What is the velocity of a wave with a wavelength of 4.0 m and a frequency of 27.9 Hz?
oct unit

u=13

v=30

s/t=u+1\2at

=13+431/2

=13+265.5

=278.5

b mirrors submit a iisner? e. for which optical devices does d sometimes have a positive value? o a a and b o b. a and c o c. b and d 0 d. b and cb

luster is not a good characteristic to use by itself because luster is the property of minerals that indicates how much the surface of a mineral reflects light. the luster of a mineral is affected by the brilliance of the light used to observe the mineral surface.