An electromagnetic wave has a frequency of 3.0 x 105 hz. what is the
wavelength of the wave? use the equation 2 = and the speed of light as 3.0
x 108 m/s.
o a. 9.0 x 103 m
o b. 9.0x1013 m
o c. 1.0 x 103 m
o d. 1.0 x 1013 m

The sun’s mass is 2.0×10^ 30 kg, its radius is 7.0×10 5 km, and it has a rotational period of approximately 28 days. if the sun should collapse into a white dwarf of radius 3.5×10 3 km, what would its period be if no mass were ejected and a sphere of uniform density can model the sun both before and after?

How does the electric potential energy between two charged particles change if one particle is reduced by a factor of 3? a. increased by a factor of 3 b. it is decreased by a factor of 9 c. it is reduced by a factor of 3 d. it is increased by a factor of 9

Bahan yang digunakan mencegah terjadinya polarisasi pada batu baterai a.larutan h2so4b.mncl2 dan serbuk karbonc.pbso4d.nh4cl