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What is the power output of a motor that does 1200 J of work in 30 seconds?

Practice Questions

Q1
What is the power output of a motor that does 1200 J of work in 30 seconds?
  1. 20 W
  2. 40 W
  3. 60 W
  4. 80 W

Questions & Step-by-Step Solutions

What is the power output of a motor that does 1200 J of work in 30 seconds?
  • Step 1: Identify the amount of work done by the motor, which is 1200 Joules (J).
  • Step 2: Identify the time taken to do the work, which is 30 seconds (s).
  • Step 3: Use the formula for power, which is Power = Work / Time.
  • Step 4: Substitute the values into the formula: Power = 1200 J / 30 s.
  • Step 5: Calculate the power: 1200 divided by 30 equals 40.
  • Step 6: Conclude that the power output of the motor is 40 Watts (W).
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