A 80-kg man stands on a bathroom scale inside an elevator.
(a) The elevator accelerates upward from rest at a rate of 1.40 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 0.700 m/s2 for 3.00 s. What is the scale reading during this time?
N
2 answers
10
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