urses/10550/quizzes/60337/take An elevator cable breaks when a 925-kg elevator is 28.5 m above the top of a huge spring (k - 8.00 x 10* N/m) at the bottom of the shaft. Calculate (a) the work done by gravity on the elevator before it hits the spring; (b) the speed of the elevator just before striking the spring: (c) the amount the spring compresses (note that here work is done by both the spring and gravity). Upload Choose a File Question 14 15 pts O a