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Henry, whose mass is 95 kg, stands on a bathroom scale in
Chapter 6, Problem 6.79(choose chapter or problem)
QUESTION:
Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. The scale reads 830 N for the first 3.0 s after the elevator starts moving, then 930 N for the next 3.0 s. What is the elevators velocity 6.0 s after starting?
Questions & Answers
QUESTION:
Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. The scale reads 830 N for the first 3.0 s after the elevator starts moving, then 930 N for the next 3.0 s. What is the elevators velocity 6.0 s after starting?
ANSWER:Step 1 of 2
Given:
From t = 0s to t = 3s,
Spring force:
Mass =
Weight of the person:
It is clear that the spring force on the person is less than the weight, hence the elevator is moving downwards.
