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13. A 2 kg ball is thrown from 50 m building. What is the velocity of the ball when it falls 60% of the height?
8) A thin hoop with a moment of inertia 1/2mr^2 is rolling without slipping from The inclined plane whose height is h. Expres
5. A 5kg ball traveling East at 15 m/s hit a 10 kg ball moving at 5m/s towards West. After collision the 5 kg ball bounces ba
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Answer #1

50m=h 609. 20.6h 1 XB | 40% = 0.45 Applying conservation of energy at point A & B ngh + 1 month = xgh-0.6h) +1 & reg? gh = gh

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