The top walking speed of a fly is 1 cm/s. how far can a fly crawling on the ceiling travel in 6 seconds?
a. 1 centimeter
b. 1 second
c. 6 centimeters
d. 6 seconds

waves moving from a fast medium to a slow medium will experience a reflection as light travels more slowly than red light. total internal reflection occurs when the critical angle is.

the current is 0.6

voltage ÷ resistance = current

so 12 ÷ 20 = 0.6

helium

oxygen

neon

sodium