5. A ball is thrown upwards at 20.0 m/s. a) How far has it traveled after 4.0 seconds?

b) What is its velocity at that time?

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.

i just did an experiment like this in my science class. also the answer is yes, it will get separated because they are two opposites meaning if they are opposite they can not attract.

hope this .!

i think the answer would be reserve.