Question1alan leaves university of lethbridge at 800am to

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Reference no: EM13349839

Question1

Alan leaves University of lethbridge at 8:00am to drive to AU, 650 km away. He leaves at an average speed of 100km/h. Beth leaves Lethbridge at 9:00am and drives to AU at steady speed of 120 km/h. what is right?

a) alan arrives first and has to wait 1 hour for beth

b) alan arrives first and has to wait approx. 5 minutes for beth

c) alan arrives at the similar time as beth

d) beth arrives first and waits approx. 5 minutes for alan

e) beth arrives first and waits 1 hour and 5 minutes for alan

Question2

(a)considering that coefficient of kinetic friction between rubber and dry concrete is 0.8, calculate the maximum acceleration that a car can safely have on a concrete road?

(b) Coefficient of kinetic friction for rubber on dry asphalt is 0.5. What is utmost acceleration that a car can have on this surface?

Reference no: EM13349839

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