Question: The loop of Problem 97 is attached to a plastic spring of spring constant ??(Figure). (a) When B?= 0, the period of small-amplitude vertical oscillations
The loop of Problem 97 is attached to a plastic spring of spring constant ??(Figure).
(a) When B?= 0, the period of small-amplitude vertical oscillations of the mass?spring system is 0.8 s. Find the spring constant ?.
(b) When B?? 0, a current is induced in the loop as a result of its up and down motion. Obtain an expression for the induced current as a function of time when B?= 0.40 T.
(c) Show that the induced current acts as a damping mechanism.
(d) Determine the value of the magnetic field for which the Q of the mass?spring system is 100.
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a Using Equation 1412 4 2 m T 2 308 Nm b Let y y 0 sin t We find E R E Bv E R ... View full answer
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