Conservation and Non-conservation energy

[sajid_mcse]

Homework Statement

My Teacher question is
if the potential depends explicity on time t and/or on velocity v then energy of particle is not conserverd. Explain and prove.

Homework Equations

The Attempt at a Solution

i attempted a lot but could not get answer

 

[malawi_glenn]

first this is introductory physics, just because you think the problem is challanging, it is stil introdouctory physics.

Second you must show your attempt to solution, just saying that you have tried is not enough. If you don't show us what we can't help you.

Also try posting the eq's that are relevant for this problem.