The position of a particle for t > 0 is given by r⃗ (t) = 43.02i + 7.0 t3j + 5.0 t-2k̂ m.( a)What is its speed at t = 1.0 s and t = 3.0 s? (b) What is the average velocity between t = 1.0 s and t = 2.0 s?

The position of a particle for t > 0 is given by r⃗ (t) = 43.02i + 7.0 t3j + 5.0 t-2k̂ m.( a)What is its speed at t = 1.0 s and t = 3.0 s? (b) What is the average velocity between t = 1.0 s and t = 2.0 s?

Glencoe Physics: Principles and Problems, Student Edition

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ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter4: Forces In One Dimension

Section: Chapter Questions

Problem 2STP

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The position of a particle for t > 0 is given by r⃗ (t) = 43.0²i + 7.0 t³j + 5.0 t^-2k̂ m.( a)What is its speed at t = 1.0 s and t = 3.0 s? (b) What is the average velocity between t = 1.0 s and t = 2.0 s?

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