model of the structure of the hydrogen atom ng in a circular path around it, of radius 5.3 = 67 × 10-27 kg and 9.1 × 10-³¹ kg, respectivel-

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Chapter19: Electric Forces And Electric Fields
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26.
One model of the structure of the hydrogen atom consists of a stationary proton with an electron
moving in a circular path around it, of radius 5.3 × 10-¹¹ m. The masses of a proton and an electron
are 1.67 × 10-27 kg and 9.1 × 10-³¹ kg, respectively.
(a) What is the electrostatic force between the electron and the proton?
(b) What is the gravitational force between them?
(c) Which force is mainly responsible for the electron's centripetal motion?
(d) Calculate the velocity and period of the electron's orbit around the proton.
Transcribed Image Text:26. One model of the structure of the hydrogen atom consists of a stationary proton with an electron moving in a circular path around it, of radius 5.3 × 10-¹¹ m. The masses of a proton and an electron are 1.67 × 10-27 kg and 9.1 × 10-³¹ kg, respectively. (a) What is the electrostatic force between the electron and the proton? (b) What is the gravitational force between them? (c) Which force is mainly responsible for the electron's centripetal motion? (d) Calculate the velocity and period of the electron's orbit around the proton.
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