A body of mass 1 kg begins to move under the action of a time dependent force 
, where 
and 
are unit vectors along x and y axis. What power will be developed by the force at the time t? (NEET‐I2016)
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
: Here, 
kg
Acceleration of the body, 
Velocity of the body at time 
Power developed by the force at time 
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