A circular wire loop of radius LaTeX: RR lies in the xy-plane with the z-axis running through its center. There is initially no magnetic field present. At LaTeX: t=0t = 0 a magnetic field given by LaTeX: \vec{B}=Ce^t\hat{x}+Dt^2\hat{z}B → = C e t x ^ + D t 2 z ^ (where LaTeX: CC and LaTeX: DD are constants) is turned on. Note that this means that the field magnitude only depends on time, and that the field initially points along LaTeX: \hat{x}x ^. What is the magnitude of the emf induced in the current loop?

15.3 cos 65 degrees trig

that would be because of both gravity and friction. so     c

i think its c if i'm wrong

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hope this !