Which type of light is transmitted the most by eyeglasses with the coating? Which type of light is transmitted the least by eyeglasses with the special coating? Look carefully at the graphs. Does the data support the claim that the glasses block 100% of the UV and 50% of the IR light that hits the lenses?

Would it be a good idea for people to have this coating on eyeglasses that they wear every day? Explain.

Person that answer all the questions get 100 points!

Distance covered = speed x timethe distance traveled going against the stream = distance traveled with the stream.therefore it is the speed and the time that are the variables.as he travels the same distance both ways, speed x time is the same for each way.going upstream his speed is 4 kph; going downstream his speed is 6 kph.therefore we have two simultaneous equations: time upstream x 4 = time downstream x 6time upstream + time downstream = 60 minutestherefore we have the equation: time upstream = 6/10 hour, time downstream therefore = 4/10 hour.distance traveled at 4km/hr in 6/10 hour = 24/10 = 2.4km.check: distance traveled at 6km/hr in 4/10 hour = 24/10 = 2.4km.