HW14 - Thevalingam, Donald Homework 14 Due: Dec 21 2006,...

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Unformatted text preview: Thevalingam, Donald Homework 14 Due: Dec 21 2006, midnight Inst: Eslami 1 This print-out should have 18 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. The due time is Central time. Please take note of the due date of the as- signment. It is due on Thursday, Decembber 21 at midnight. 001 (part 1 of 1) 10 points An elevator starts from rest with a constant upwardaccelerationandmoves1minthefirst 1 . 7 s. A passenger in the elevator is holding a 5 . 5 kg bundle at the end of a vertical cord. The acceleration of gravity is 9 . 8 m / s 2 . What is the tension in the cord as the ele- vator accelerates? Answer in units of N. 002 (part 1 of 3) 10 points A dragster and driver together have mass 881 . 2 kg . The dragster, starting from rest, attains a speed of 26 . 8 m / s in 0 . 54 s . Find the average acceleration of the drag- ster during this time interval. Answer in units of m / s 2 . 003 (part 2 of 3) 10 points What is the size of the average force on the dragster during this time interval? Answer in units of N....
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HW14 - Thevalingam, Donald Homework 14 Due: Dec 21 2006,...

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