A1.53-kg piece of iron is hung by a vertical ideal spring. when perturbed slightly, the system is moves up and down in simple harmonic oscillations with a frequency of 1.95 hz and an amplitude of 7.50 cm. if we choose the total potential energy (elastic and gravitational) to be zero at the equilibrium position of the hanging iron, what is the total mechanical energy of the system?
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Physics, 22.06.2019 12:10
Aspring has a natural length of 8 m. if a 12-n force is required to keep it stretched to a length of 10 m, how much work w is required to stretch it from 8 m to 16 m? (round your answer to two decimal places.)
Answers: 1
Physics, 22.06.2019 14:30
Suppose that 27 j of work is needed to stretch a spring from its natural length of 6 m to a length of 9 m. (a) how much work is needed to stretch the spring from 12 m to 14 m? j (b) how far beyond its natural length will a force of 78 n keep the spring stretched?
Answers: 2
A1.53-kg piece of iron is hung by a vertical ideal spring. when perturbed slightly, the system is mo...
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