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Physics
Physics
Problem
Q4: At time
t
=
0
t = 0
t
=
0
s particle starts moving along the x-axis. If its kinetic energy increases uniformly with time 't', the net force acting on it must be proportional to (a)
t
\sqrt{t}
t
(b) constant (c)
t
t
t
(d)
1
/
t
1/\sqrt{t}
1/
t
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