Question 10 of 19 > A train traveling at yo = 21.0 m/s begins to brake by applying a velocityidependent instantaneous acceleration E\" E a g 0(1)) = mls2 C U + M 2 E where o: = 15.0 mzfs3, v is the instantaneous velocity of the train, and u = 0.6 mls. 2 Determine the distance D traveled by the train before it comes to a complete stop. Question 7 of 19 > Z: Attem on A small bag of sand is released from an ascending hotair balloon whose constant1 upward velocity is 120 = 2.25 mfs. Knowing that at the time of the release the balloon was 79.3 m above the ground, determine the time t it takes for the bag to reach the ground from the moment of its release. Use g = 9.8] [11/32. Q) Macmillan Learnin 4.36 In corre ct