Question
In the question above, charge q 2 is 2x10 -9C and charge q 1 has mass 0.23g.  The separation r is 2.5cm, and the angle θ is 15.9 degrees.  Find q 1(magnitude and sign, you don't need to enter a + for positive answers but you will need to enter a - if negative).  Note: the answer for this question is very small and using scientific notation will help.  This system uses E in place of x10 so for example to enter 3x10 -24 type 3E-24 in the answer box.
91
F21
92
Fa = m1g
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91 F21 92 Fa = m1g

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