Question:
In a two dimensional motion, instantaneous speed v0 is a positive constant. Then which of the following are necessarily true?
(a) the average velocity is not zero at any time
(b) average acceleration must always vanish
(c) displacements in equal time intervals are equal
(d) equal path lengths are traversed in equal intervals
Solution:
The correct answer is (d) equal path lengths are traversed in equal intervals
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