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A car of mass 1000 kg accelerates from rest to a speed of 20 m/s. What is the kinetic energy gained?

Practice Questions

1 question
Q1
A car of mass 1000 kg accelerates from rest to a speed of 20 m/s. What is the kinetic energy gained?
  1. 200,000 J
  2. 100,000 J
  3. 50,000 J
  4. 20,000 J

Questions & Step-by-step Solutions

1 item
Q
Q: A car of mass 1000 kg accelerates from rest to a speed of 20 m/s. What is the kinetic energy gained?
Solution: Kinetic Energy = 0.5 * m * v² = 0.5 * 1000 kg * (20 m/s)² = 200,000 J.
Steps: 0

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