If a car accelerates from rest to a speed of 20 m/s, what is the kinetic energy of the car if its mass is 1000 kg?

Practice Questions

1 question
Q1
If a car accelerates from rest to a speed of 20 m/s, what is the kinetic energy of the car if its mass is 1000 kg?
  1. 200,000 J
  2. 100,000 J
  3. 50,000 J
  4. 400,000 J

Questions & Step-by-step Solutions

1 item
Q
Q: If a car accelerates from rest to a speed of 20 m/s, what is the kinetic energy of the car if its mass is 1000 kg?
Solution: Kinetic Energy = 0.5 × mass × velocity² = 0.5 × 1000 kg × (20 m/s)² = 200,000 J
Steps: 0

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