A particle moves in one-dimensional field with total mechanical energy E. If potential energy of particle is 
, then
A
the particle has non-zero speed where 
B
the particle has zero acceleration where 
C
the particle has zero velocity where 
D
the particle has zero acceleration where 
Text Solution
Verified by ExpertsThe correct answer is:
D
Mechanical energy 
kinetic energy + potential energy,
If 
, then 
If 
, then 
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