighted on the review page) << Previous Question Next Question >> Search O
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Physics, 21.06.2019 13:40
The de broglie relation λ=h/p can be rewritten in terms of the wave number k as p=kℏ. recall that wave number is defined by k=2π/λ. using the fact that λ=v/f, find the wave numbers k1 and k2 corresponding to frequencies f1 and f2. express your answer as two expressions
Answers: 2
Physics, 22.06.2019 02:30
Power can be defined as a. the distance over which work was done. b. how much work can be done in a given time. c. all the work in an given area. d. the energy required to do work.
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Physics, 22.06.2019 10:00
Asap and show ! a 14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.
Answers: 2
11 An alternator provides 20 A of peak current at 100 V peak AC to a resistive electric heater. How...
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