A particle starts from origin at 
with a velocity 
and moves in 
plane
under action of a force which produces a constant acceleration of 
. Choose the correct statement.
A
The position of particle at any time 
is given by 
.
is given by . B
The speed of particle at 
is 
.
is . C
The time at which the particle crosses 
-axis is 3 s .
-axis is 3 s . D
The time at which the velocity and acceleration are perpendicular is 
Text Solution
Verified by ExpertsThe correct answer is:
B
At 
and 
Speed 
The particle never crosses the 
-axis.
for 
and 
to be perpendicular
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