3. An object traveling horizontally decreases its velocity from 40 m/s to 10 m/s. During thisacceleration period its displacement is 1750 meters. What will be its velocity (in m/s) four secondslater?(a) 6.73(b) 8.28(c) 2.35(d) 5.71(e) None of theseszali to suol

Givenu=40 m/sv=10 m/ss=1750 m using v2=u2+2as ⇒a=-u2-v22s =-1600-1002×1750 =-15002×1750 =-37m/s2Now we need to find veocity 4 sec later after velocity was 10 m/ssov=10-37×4 =8.28 m/s Answer Option (b) 8.28

Answered: 3. An object traveling horizontally…

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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3. An object traveling horizontally decreases its velocity from 40 m/s to 10 m/s. During this
acceleration period its displacement is 1750 meters. What will be its velocity (in m/s) four seconds
later?
(a) 6.73
(b) 8.28
(c) 2.35
(d) 5.71
(e) None of these
szali to suol

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