Pls help me figure out

  • Thread starter hotstuff
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  • #1
hotstuff
10
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Measurements show that a honeybee in active flight can acquire an electrostatic charge as great as 93.0 pC.
Q1 is How many electrons must be transferred to produce this charge?
my proposed ans using the formula f=k e
after rearranging equation e= 93pC * ./8.99 *10^9 = ?(the ans)
but i do not know what pC unit is and not sure if doing right. pls point me in the right direction. thanks
 
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Answers and Replies

  • #2
geosonel
88
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hotstuff said:
Measurements show that a honeybee in active flight can acquire an electrostatic charge as great as 93.0 pC.
Q1 is How many electrons must be transferred to produce this charge?
my proposed ans using the formula f=k e
after rearranging equation e= 93pC * ./8.99 *10^9 = ?(the ans)
but i do not know what pC unit is and not sure if doing right. pls point me in the right direction. thanks
[tex] \mbox{93 picoCoulombs} \ = \ 93 \, \times \, 10^{-12} \ Coulombs [/tex]
[tex] \mbox{charge on 1 electron} \ = \ 1.602 \, \times \, 10^{-19} \ Coulombs [/tex]
[tex] \mbox{number electrons transferred} \ = \ \frac{93 \, \times \, 10^{-12} \ Coulombs}{1.602 \, \times \, 10^{-19} \ Coulombs} [/tex]
 

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