A spring 1.50 m long with force constant 471 N/m is hung from the ceiling of an elevator, and a block of mass 14.1 kg is attached to the bottom of the spring. (a) By how much is the spring stretched when the block is slowly lowered to its equilibrium point? (Enter the magnitude only.) 0.29 m (b) If the elevator subsequently accelerates upward at 1.84 m/s2, what is the position of the block, taking the equilibrium position found in part (a) as y = 0 and upwards as the positive y-direction. (Indicate the direction with the sign of your answer.) 0.054 X Your response differs from the correct answer by more than 10%. Double check your calculations. m (c) If the elevator cable snaps during the acceleration, describe the subsequent motion of the block relative to the freely falling elevator. What is the amplitude of its motion? 0.35 m
A spring 1.50 m long with force constant 471 N/m is hung from the ceiling of an elevator, and a block of mass 14.1 kg is attached to the bottom of the spring. (a) By how much is the spring stretched when the block is slowly lowered to its equilibrium point? (Enter the magnitude only.) 0.29 m (b) If the elevator subsequently accelerates upward at 1.84 m/s2, what is the position of the block, taking the equilibrium position found in part (a) as y = 0 and upwards as the positive y-direction. (Indicate the direction with the sign of your answer.) 0.054 X Your response differs from the correct answer by more than 10%. Double check your calculations. m (c) If the elevator cable snaps during the acceleration, describe the subsequent motion of the block relative to the freely falling elevator. What is the amplitude of its motion? 0.35 m
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
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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Transcribed Image Text:A spring 1.50 m long with a force constant of 471 N/m is hung from the ceiling of an elevator, and a block of mass 14.1 kg is attached to the bottom of the spring.
**(a)** By how much is the spring stretched when the block is slowly lowered to its equilibrium point? (Enter the magnitude only.)
- Answer: 0.29 m ✔️
**(b)** If the elevator subsequently accelerates upward at 1.84 m/s², what is the position of the block, taking the equilibrium position found in part (a) as y = 0 and upwards as the positive y-direction. (Indicate the direction with the sign of your answer.)
- Response: 0.054 m ❌
- Feedback: Your response differs from the correct answer by more than 10%. Double-check your calculations.
**(c)** If the elevator cable snaps during the acceleration, describe the subsequent motion of the block relative to the freely falling elevator. What is the amplitude of its motion?
- Answer: 0.35 m ✔️
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