H.W: In the Boher model of the hydrogen atom an electron moves at 2.19 10'm/s in an orbit of radius 5.29 10" centered on a proton. (a)what is the centripetal force on the electron? (b)what is the number of revolutions made cach second?

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Chapter1: Chemical Foundations
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H.W: In the Boher model of the hydrogen atom an electron moves at
2.19 10'm/s in an orbit of radius 5.29*10" centered on a proton. (a)what is
the centripetal force on the electron? (b)what is the number of revolutions
made cach second?
Ans, (a)9.06 10"m/s (b6.58 1015 1/s
H.W: A ball is thrown with an initial speed voat an angle 6 below the
horizontal from rooftop 44m above the ground. It lands 2sec later at a point
32m from the base of the building. Find v, and 0
Ans. 0 = -37.32v, = 20. 1m/s
Transcribed Image Text:H.W: In the Boher model of the hydrogen atom an electron moves at 2.19 10'm/s in an orbit of radius 5.29*10" centered on a proton. (a)what is the centripetal force on the electron? (b)what is the number of revolutions made cach second? Ans, (a)9.06 10"m/s (b6.58 1015 1/s H.W: A ball is thrown with an initial speed voat an angle 6 below the horizontal from rooftop 44m above the ground. It lands 2sec later at a point 32m from the base of the building. Find v, and 0 Ans. 0 = -37.32v, = 20. 1m/s
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