Problem 4.31
A 5.60-kg bucket of water is accelerated upward by a cord of negligible mass whose breaking strength is 75.0 N. If the bucket starts from rest, what is the minimum time required to raise the bucket a vertical distance of 12.0 m without breaking the cord?
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Section 2, Physics 211 – Dr. Luca Bombelli Day Three: Tuesday, August 29, 2017 Q: Which of the following is a unit vector in 3D space A) 1 B) <0, 0, 1> C) <1, 1, 1> D) both B and C Q: A: p = mv Summary of previous class: Form of prediction ri rf rf= ri+ vavg∆t ∆r displacement vavg ∆t= time Instantaneous If you take close points vs. far points the vavgwon’t change Velocity
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Chapter 4, Problem 4.31 is Solved
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