## Question

###### Consider a model of a hydrogen atom in which an electron is in a circular orbit of radius $r = 5.29 \times \space 10^{-11}$ m around a stationary proton. What is the speed of the electron in its orbit?

Consider a model of a hydrogen atom in which an electron is in a circular orbit of radius $r = 5.29 \times \space 10^{-11}$ m around a stationary proton. What is the speed of the electron in its orbit?

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