Asked by ashley --- HELP PLEASEE!!!

A 15.0-kilogram mass is moving at 7.50 meters per second on a horizontal, frictionless surface. What is the
total work that must be done on the mass to increase its speed to 11.5 meters per second?
Answered by Damon
work done = change in kinetic energy

= (1/2) (15)(11.5^2 - 7.5^2)
Answered by Tyanna
1140
Answered by Joseph
570J is the correct answer
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