The relative displacement (in meters) of an object at a time (in seconds) is defined by the function . What is the instantaneous acceleration of the object at ?
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What is the instantaneous velocity of an object having a displacement function of in meters at ?
Find the instantaneous velocity of an object having a displacement function of in meters at .
The position of a moving particle is defined by the function where the position is measured in meters, and the time is measured in seconds, . Find the instantaneous velocity and acceleration of that particle at .
?
where the position 
is measured in meters, 
and the time is measured in seconds, 
. Find the instantaneous velocity and acceleration of that particle at 
.