A ball hits wall with speed of 6.0 m/s horizontally and rebounds 4.4m/s horizontally and the time taken is 0.040.find its accelaration. LISTEN SIR/MAM WHEN THE BALL REBOUNDS IT BECOMES -4.4. WHY DID IT BECOME IN MINUS??
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if we take upward positive den downward is negative.........such like dat dis is
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