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Home Q & A Board Science-Related Homework Help High School Level Science
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astuckey astuckey
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5 years ago
A small Styrofoam ball has a 2.26 nC charge (2.26×10-9 C). Find the electric field strength 5.00 cm (0.0500 m) from the ball.
Show your work (formula, substitution, and answer (rounded correctly and with the appropriate unit)) .
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Educator
5 years ago Edited: 5 years ago, bio_man
\(E=\frac{kq}{r^2}\)

Where \(q\) is the charge.

\(E=\frac{9\times 10^9\cdot \left(2.26\times 10^{-9}\right)}{0.0500^2}\)

You should get: 8125 V/m or 8130 V/m to 3 significant digits.
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