At time ti, the kinetic energy of a particle is 30.0 J andthe potential energy of the
Chapter 8, Problem 18(choose chapter or problem)
At time ti, the kinetic energy of a particle is 30.0 J andthe potential energy of the system to which it belongsis 10.0 J. At some later time tf , the kinetic energy ofthe particle is 18.0 J. (a) If only conservative forces acton the particle, what are the potential energy and thetotal energy of the system at time tf ? (b) If the potentialenergy of the system at time tf is 5.00 J, are any nonconservativeforces acting on the particle? (c) Explainyour answer to part (b).
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