Question

Problem 14.4 Rey A spring scale hung from the ceiling stretches by 6.2 cm when a 1.7 kg mass is hung from it. The 1.7 kg mass is removed and replaced with a 1.9 kg mass. Part A What is the stretch of the spring? Express your answer with the appropriate units. ? Δα Value Units Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining

Answer 1

solr.: at the equilibrium point, we can write E 11 Fs - W = 0 ka ng k il mg Х 1. Ikg X 9.8 mis? k = 6.2 x co - 2 m. 16,66 x 102 k 11 6.2 х co2 2.687 K 2.69 x 102 k 269 N k 11 disa CS Scanned with CamScanner

re removing lo7 Now after spring kg will and adding (1.8 kg constant constant. Krenew = ng mg Hrew Hnew 11 1.9 kg x 9.8 m/s2 269 Nim renew 18.62 269 Hrew 0.0 69 21 6.921 x 10-2 6.921 cm Mhe w CS Scanned fier = CamScanner