The position of an object moving along the 
-axis is given by 
, where 
and 
, and 
is measured in seconds. Choose the correct option.
A
Speed of the object is zero at 
.
. B
Object stops and reverses its direction at 
.
. C
Average velocity is not zero at 
D
Average velocity at 
is 
is
Text Solution
Verified by ExpertsThe correct answer is:
B
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