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[" Ex.3A block of metal weighing "2kg" i...

[" Ex.3A block of metal weighing "2kg" is resting on a frictionless plane.It is struck by a jet releas "],[" at a rate of "1kg/s" and at a speed of "5m/s" .The initial acceleration of the block will be "],[[" (A) "2.5m/s^(2)," (B) "5m/s^(2)," (C) "0.4m/s^(2)," (D) "0]]

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