9. Work & Energy
Net Work & Work-Energy Theorem
2:09 minutes
Problem 9c
Textbook Question
Textbook QuestionA red ball has a mass of 250 g. A constant force pushes the red ball horizontally and launches it at a speed of 15 m/s . The same force pushes a green ball through the same distance, launching it at 25 m/s. What is the mass of the green ball?
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