A cyclist is riding a bicycle at a speed of about 8 m s-1.
What is a reasonable estimate for the total kinetic energy of the cyclist and their bicycle?
30 J30\text{ J}30 J
300 J300\text{ J}300 J
3000 J3000\text{ J}3000 J
300 000 J300\,000\text{ J}300000 J