answer all part's please

(7%) Problem 3: A transverse wave traveling on a Slinky@ that is stretched to a total length of 3.5 m takes 2.5 s to travel the length of the Slinky and back again. Forbes, David - david forbes@doane.edu @theexpertta.com - tracking id: 9N69-72-B9-45-AB7A-36840. In accordance with Expert TA's Terms of Service, copying this information to any solutions sharing website is strictly forbidden. Doing so may result in termination of your Expert TA Account. D A 33% Part (a) What is the speed of the wave in units of meters per second? Grade Summary m/s Deductions 0% Potential 100% sin() cosO tan() 7 8 9 HOME Submissions cotan( asin( acos() E 4 5 6 Attempts remaining: 1 (83 % per attempt) atan( acotan( sinh) 2 3 detailed view cosh( tanh() cotanh() + 0 END Degrees O Radians VO BACKSPACE CLEAR Submit Hint Feedback I give up! Hints: 0% deduction per hint. Hints remaining: 2 Feedback: 0% deduction per feedback. 4 33% Part (b) Using the same slinky stretched to the same length, a standing wave is created which exhibits of three antinodes and four nodes. At what frequency, in hertz, must the Slinky be oscillating? 4 33% Part (c) Since a Slinky can have traveling transverse waves on it, we can define a tension in it as if it were a string. If the total mass of this Slinky is 490 g, what is the "effective tension" in units of newtons