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     EduGorilla 
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    A stone is dropped from a certain height. After falling for 5 sec, the stone breaks through a pane of glass and instantaneously, loses half of its velocity. If the stone takes one more second to reach the ground, what is the height of the glass above the ground? (Given g = 10 m/s2)

    Options :-

    1. 60 m
    2. 50 m
    3. 30 m
    4. 20 m
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