A 15.0-kilogram object is moving at 7.50 meters per second on a horizontal, frictionless surface. What is the total work that must be done on the object to increase its speed to 11.5 meters per second?
A. 422 J
B. 570 J
C. 120 J
D. 992 J
(Someone please help, I can’t move on with my exam until I answer this and I have no clue how to do it)
Answers: 1
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A 15.0-kilogram object is moving at 7.50 meters per second on a horizontal, frictionless surface. Wh...
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