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kirill115 [55]
3 years ago
7

Non digtial clock has a second hand what is the frequncy of the second hand

Social Studies
1 answer:
lozanna [386]3 years ago
4 0
Second hand = 1 rpm:
1/60 rps; i.e. 1/60 cycle/s; i.e. 1/60 Hz
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