vot = 0t = 3.5 svo = (2.5i + 3.5j) m/si = (-2.51) m/sThe velocity of a 3.0-kg object is shown at two times. What was the magnitude of the average forceexerted on the object between t= 0 and t = 3.5s?O 1.74 NO 6.26 NO 14.7 NO 3.23 NO 0.845 N

t = 0 sec t1 = 3.5 secchange in time = 3.5 sec mass = 3 kg →vo = 2.5i^ + 3.5 j^→vf = -2.5 i^change…

Answered: t = 0 t 3.5 s vo = (2.5i + 3.5j) m/s i…

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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vo
t = 0
t = 3.5 s
vo = (2.5i + 3.5j) m/s
i = (-2.51) m/s
The velocity of a 3.0-kg object is shown at two times. What was the magnitude of the average force
exerted on the object between t= 0 and t = 3.5s?
O 1.74 N
O 6.26 N
O 14.7 N
O 3.23 N
O 0.845 N

Expert Solution

Step 1

$t = 0 s e c t_{1} = 3.5 s e c c h a n g e i n t i m e = 3.5 s e c m a s s = 3 k g \underset{v_{o}}{\to} = 2.5 \hat{i} + 3.5 \hat{j} \underset{v_{f}}{\to} = - 2.5 \hat{i} c h a n g e i n v e l o c i t y = \underset{v_{o}}{\to} - \underset{v_{f}}{\to} = - 2.5 \hat{i} - (2.5 \hat{i} + 3.5 \hat{j)} = - 5 \hat{i} - 3.5 \hat{j}$

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