7. (II) You are driving home from school steadily at 95 km/h for 180 km. It then begins to rain and you slow to 65 km/h. You arrive home after driving 4.5 h. (a) How far is your hometown from school? (b) What was your average speed?

7. (II) You are driving home from school steadily at 95 km/h for 180 km. It then begins to rain and you slow to 65 km/h. You arrive home after driving 4.5 h. (a) How far is your hometown from school? (b) What was your average speed?

Name: Question is "(a) How far is your hometown from school? (b) What was yo
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Description: Question is "(a) How far is your hometown from school? (b) What was your average speed? 7. (II) You are driving home from school steadily at95 km/h for 180 km. It then begins to rain and you slowto 65 km/h. You arrive home after driving 4.5 h. (a) Ho

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter3: Motion Along A Straight Line

Section: Chapter Questions

Problem 84AP: Unreasonable Results A cyclist rides 16.0 km east, then 8.0 km west, then 8.0 km east, then 32.0 km...

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2.) A subway train starts from rest at a station and accelerates at a rate of 2.50 mls for 15.9b seconds. H then runs at a constant specd of 35 seconds and then slows down at a rate of 4.50 ml s² until it sto ps at the next station? Q) what is the speed of the frain to finish tħ before It starts slo wing down? Given: Solution: Vi: o mis a: 2.50 m Is² At:15.90 seconds. Vp: (o mls) + (2.50 mls²)( 15.90 s) : 39.75 mls Requined: Equation: Vf = Vi t a At %3D b.) How long did it take the train to finish the trip from one station to the other ? Given: Vf= 39.75 mls t1= 15.90 s solution 0: 39.75 mls - 4.50 ml S*ts : 4.50 m Is² to=89.75 mls = to: 39.75 m ls 4.50 mlsz : 8.83s Requinud: Total time (t) t: s t 8.83 s 15.90s 35S 59.73s Equation: t: tit tz t t3 to: Vf.