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eMac

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## Homework Statement

Measurements show that a honeybee in active flight can acquire an electrostatic charge on the order of 90.9 pC.

a)How many electrons much be transferred to produce this charge?

Ne =5.67*10^8

b) Supposing two bees, both with this charge, are separated by a distance of 14 cm. What is the magnitude of the electrostatic force between the these two bees? (You may treat the bees as point charges.)

FE= 4.0*10^-7 NO

## Homework Equations

FE=k (q1) x (q2)/r2

k=8.99 x 10^9

90.9 pC = 9.09 * 10^-11 C

14 cm = .14 m

## The Attempt at a Solution

I got part a but I cant get part b

I used Couloumb's equation and....

FE = k (9.09*10^-11)^2 / (.14)^2

and I got 4*10^-9 but it doesnt work where am i going wrong on this problem. Any help would be much appreciated. Thanks in advance.