A body with mass 5 kg is acted upon by a force 
. If its initial velocity at 
is 
, the time at which it will just have a velocity along the 
-axis is
Text Solution
Verified by ExpertsThe correct answer is:
B
Given, mass, 
Acting force, 
Initial velocity at 
Retardation, 
As final velocity is along 
-axis only, its 
-component must be zero.
From 
, for 
-component only,
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