You are driving on the highway at 40 m/s with another car driving next to you at exactly the same speed. When you honk your horn (with a frequency of 315 Hz),
what frequency of sound will the driver of other car perceive?
235 Hz
315 Hz
475 Hz
07.8 Hz

a.metals can become magnetic if they have many spinning electrons that create magnetic fields.d.only some metals are attracted by magnets; these metals are called ferromagnetic.

d.wrapping an insulated wire around a metal with ferromagnetic properties and applying an electric current.

if they have a finite resultant

the answer would most likely be c, because if it's a comical piece of information, it may likely not be true, if it's a site that allows anybody to edit the content, it could mean a five year old is typing the info, and if it's a tv show produced by a celeb, it may have a biased opinion.