A60-kg man stands on a bathroom scale inside an elevator. The scale measures in units of newtons. (a) The elevator accelerates upward from rest at a...

A 60-kg man stands on a bathroom scale inside an elevator. The scale measures in units of newtons.

(a)

The elevator accelerates upward from rest at a rate of 1.30 m/s2 for 1.50 s. What does the scale read during this 1.50 s interval? 

 N 

(b)

The elevator continues upward at constant velocity for 8.50 s. What does the scale read now? 

 N 

(c)

While still moving upward, the elevator's speed decreases at a rate of 0.600 m/s2 for 3.00 s. What is the scale reading during this time? 

 N