A wave travels at a speed of 74 m/s. If the distance between crests is 12 m, what is the frequency of the wave? Use f
2
V
O A. 6.2 Hz
O B. 0.16 Hz
O c. 62 Hz
O D. 890 Hz

Aloop of wire is in a magnetic field such that its axis is parallel with the field direction. which of the following would result in an induced emf in the loop? choose all that apply. a loop of wire is in a magnetic field such that its axis is parallel with the field direction. which of the following would result in an induced emf in the loop? choose all that apply. moving the loop outside of the magnetic field region. spin the loop such that its axis does not consistently line up with the magnetic field direction. change the magnitude of the magnetic field. change the diameter of the loop