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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. \[-75\] | |