Physics > 2003 > 9
JAMB UTME
The stylus of a phonograph record exerts a force of 7.7 x 10-2N on a groove of radius 10-5m. Compute the pressure exerted by the
stylus on the groove.
stylus on the groove.
A.
2.45 x 108Nm-2
B.
3.45 x 108Nm-2
C.
4.90 x 108Nm-2
D.
2.42 x 109Nm-2
Answer: A
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