The Expert TA 1 Human-l/X Ci Secure https://us1380ktheexperttacomicommon/TakeTut

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The Expert TA 1 Human-l/X Ci Secure https://us1380ktheexperttacomicommon/TakeTutonalAs . ssignment.aspx Apps O YouTube y Twitter N Netfic Hulu (DD2L Top HatThe Expert TAI Humi -thinkvell POLS 111 ° Hire System ILogn Home I Student: nicole.zaun@okstate.edu My Account Log Out Class Homework 02 Begin Date: 8 312018 S:00:00 PM-Due Date: 9/7/2018 5:00:00 PM End Date: 9 i I/2018 5:00:00 PM (11%) Problem 5: At time 0-0 a car starts moving southward from rest. It continues moving in the same direction and by time fe- 150 s has covered a distance d-540 m Take northward as the positive r-direction. Refer to the figure. time, t, 0 Otheexpertta. pleted | | 25% Part (a) what is the car's average speed during this period, in meters per second? leted -3.6 Correct pleted 25% Part (b) what is the car's displacement in the x-direction Ar, in meters, during this period? Ar-540 Grade Summa Potential 641 PM 9/5/2018

Explanation / Answer

b) Car’s displacement = x= -540m

c) vave= x/t = -540m/(150s) = -3.6m/s

d) aave=(vf-vi)/t= (-30m/s-0m/s)/150s = -1.2m/s^2

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