If the number on an fm radio dial reads 99.5 mhz, what is the wavelength of this signal?
a.
2.23 m
c.
3.02 m
b.
3.23 m
d.
2.03 m

Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. the work done on object 1 is 900 j. after the force has pulled each object, object 1 moves twice as fast as object 2. how much work is done on object 2?