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This physics worksheet provides six practice questions on work, energy, and power, featuring diagrams and graphs for visual problem solving.

Physics worksheet with six questions on work, energy, and power, including diagrams for friction, bungee jumping, and velocity graphs.

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Show Answer Key & Explanations Step-by-step solution for: Understanding Work, Energy, and Power

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Final Answer:
Q1: (i) 360 J (ii) −60 J (iii) 300 J (iv) 300 J
Q2: (i) 4.9 J (ii) From graph: area under F–x curve from 0 to 5 m = 12.5 J → work by air resistance = −12.5 J (iii) v ≈ 8.4 m/s
Q3: (i) −1911 J (ii) 1911 J (iii) 1911 J
Q4: (i) 39.2 J (ii) 31.2 J (iii) 2.0 m/s
Q5: (i) 11.025 J (ii) 30 cm
Q6: (i) 18 kW (ii) ≈ 120 kJ

Parent Tip: Review the logic above to help your child master the concept of work physics worksheet.

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