2. [-/7 Points] DETAILS Use the graph below to answer the following questions. Displacement vs. Time 2.5 Displacement (in) -2.5 -5 0 5 10 15 20 25 30 35 40 45 50 55 60 65 Time (s) a.) How many waves are pictured? waves b.) State the amplitude of the waves and choose the appropriate units. --Select--- v c.) State the period of the waves and choose the appropriate units. ---Select--- v d.) Determine the frequency of the waves and choose the appropriate units. --Select-- v Submit Answer 3. [-/5 Points] DETAILS Use the graph below to answer the following questions. Displacement vs. Position 20 Displacement (cm) -20 + 72 Position (in) a.) How many waves are pictured? waves b.) State the amplitude of the waves and choose the appropriate units. --Select--- v c.) What is the wavelength of the waves? Choose the correct units. --Select--- v4. [-/7 Points] DETAILS Use the graph below to answer the following questions. Displacement vs. Time 36 18 Displacement (in) 0 -18 -36 - 73 Time () a.) How many waves are pictured? waves b.) State the amplitude of the waves and choose the appropriate units. --Select--. v c.) State the period of the waves and choose the appropriate units. --Select--v d.) Determine the frequency of the waves and choose the appropriate units. ---Select