read if. Part b) has the elevator accelerating up at 1.5 m/s?, while part c) has it accelerating down at 1.5 m/s?. Which of the following best describes the difference between part b) and part c)?

College Physics
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Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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This is one of three questions from #18:
18. A scale in the elevator's floor measures the weight of the passengers, and it has the correct value when the elevator is not moving. The combined mass of the passengers is 572 kg. What will the scale
read if.
Part b) has the elevator accelerating up at 1.5 m/s?, while part c) has it accelerating down at 1.5 m/s. Which of the following best describes the difference between part b) and part c)?
Your answer:
O One acceleration is positive and the other is negative because they are in opposite directions.
O The upward acceleration is 1.5 m/s?, but the downward acceleration is actually -9.8 m/s?.
O The upward acceleration is 1.5 m/s?, but the downward acceleration means a = 0.
O The directions makes no difference, so the math will be exactly the same for b) and c)
Transcribed Image Text:This is one of three questions from #18: 18. A scale in the elevator's floor measures the weight of the passengers, and it has the correct value when the elevator is not moving. The combined mass of the passengers is 572 kg. What will the scale read if. Part b) has the elevator accelerating up at 1.5 m/s?, while part c) has it accelerating down at 1.5 m/s. Which of the following best describes the difference between part b) and part c)? Your answer: O One acceleration is positive and the other is negative because they are in opposite directions. O The upward acceleration is 1.5 m/s?, but the downward acceleration is actually -9.8 m/s?. O The upward acceleration is 1.5 m/s?, but the downward acceleration means a = 0. O The directions makes no difference, so the math will be exactly the same for b) and c)
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