A 3.5 kg particle moves along an x axis according to x(t) = −12 + 5t2 − 4t3, with xin meters and t in seconds. In unit-vector notation, what is the net force acting on theparticle at t = 6 s? ii) A 3.5 kg particle moves along an x axis according to x(t) = -12 + 5t2 – 4t³, with xin meters and t in seconds. In unit-vector notation, what is the net force acting on theparticle at t = 6 s?[2]

Given data The position of the particle is given as xt=-12+5t2-4t3. The mass of the particle is…

ii) A 3.5 kg particle moves along an x axis according to x(t) = -12 + 5t2 – 4t³, with x in meters and t in seconds. In unit-vector notation, what is the net force acting on the particle at t = 6 s? [2]

ii) A 3.5 kg particle moves along an x axis according to x(t) = -12 + 5t2 – 4t³, with x in meters and t in seconds. In unit-vector notation, what is the net force acting on the particle at t = 6 s? [2]

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 74AP

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Question

A 3.5 kg particle moves along an x axis according to x(t) = −12 + 5t
2 − 4t
3
, with x
in meters and t in seconds. In unit-vector notation, what is the net force acting on the
particle at t = 6 s?

ii) A 3.5 kg particle moves along an x axis according to x(t) = -12 + 5t2 – 4t³, with x
in meters and t in seconds. In unit-vector notation, what is the net force acting on the
particle at t = 6 s?
[2]

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