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A 50 kg woman gets on an elevator at the ground floor [0th floor] of a skyscraper and pushes a button. The elevator accelerates upwards at 3 m/s² for 2s, then maintains a constant velocity for 2s, and then decelerates at 2 m/s? until it stops at her desired floor. 2. A) If the skyscraper's floors are each 3 meters, what button did she push? B) During the upwards acceleration, does the normal force (from the floor of the elevator) or the force of gravity do more work? By how much? ansaib innosnod pe borcuna co C) During the constant velocity part of the ride does the normal force or the force of gravity do more ino bas 21mun work? By how much?

A 50 kg woman gets on an elevator at the ground floor [0th floor] of a skyscraper and pushes a button. The elevator accelerates upwards at 3 m/s² for 2s, then maintains a constant velocity for 2s, and then decelerates at 2 m/s? until it stops at her desired floor. 2. A) If the skyscraper's floors are each 3 meters, what button did she push? B) During the upwards acceleration, does the normal force (from the floor of the elevator) or the force of gravity do more work? By how much? ansaib innosnod pe borcuna co C) During the constant velocity part of the ride does the normal force or the force of gravity do more ino bas 21mun work? By how much?

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2. A 50 kg woman gets on an elevator at the ground floor [0th floor] of a skyscraper and pushes a button. The elevator accelerates upwards at 3 m/s² for 2s, then maintains a constant velocity for 2s, and then decelerates at 2 m/s? until it stops at her desired floor. A) If the skyscraper's floors are each 3 meters, what button did she push? B) During the upwards acceleration, does the normal force (from the floor of the elevator) or the force of gravity do more work? By how much?sib imosnod ps borcuns GUCLEA C) During the constant velocity part of the ride does the normal force or the force of gravity do more work? By how much? D) During the deceleration part does the normal force or the force of gravity do more work? By how ad vd DE nouont ovad 2oobalost o o2oq dim 0 = lonoinbaoo laitini ome o diW (a E) For the total elevator ride, which force does more work? Could you have known this without nioq aids of inioq legini sl mmoil onob noironl much? doing any calculation?
Transcribed Image Text:2. A 50 kg woman gets on an elevator at the ground floor [0th floor] of a skyscraper and pushes a button. The elevator accelerates upwards at 3 m/s² for 2s, then maintains a constant velocity for 2s, and then decelerates at 2 m/s? until it stops at her desired floor. A) If the skyscraper's floors are each 3 meters, what button did she push? B) During the upwards acceleration, does the normal force (from the floor of the elevator) or the force of gravity do more work? By how much?sib imosnod ps borcuns GUCLEA C) During the constant velocity part of the ride does the normal force or the force of gravity do more work? By how much? D) During the deceleration part does the normal force or the force of gravity do more work? By how ad vd DE nouont ovad 2oobalost o o2oq dim 0 = lonoinbaoo laitini ome o diW (a E) For the total elevator ride, which force does more work? Could you have known this without nioq aids of inioq legini sl mmoil onob noironl much? doing any calculation?
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