Question

Can an object have mechanical energy even if its momentum is zero explain​

Answer 1

Answer:

No, if the momentum (mv=0, means v=0).

Thus the kinetic energy too would also be zero.

As KE= 1/2mv².

Hope you find it useful.

Lil-Zyush :-)

Answer 2

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Yes, an object can have momentum even when its mechanical energy is zero because Mechanical energy is the sum of potential energy and the Kinetic energy

i.e.,

Mechanical Energy (M.E) = Potential energy (P.E) + Kinetic Energy (K.E)

M.E = 0

So, K.E + P.E = 0

P.E = -K.E