Answered: An electron's position is given…

An electron's position is given byr=4.0ti+5.0t] with t in seconds and rin meters. (a) In unit-vector notation what is the electron's velocity V (t)? (b) What is the V at t = 4.0 s?

University Physics Volume 1

18th Edition

ISBN:9781938168277

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

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

Chapter4: Motion In Two And Three Dimensions

Section: Chapter Questions

Problem 20P: A bird files straight northeast a distance of 95.0 km for 3.0 h. With the x -axis due east and the y...

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Question

An electron's position is given by r=4.0ti+5.0tj with t in seconds and rin meters.
(a) In unit-vector notation what is the electron's velocity V (t)?
7(t)?
(b) What is the
at t = 4.0 s?

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