Name _____________________ Period __________ Energy Calculations Worksheet 1. A shot putter heaves a 7.26kg shot with a final velocity of 7.5m/s. What is the kinetic energy of the shot? Known Equation Unknown Fill in Solution 2. A 2kg textbook is lifted from the floor to a shelf 2.10m above the floor. (a) What is the gravitational potential energy of the book relative to the floor? Known Equation Solution Unknown Known Unknown Fill in (b) What is its gravitational potential energy relative to the head of a 1.65m tall person? Equation Solution Fill in 3. Missy Diwater, the former platform diver for the Ringling Brother's Circus, had a kinetic energy of 12 000 J just prior to hitting the bucket of water. If Missy's mass is 40 kg, then what is her speed? Known Equation Solution Unknown Fill in 4. A 98N sack of grain is hoisted to a storage room 50m above the ground floor of a grain elevator. What is the potential energy of the sack of grain at this height? Known Equation Solution Unknown Define the following: Kinetic Energy GPE Mechanical Energy Elastic Potential Energy Chemical Potential Energy Law of Conservation of Energy Joule What are the 3 things you need to remember when solving a conservation of energy calculation?