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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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Knowledge Check

  • 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 . Which of the following statement is correct ?

    A
    Both the stones reach the bottom at the same time but not with the same speed
    B
    Both the stones reach the bottom with the same speed and stone I reaches the bottom earlier than stone II
    C
    Both the stones reach the bottom with the same apeed and stone II reaches the bottom earlier than stone I
    D
    Both the stones reach the bottom at different times and with different speeds .

  • Two identical eggs, one raw and other boiled, area rotated with the same angular speed. Which one will come to rest earlier?

    A
    can.t say anything
    B
    both eggs will come to rest simultaneously
    C
    boiled egg
    D
    raw egg

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