Chapter 2 Practice Problem 2017 Incorrect The 158in spring i

Chapter 2, Practice Problem 2/017 Incorrect The 15.8-in. spring is compressed to a 8.1-in. length, where it is released from rest and accelerates the sliding block A. The acceleration has an initial value of 450 ft/sec2 and then decreases linearly with the x-movement of the block, reaching zero when the spring regains its original 15.8-in. length. Calculate the time t for the block to go (a) 3.85 in. and (b) 7.7 in in. an , 15.8 Answers: To go 3.85 in., t= 0.038 sec To go 7.7 int- 50.056 ec

Solution

In the first question, the mistake is that... you are written 15.1 in the place of 15.8 in

replace that digits.