A plane electromagnetic sinusoidal wave of frequency 30.0 MHz travels in free space in the negative z direction. At some point and at some instant, the electric field has its maximum value of 200 N/C along the y-axis. (a) What is the wavelength of the wave

iron would move it is magnetic there is a mag field around the current in the wire

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2

pythagoras' theorem

square root (-5^2+9^2)

square root (25+81)

square root (106)

angle is tan^-1(9/5)

neg x, pos y