PLUS Session (Final Review – The Notion of Work) Directions: For the next 30 minutes, work together in groups (3-4) on the following problems/questions. Afterwards, each group will present their solutions and answer questions relating to the correct answers. Everyone must work together! GOOD LUCK! 1. A 100-pound bag of sand is lifted for 2 seconds at the rate of 4 feet per second. Find the work done in lifting the bag if the sand leaks out at the rate of half a pound per second.