(10%) Problem 1: A 0.55-kg mass suspended from a spring undergoes simple harmonic oscillations with a period of 1.6 s. How much mass, in kilograms, must be added to the object to change the period to 1.8 s? Am = 1 sin() cos tan() JI 7 8 9 HOME cotan() asin() acos() E A 5 6 atan() acotan() sinh() 2 3 cosh() tanh() cotanh() + O END Degrees O Radians VO BACKSPACE DEL CLEAR Submit Hint Feedback I give up