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Two inclined frictionless tracks , one g...

Two inclined frictionless tracks , one gradual and the other steep meet at A from where two stones are allowed to slide down from rest , one on each track as shown in figure . Will the stones reach there with the same speed ? Explain . Given `theta_(1) = 30^(@) , theta_(2) = 60^(@) and h = 10 m ` What are the speeds and times taken by the two stones ?

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