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3-2.Motion in Plane
normal

ઘડિયાળમાં મિનિટ કાંટો અને કલાક કાંટાનો કોણીય ઝડપનો ગુણોત્તર કેટલો થાય?

A

$12$

B

$6$

C

$24$

D

$એકપણ \,$નહી

Solution

${\omega _{Minute\,hand}} = \frac{{2\pi }}{{60}}\frac{{rad}}{{\min }}$

${\omega _{Earth}} = \frac{{2\pi }}{{24}}\frac{{Rad}}{{hr}} = \frac{{2\pi }}{{24 \times 60}}\frac{{rad}}{{\min }}$

$\therefore \frac{{{\omega _{Minute\,hand}}}}{{{\omega _{Earth}}}} = 24:1$

Standard 11
Physics

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