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एक से अधिक उत्तर प्रकार के प्रश्न

A uniform disc of mass M and radius R is given velocity v0 and angular velocity ω0=2v0R at t = 0 on rough horizontal surface as shown. It starts pure rolling with velocity v at t = t0, then

खुरदरे क्षैतिज पृष्ठ पर स्थित M द्रव्यमान व R त्रिज्या की एक समरूप डिस्क को t = 0 पर दर्शाए अनुसार वेग v0 तथा कोणीय वेग ω0=2v0R प्रदान किए जाते हैं। यह t = t0 पर वेग v से शुद्ध लोटनिक गति प्रारम्भ करती है, तब


A
v=3v02
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B
v=4v03
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C
t0=v02μg
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D
t0=v03μg
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Solution

The correct option is D t0=v03μg
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