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A particle is placed at the point A of a frictionless track ABC as shown in figure. It is gently pushed towards right. The speed of the particle when it reaches the point B is: (Take g = 10 m/s 2 ) 1 m A C B 0.5 m

1. s / m 10 2
2. 10 m/s
3. 10 m/s
4. 20 m/s

Correct answer: 10 m/s

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