The position vector of a particle 
as a function of time is given by 
where 
is in meters, 
is in seconds and 
and 
denote unit vectors along 
‐ and 
‐ directions, respectively. Which one of the following statements is wrong for the motion of particle?
A
Magnitude of the velocity of particle is 8 meter/second.
B
Path of the particle is a circle of radius 4 meter.
C
Acceleration vector is along 
D
Magnitude of acceleration vector is 
where 
is the velocity of particle.
where is the velocity of particle.
Text Solution
Verified by ExpertsThe correct answer is:
A
Here, 
The velocity of the particle is
Its magnitude is
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