A particle of mass M = 0.2 kg is initially at rest in the xy-plane at a point (x = - 
, y = -h), where 
= 10 m and h = 1m. The particle is accelerated at time t = 0 with a constant acceleration a = 10 m/s 2 along the positive x-direction. Its angular momentum and torque with respect to the origin, in SI units, are represented by 
and 
respectively, 
and 
are unit vectors along the positive x, y and z-directions, respectively. If 
then which of the following statement(s) is(are) correct?
, y = -h) at time t = 2 s.
when the particle passes through the point (x = 
, y = -h)
when the particle passes through the point (x = 
, y = -h)
when the particle passes through the point (x = 0, y = -h)
Text Solution
Verified by ExpertsCHECK THE SOLUTION.
(a, b, c)
Time taken to reach from (- 
, -h) to ( 
, -h) is given by
2 
= 
at 2
20 = 
(10)t 2 t = 2sec
[when particle passes through ( 
, -h)]
(always)
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