Physics, 14.02.2020 03:02 devbar3416

A lightning bolt strikes one end of a steel lightning rod, producing a 14500-A current burst that lasts for 65 . The rod is 2.5 long and 2.1 in diameter, and its other end is connected to the ground by 38 of 8.1-mm-diameter copper wire.
A. Find the potential difference between the top of the steel rod and the lower end of the copper wire during the current burst.
(answer in volts, V)
B. Find the total energy deposited in the rod and wire by the current burst.
(answer in joules, J)
Either or

Answers: 2

Show answers

Another question on Physics

Physics, 22.06.2019 04:50

Unpolarized light whose intensity is 1.19 w/ is incident on a polarizer. (a) what is the intensity of the light leaving the polarizer? (b) if the analyzer is set at an angle of = 41.0∘ with respect to the polarizer, what is the intensity of the light that reaches the photocell?

Answers: 1

Answer

Physics, 22.06.2019 09:00

When a bicycle coasts uphill, it moves slower and slower as it climbs. why? a. its kinetic energy is transforming into heat energy. b. its potential energy is transforming into kinetic energy. c. its kinetic energy is transforming into potential energy and heat energy. d. its potential energy is transforming into kinetic energy and heat energy.

Answers: 1

Answer

Physics, 22.06.2019 09:30

Which of these is not a possible type of energy transformation? a. electrical energy into light energy b. sound energy into nuclear energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy

Answers: 1

Answer

Physics, 22.06.2019 09:30

Which are advantages of renewable resources? check all that apply. renewable energy supplies are completely reliable everywhere. some renewable resources will never be used up. little or no waste is produced by renewable resource plants. electricity can be generated in large quantities. many renewable energy facilities have lower operating costs.

Answers: 1

Answer

You know the right answer?

A lightning bolt strikes one end of a steel lightning rod, producing a 14500-A current burst that la...

Questions