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[" 25.A ball falls freely from a height ...

[" 25.A ball falls freely from a height of "45m" .When the ball is "],[" at a height of "25m" it explodes into two equal pieces.One "],[" of them moves horizontally with a speed of "10ms^(-1)." The "],[" distance between the two pieces on the ground is "],[[" (a) "20m," (b) "30m],[" (c) "40m," (d) "60m]]

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