In a follow-up experiment, a charge of +40 pC was placed
Chapter 21, Problem 21.101(choose chapter or problem)
In a follow-up experiment, a charge of +40 pC was placed at the center of an artificial flower at the end of a 30-cm-long stem. Bees were observed to approach no closer than 15 cm from the center of this flower before they flew away. This observation suggests that the smallest external electric field to which bees may be sensitive is closest to which of these values? (a) 2.4 N/C; \(\text{ (b) }16\mathrm{\ N}/\mathrm{C}\text{; (c) }2.7\times10^{-10}\mathrm{\ N}/\mathrm{C}\text{; (d) }4.8\times10^{-10}\mathrm{\ N}/\mathrm{C}\text{. }\)
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