An elevator cable breaks when a 925-kg elevator is 28.5 m above the top of a huge
Question:
An elevator cable breaks when a 925-kg elevator is 28.5 m above the top of a huge spring (k = 8.00 × 104 N/m) at the bottom of the shaft. Calculate
(a) The work done by gravity on the elevator before it hits the spring;
(b) The speed of the elevator just before striking the spring;
(c) The amount the spring compresses (note that here work is done by both the spring and gravity).
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a The work done by gravity as the elevator falls is the weight times the displ...View the full answer
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I did Master of Commerce in year 2009 and completed ACCA (Association of Chartered Certified Accountants) in year 2013. I have 10 years of practical experience inclusive of teaching and industry. Currently i am working in a multinational company as finance manager and serving as part time teacher in a university. I have been doing tutoring via many sites. I am very strong at solving numerical / theoretical scenario-based questions.
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