Question

Copy of Best of Homework for Giancoli, Physics: Principles with Applications, 7e Ch 02 HW Problem 2.41 Pert A A bel player catches a bell 3.305 aher teowing t vericaly With what speed did he thow it Expresa ar anewer t。hm siprficant figures and include the appropr e unts Value Units X Incorrect; Try Again What height did it reach Express your anawer to Shree significent figures and include the appropriate units y-Value Units Provide Feedback 5 6 M <

Answer 1

Here time taken by ball, t = 3.30s [given] let the initial speed of ball be u time taken to catch, t = 2 times u/g 3.30 = 2 times 4/9.8 u = 16.17 The initial speed of the ball is height reached by the ball, h = u^2/2g h = (16.17)^2/2 times 9.8 h = 13.34m