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What is the formula for horsepower?

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The Apollo IE at Goodwood Festival of Speed 2018
Retry Correct Incorrect Horsepower is characterized by the power needed to lift a 550 lb object over a period of time. One horsepower measures out to 33,000 lb ft/minute. If you lift over that amount, you’ll be working at a rate of one horsepower.
Martyn Lucy/Getty Images
Martyn Lucy/Getty Images

What is the formula for horsepower?

  • 1 HP = gallons consumed per minute
  • 1 HP = power needed to lift 550 lbs
  • 1 HP = power needed to reach 100 mph
  • 1 HP = max torque speed per minute
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