1. A car accelerates uniformly from rest to 20 m/s in 5 seconds. What is the magnitude of its acceleration? A) 2 m/s² B) 4 m/s² C) 5 m/s² D) 10 m/s² Correct Answer: B) 4 m/s² 2. Which of the following is not a scalar quantity? A) Speed B) Velocity C) Distance D) Temperature Correct Answer: B) Velocity 3. The first law of thermodynamics is a restatement of the conservation of: A) Momentum B) Energy C) Mass D) Charge Correct Answer: B) Energy 4. A satellite in orbit around Earth experiences a centripetal

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