121?ou-2036208Lisprv=8drc=08tqi=114.. G aded Question Set 1 X Limit: 1:00:00 Time Left:0:59:51 Maisa Mando: Attempt 1 1: 2.05x1014 J Question 2 (2 points) Listen A rock avalanche deposit has a mass of 2.20x107 kg. It originated from an average height of 672 m above the valley floor. What was its maximum average velocity just before impacting the valley floor if all of its potential energy was converted to kinetic energy. O 145 m/s 68.3 m/s O 115 m/S O 227 m/s 1.75x10- m/5 ENG a US