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Force, energy and momentum

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Question 67

A modern high-speed passenger train travels at a cruising speed of 300 km h-1 on a level track. What is a reasonable estimate of its kinetic energy at this speed?

107 J10^7\text{ J}107 J

109 J10^9\text{ J}109 J

1011 J10^{11}\text{ J}1011 J

1013 J10^{13}\text{ J}1013 J

Force, energy and momentum Questions

  1. A Level
  2. /Physics
  3. /Force, energy and momentum