Three point charges are arranged in a straight line. The point charges are qı = -10,0 PC, 92 = 20.0 C, and q3 = -10.0 PC. Charge q, is 20.0 cm from charge 42, and charge 43 is 10.0 cm from charge 92. Determine the magnitude of the net electric force on charge 91
9
9,
20 cm
10 cm
Free-body diagram
9,
FX
O ㅇ
+x
The magnitude of the net electric force on charge qi is

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How is it possible that phylogenies based on sequences from nuclear genomes and organellar genomes (i.e., chloroplasts and mitochondria) from the same group of species yield phylogenetic trees with different branching orders?   answer :   the genome of the endosymbiont is more closely related to members of the group in which it originally evolved, while the nuclear genome of the engulfing organism has its own evolutionary trajectory.