A 4.6 kg toy race car can move along an x axis. The figure below gives F, of the force acting on the car, which begins at rest at time t = 0. Fx (N) 2.5 t (s) 2 4 -2.5 (a) In unit-vector notation, what is the momentum of the car at t = 2.0 s? p = 5i kg · m/s (b) In unit-vector notation, what is the momentum of the car at t = 9.0 s? p = 16.13 kg · m/s (c) In unit-vector notation, what is the car's velocity at t = 7.0 s? m/s

A 4.6 kg toy race car can move along an x axis. The figure below gives F, of the force acting on the car, which begins at rest at time t = 0. Fx (N) 2.5 t (s) 2 4 -2.5 (a) In unit-vector notation, what is the momentum of the car at t = 2.0 s? p = 5i kg · m/s (b) In unit-vector notation, what is the momentum of the car at t = 9.0 s? p = 16.13 kg · m/s (c) In unit-vector notation, what is the car's velocity at t = 7.0 s? m/s

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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