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Distance and Displacement

A projectile ...

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A projectile is thrown up with a velocity of 8i + 6j m/s. The radius of curvature of projectile at the point of projection is (take g = 10m/s^2) 1. 10 m 2. 12.5 m 3. 15 m 4. 20.5 m

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एक प्रक्षेप्य को धरातल से 20 m/s के वेग से इस प्रकार प्रक्षेपित किया जाता है कि यह 15 m की अधिकतम ऊँचाई पर पहुँच जाए। इसकी गति के उच्चतम बिन्दु पर वक्रता त्रिज्या है [g = 10 m/s²]

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