Answer:
The magnetic field exerts net force and net torque on the loop.
Survey research method uses questionnaires to collect information about the participants in a study.It is commonly used method of collecting information about a population of interest.
First one I believe but im not completely sure
Explanation:
use the formula
speed = frequency x wavelength
330 = frequency x 0.372
330 / 0.372 = frequency
887 Hz = frequency
hope this helps, please mark it brainliest