physics problem help?

0 ⤊

physics problem help?

the emf produced by an ac genrator is given by e=wNBA sin wt. In the SI system what is the value of w for a frequency of 60 Hz?

a) 60 Hz
b) 120 rad/s
c) 2 pi rad/s
d) 377 rad/s
e) 577 Hz

please help and explain this to me guys!! thanks!!

2007-10-12 14:12:13 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Physics

2 answers

w is 2πf, so for f = 60Hz, w = 120π = 377 rad/sec

2007-10-12 14:23:10 · answer #1 · answered by gp4rts 7 · 0⤊ 0⤋

T = 1 / f = (2 x Ï) / Ï
Ï = 2 x Ï x f = (2 x 22 x 60) / 7 = 377 rad/sec
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2007-10-12 23:57:47 · answer #2 · answered by Joymash 6 · 0⤊ 0⤋