#7

(4%) Problem 7: The device pictured in the figure entertains infants while keeping them from wandering. The child bounces in a harness, with a spring constant k, and is suspended off of the ground. Forbes, David - david.forbes @doane.edu . Ctheexpertta.com @theexpertia.com - tracking id; 9N69-72-B9-45-AB7A-40021. 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) If the spring stretches x1 = 0.245 m from equilibrium while supporting an 7.3-kg child, what is its spring constant, in newtons per meter? Grade Summary k =1 Deductions Potential 100% sinO cos() tan() 7 8 9 HOME Submissions cotan( asin() acos() 4 S 6 Attempts remaining: 999 (0% per attempt) atan() acotan( sinh() 2 3 detailed view coshO tanh( cotanh( + 0 END Degrees O Radians VO BACKSPACE CLEAR Submit Hint Feedback I give up! Hints: 0% deduction per hint. Hints remaining: 1 Feedback: 0% deduction per feedback. 4 33% Part (b) What is the time, in seconds, for one complete bounce of this child about the point x1? A 33% Part (c) What is the child's maximum velocity, in meters per second, if the amplitude of her bounce, relative to x1, is 0.215 m