In one dimensional motion, instantaneous speed 
satisfies 
.
A
The displacement in time 
must always take non-negative values
must always take non-negative values
B
The displacement 
in time 
satisfies 
in time satisfies
C
The acceleration is always a non-negative number
D
The motion has no turning points
Text Solution
Verified by ExpertsThe correct answer is:
B
For maximum and minimum displacement we have to keep the velocity of body maximum.
As maximum velocity in positive direction is 
.
Maximum displacement in +ve direction 
Maximum velocity in opposite direction is also 
.
Displacement can be only between 
and 
Hence, 
,
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