A 3.8 cm -diameter isolated metal sphere carries a net charge of 0.89 µC . Part A What is the potential at the sphere's surface? Express your answer using two significant figures. ? kV Submit Request Answer Part B If a proton were released from rest at the sphere's surface, what would be its speed far from the sphere? Express your answer using two significant figures. ? m/s

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A 3.8 cm -diameter isolated metal sphere carries a net
charge of 0.89 µC .
Part A
What is the potential at the sphere's surface?
Express your answer using two significant figures.
?
kV
Submit
Request Answer
Part B
If a proton were released from rest at the sphere's surface, what would be its speed far from the sphere?
Express your answer using two significant figures.
?
m/s
Transcribed Image Text:A 3.8 cm -diameter isolated metal sphere carries a net charge of 0.89 µC . Part A What is the potential at the sphere's surface? Express your answer using two significant figures. ? kV Submit Request Answer Part B If a proton were released from rest at the sphere's surface, what would be its speed far from the sphere? Express your answer using two significant figures. ? m/s
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