Gujarati
3-2.Motion in Plane
easy

यदि किसी विरामघड़ी की सैकण्ड वाली सुई की लम्बाई $3 \,cm$ है, तब सुई के सिरे का कोणीय वेग तथा रेखीय वेग होगा

A$0.2047 \,rad/sec., 0.0314 \,m/sec$
B$0.2547 \,rad/sec., 0.314\, m/sec$
C$0.1472 \,rad/sec., 0.06314 \,m/sec$
D$0.1047\, rad/sec., 0.00314\, m/sec$

Solution

$\omega  = \frac{{2\pi }}{T} = \frac{{2\pi }}{{60}} = 0.1047\;rad/s$
 तथा $v = \omega \,r = 0.1047 \times 3 \times {10^{ – 2}} = 0.00314\;m/s$
Standard 11
Physics

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