ENTRANCE TEST – 2012 :: Discussion


18.What is the overall average speed of the car?
A.12
B.13.3
C.40
D. 48
Answer:  Option  D
Explanation:

A racing car accelerates uniformly through three gears, changes with the following average speed:

20 for 2.0 s

40 for 2.0 s

60 for 6.0 s

Tutorial Link:
Published by:Rehana Akram

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