Answer:
c
Explanation:
wavelength = speed of light/ frequency
= (3x 10^8 m/s)/(5.0 x 10^14 Hz)
= 6.0 x 10^-7 m
We know, P = F . ΔV
P = 185 * 2.39 = 442.15 watt
Answer:
D
friction acts in the opposite direction of motion but does not affect the motion of the object