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Opera File Edit View History Bookmarks Window Help Course Home ·a Course Cone 6PM Q www.webassign.net/webyst www.webassign.net wants to run Flash. Deny Question 1 23 4578910 11 Description For this assignment, you submit arnwers by question parts. The numbar change the answer Your last submission is used for your score problems about 1d motion instructions Assignment Scoring please read chapter #2 A person travels by car from one city to another with different constant speeds between pairs of cities. She drives for 25.0 min at so.o km/h, 11.0 min at s0.0 km/h and 55.0 msin at km/h, and spends 60.0 min eating lunch and buying gas (a) Determine the average speed for the trip. km/h (b) Determine the distance between the initial and final cities along this route. Need Help?a Tote Show My Work o, mchooAnothervenen Save Assignment Progress SubmitAssignmenExplanation / Answer
Only one can be posted as per chegg guidelines
1.
a)
Distance Travelled are
X1=V1t1=50*(25/60)=20.83 Km
X2=V2t2=50*(11/60)=9.17 Km
X3=V3t3=50*(55/60)=45.83 km
Total distance travelled
D=20.83+9.17+45.83=75.83 Km
elapsed time is
t=25+11+55+60=151 min
t=151/60=2.5167 hours
a)
Average speed
Vavg=D/t =75.83/2.5167=30.13 Km/h
b)
D=75.83 Km
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