A particle is moving in three dimensions and its position vector is given by; r(t) = (4t² + 1.7t) î + (1.5t — 2.1)ĵ + (2.7t³ + 2t)k where r is in meters and t is in seconds. Determine the magnitude of the instantaneous velocity at t = 3s. Express your answer in units of m/s using one decimal place. Answer:

A particle is moving in three dimensions and its position vector is given by; r(t) = (4t² + 1.7t) î + (1.5t — 2.1)ĵ + (2.7t³ + 2t)k where r is in meters and t is in seconds. Determine the magnitude of the instantaneous velocity at t = 3s. Express your answer in units of m/s using one decimal place. Answer:

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter2: Vectors

Section: Chapter Questions

Problem 2.10CYU: Check Your Understanding Verify that vector v V obtained in Example 2.14 is indeed a unit vector by...

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