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[" (c) "100m" is downward (d) "300m" is ...

[" (c) "100m" is downward (d) "300m" is upward "],[" At high altitudo,a body explaodes upward "],[" two equal fragments with one troagment "],[" receiving horizontal vith one froagmont "],[" taken by the volocity velocity of "10m/s" ,Time "],[" to make "90^(@)" is "(9=10m/s^(2))],[(a)0.5s],[" (c) "2s],[" A bullet of mass "20g" and moving with "600mls],[" collides with a blogh moving with "600mls" ."]

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