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नीचे दिए गए प्रश्न के लिए अनुच्छेद

A projectile is projected with velocity 30 m/s at an angle of 60º with horizontal. At time t = t0 projectile velocity is perpendicular to its initial velocity. Let speed of projectile at that instant be v, then answer the following question. [g = 10 m/s2]

एक प्रक्षेप्य को क्षैतिज से 60º कोण पर 30 m/s के वेग से प्रक्षेपित किया जाता है। समय t = t0 पर, प्रक्षेप्य का वेग अपने प्रारम्भिक वेग के लम्बवत् है। माना इस क्षण पर प्रक्षेप्य की चाल v है, तब निम्नलिखित प्रश्नों के उत्तर दीजिए। [g = 10 m/s2]

Q. Value of t0 is

प्रश्न - t0 का मान है

A
23s
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B
2 s
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C
3 s
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D
33s
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Solution

The correct option is A 23s

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