Answer:
a) [tex]f' = 0.8 \ Hz[/tex]
b) [tex]A' = 0.098 \ m[/tex]
c) [tex]f' = 0.8 \ Hz[/tex]
d) [tex]A' = 0.4258 \ m[/tex]
Explanation:
This text box tool can only contain 5000 characters and  due to the bulkiness of the answer, I solved the  question in a paper form and the pictures were scanned and uploaded according with clear and understandable explanations.