A 2.49 kg object on a frictionless horizontal surface oscillates at the end of a spring with an amplitude of 0.14 m. Its maximum acceleration is 3.11 m/s2.Calculate the total mechanical energy of the system (in J). State your answer correct to 2 decimal points. Use a period (full stop) for the decimal point. Do not include units in your answer. Type your answer.

A 2.49 kg object on a frictionless horizontal surface oscillates at the end of a spring with an amplitude of 0.14 m. Its maximum acceleration is 3.11 m/s2.Calculate the total mechanical energy of the system (in J). State your answer correct to 2 decimal points. Use a period (full stop) for the decimal point. Do not include units in your answer. Type your answer.