1.

A lift is moving down with a retardation of\[5\,\,m\,\,{{s}^{-2}}\]. Calculate the percentage change in the weight of the person in the lift\[(g=10\,\,m\,\,{{s}^{-2}})\].

A. \[-25\]                           
B. \[-50\]  
C. \[-75\]                           
D. \[-100\]
Answer» C. \[-75\]                           


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