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?