Question

G Your uncle works at the railroad x + PeopleSoft session expired x University of the Witwatersrand Mastering Physics: Chapter 5: Ha x - c session.masteringphysics.com/myct/itemView?assignment ProblemID=134538103 Apps M Gmail YouTube Maps Homework <Chapter 5: Hard problem (Bonus) Problem 5.69 < 1 of 1 > Your uncle works at the railroad freight yard, and he has asked you to watch the yard hands couple 30.000 kg boxcars together. As he leaves to get a sandwich, he tells you. Whatever you do, don't let those cars bang together too hard. Each coupling will take only 4.000 J on a hit before it shatters. You ask how hard is too hard, but your uncle has already ducked out. Part A How fast can one moving car bump into a stationary car without the coupling shattering? Express your answer to two significant digits and include the appropriate units max = Value Units Submit Request Answer < Return to Assignment Provide Feedback Type here to search @ 21:43 46) ENG 2000/03/12

Answer 1

criven m = 30000kg Е: Чорот No40 E = my 2 15oos Чов : 2х зовоо хv? y': , Y= 0. 5 , Scanned with CamScanner