Answer the short answer questions 1. A tree 20 m high is located 40 m from the converging lens of focal length 8.0 cm.
(a) Calculate the distance from the lens to the image.
(b) Calculate the magnification.
(c) Calculate the height of the image of the tree.

Question was not very clear if there are specific answer choices tell me and i'll try to you more. hope this though2 laps is 1 min. we know that for each min she does two times the amount of laps. for 12 laps we can do 12/2 which does give us 12 laps in 6 mins not 16 mins.