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Homework Statement
A Physics textbook weighing 3 kg needs must be launched into a nearby trash can. The velocity necessary to accomplish this feat is 4 meters per second when unleashed in its flight.
Assume no wind resistance.
What energy is necessary to accomplish this deed?
Homework Equations
Kinetic energy = .5 * mass * velocity^2
The Attempt at a Solution
.5 * 3 kg * 16 m^2 s^-2 = 24 Joules
Kosher? Thoughts?