A 2.0-kg particle has an initial velocity of (51 - 4ĵ) m/s. Some time later, its velocity is 71 + 35 m/s. How much work was done by the resultant force during this time interval, assuming no energy is lost in the process?

Physics for Scientists and Engineers, Technology Update (No access codes included)
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Author:Raymond A. Serway, John W. Jewett
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Chapter7: Energy Of A System
Section: Chapter Questions
Problem 7.11P: A force F = (6i 2j) N acts on a panicle that under-goes a displacement r = (3i + j) m. Find (a) the...
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A 2.0-kg particle has an initial velocity of (51-41) m/s. Some time later, its velocity is 71 + 31 m/s. How much work was done by the
resultant force during this time interval, assuming no energy is lost in the process?
Transcribed Image Text:A 2.0-kg particle has an initial velocity of (51-41) m/s. Some time later, its velocity is 71 + 31 m/s. How much work was done by the resultant force during this time interval, assuming no energy is lost in the process?
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