Seven identical charges q=+4uC are linked by elastic threads. After leaving the charges free, the lengths of the threads are l=30cm. Find the tension in each string. (k=9.10° N•m²/C², e=-1,602.10-¹⁹ C) a) 4,22 N b) 4,32 N 9 Fig.74 q c) 4,42 N d) 4,52 N e) 4,62 N
Seven identical charges q=+4uC are linked by elastic threads. After leaving the charges free, the lengths of the threads are l=30cm. Find the tension in each string. (k=9.10° N•m²/C², e=-1,602.10-¹⁹ C) a) 4,22 N b) 4,32 N 9 Fig.74 q c) 4,42 N d) 4,52 N e) 4,62 N
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Transcribed Image Text:Seven identical charges q=+4uC are linked by
elastic threads. After leaving the charges free,
the lengths of the threads are l=30cm. Find the
tension in each string.
(k=9.10° N•m²/C², e=-1,602.10-¹⁹ C)
a) 4,22 N
b) 4,32 N
9
Fig.74
q
c) 4,42 N
d) 4,52 N
e) 4,62 N
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