Question 8 (10 points) Listen Tourists are floating on an off-shore raft. They estimate that 3.3 meters separates a trough and an adjacent crest of surface waves on the lake. They count 24 crests that pass by the raft in 12.9 seconds. Find the frequency of the waves. You may upload a picture of your work for partial credit. Note: use SI abbreviations for units. Do NOT type out the entire unit (ex: L not liters) Your Answer: Answer units Add attachments to support your work Question 9 (10 points) Listen Tourists are floating on an off-shore raft. They estimate that 4.1 meters separates a trough and an adjacent crest of surface waves on the lake. They count 14 crests that pass by the raft in 7.9 seconds. Find the wavelength of the waves. You may upload a picture of your work for partial credit. Note: use SI abbreviations for units. Do NOT type out the entire unit (ex: L not liters) Your Answer: Answer unitsQuestion in [1D points] =-Il Tourists are floating on an off-shore raft. They estimate that 2.3 meters separates a trough and an adjacent crest of surface waves on the lake. They count 16 crests that pass by the raft in 9.1 seconds. Find the speed of the waves. You may upload a picture of your work for partial credit. Note: use SI abbreviations for units. Do NOT type out the entire unit Eek: L not liters] Your An swer: Answer units I} Add attachments to support your work