Physics, 20.07.2019 17:00 yasirtgesmartkid
What is the focal length of a lens?
Answers: 1
Physics, 22.06.2019 04:30, tinytoonjr8052
Light from the sun reaches the earth in 8.3 minutes. the velocity is 3.00 x 10^8 m/s. how far is earth from the sun? i know how to get to d = (3 x 10^8 m/s)(498 sec). i just don't know how to get from there to the answer being 1.5 x 10^11 m.
Answers: 3
What is the focal length of a lens?...
Mathematics, 13.03.2020 05:54
Mathematics, 13.03.2020 05:54
Mathematics, 13.03.2020 05:54