Physics, 05.09.2019 18:30 xxtonixwilsonxx
During the first 14 minutes of a 1.0 hour trip, a car has an average speed 36 km/h. what must the average speed in km/h of the car during the rest of the trip be if the car is to have an average speed of 74.0 km/h for the entire trip
Answers: 3
= time interval for first phase = 14 min = 
h = 0.233 h 
= time interval for second phase = 46 min = 
h = 0.767 h 
= average speed for the entire trip = 74 km/h
= average speed in first phase = 36 km/h
= average speed in second phase 
= distance traveled in first phase 
= distance traveled in first phase 
km/h 
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During the first 14 minutes of a 1.0 hour trip, a car has an average speed 36 km/h. what must the av...
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