Need answers for b and c

A person stands on a scale inside an elevator at rest (see the figure below). The scale reads W = 890 N. W. a (a) What is the person's mass? 90.75 V kg (b) The elevator accelerates upward momentarily at the rate of a = 4 m/s2. What does the scale read then? 22.68 X N (c) The elevator then moves with a steady speed of 6 m/s. What does the scale read now? 378 X N Need Help? Read It Submit