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Examen
Introductory Physics I - Exam 1 Questions with Detailed Verified Answers
Question: When is the average velocity of an object equal to the 
instantaneous velocity? 
A) only when the velocity is increasing at a constant rate 
B) only when the velocity is decreasing at a constant rate 
C) when the velocity is constant 
D) always 
E) never 
 Ans: C) when the velocity is constant 
 
Question: You drive 6.0 km at 50 km/h and then another 6.0 km at 90 km/h. 
Your average speed over the 12km drive will be 
A) greater than 70 km/h. 
B) equal to 70 km/h. 
C) les...