### Compute the total mechanical energy

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##### Reference no: EM1312127

Q1. An aluminium block of mass m1 = 3.45 kg and a copper block of mass m2 = 6.30 kg are connected by a light string over a frictionless pulley. They sit on a steel surface, where θ = 40.0°

Q2. A 2.82 kg object on a frictionless horizontal surface oscillates at the end of a spring with amplitude of 7.88 cm. Its maximum acceleration is 3.34 m/s2. Compute the total mechanical energy.

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