A force acts on a 
object so that its position is given as a function of time as 
. What is the work doneby this force in first 
seconds?
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
1. JEE Main 2019
Position, 
Velocity, 
At 
, 
And, at 
, 
According to work-energy theorem, 
or, 
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