5. Hummingbirds can pick up static charge as they fly either from the air or from interactions with plants. A possible value is +250 pC. a. Given this charge, did the bird gain positive charge or lose negative charge? Explain. b. If we model the hummingbird as a sphere with the above net charge attained from the air with a radius of 2.9 cm, what is the electric potential or "voltage" at the bird and 5 cm away from the bird? c. If we model the bird (charged through interactions with plants) as one side of a capacitor with the earth as the other side with the opposite charge, and the capacitance is 1.3 pF, what is the potential difference between the bird and the earth? (parts band c are independent questions.)

5. Hummingbirds can pick up static charge as they fly either from the air or from interactions with plants. A possible value is +250 pC. a. Given this charge, did the bird gain positive charge or lose negative charge? Explain. b. If we model the hummingbird as a sphere with the above net charge attained from the air with a radius of 2.9 cm, what is the electric potential or "voltage" at the bird and 5 cm away from the bird? c. If we model the bird (charged through interactions with plants) as one side of a capacitor with the earth as the other side with the opposite charge, and the capacitance is 1.3 pF, what is the potential difference between the bird and the earth? (parts band c are independent questions.)

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

5. Hummingbirds can pick up static charge as they fly either from the air or from interactions with plants. A
possible value is +250 pC.
a. Given this charge, did the bird gain positive charge or lose negative charge? Explain.
b. If we model the hummingbird as a sphere with the above net charge attained from the air with a
radius of 2.9 cm, what is the electric potential or "voltage" at the bird and 5 cm away from the bird?
c. If we model the bird (charged through interactions with plants) as one side of a capacitor with the
earth as the other side with the opposite charge, and the capacitance is 1.3 pF, what is the potential
difference between the bird and the earth? (parts band c are independent questions.)

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