Q.26 The angular speed of second needle in a mechanical watch is
A) rad/s
30 explanation
C) 2n rad /s
T
B) n rad / s
D)
60
-rad/s
Explanation
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0
Answer:
Explanation:
It is known that ω=
T
2π
For watch T=60s
ω=
T
2π
=
60
2π
=
30
π
rad/s
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