A physicist of mass $59\mathrm{.}45$ kg is standing in an elevator $($lift$)$ on a set of special bathroom scales calibrated in newtons N$.$ If gravity is $9\mathrm{.}81$ m/s $\mathrm{²},$ calculate the reading on the scales to $2$ d$.$p$.$ when the lift is accelerating upwards with an acceleration of $2\mathrm{.}91$ ms $^-\mathrm{²}$

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To calculate the reading on the scales when the elevator is accelera... View the full answer