Q8 I An 80-kg man rides in an elevator from the ground to an upper floor. The elevator goes from rest to 10 m/s in 5 seconds, and then continues at the same constant speed for 10 seconds, before slowing down to a stop in 5 seconds. How much push from the elevator floor does the man feel during (a) the initial acceleration, (b) the constant-speed phase, and (c) the final deceleration? d) What if the elevator is coming down from an upper floor?
Q8 I An 80-kg man rides in an elevator from the ground to an upper floor. The elevator goes from rest to 10 m/s in 5 seconds, and then continues at the same constant speed for 10 seconds, before slowing down to a stop in 5 seconds. How much push from the elevator floor does the man feel during (a) the initial acceleration, (b) the constant-speed phase, and (c) the final deceleration? d) What if the elevator is coming down from an upper floor?
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Transcribed Image Text:Q8 I
An 80-kg man rides in an elevator from the ground to an upper
floor. The elevator goes from rest to 10 m/s in 5 seconds, and
then continues at the same constant speed for 10 seconds, before
slowing down to a stop in 5 seconds. How much push from the
elevator floor does the man feel during (a) the initial acceleration,
(b) the constant-speed phase, and (c) the final deceleration? d)
What if the elevator is coming down from an upper floor?
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