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If a machine does 500 Joules of work in 10 seconds, what is its power output?

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Question: If a machine does 500 Joules of work in 10 seconds, what is its power output?

Options:

  1. 50 Watts
  2. 100 Watts
  3. 200 Watts
  4. 500 Watts

Correct Answer: 100 Watts

Solution: 

Power is calculated as work done divided by time taken. Here, Power = 500 J / 10 s = 50 W.

If a machine does 500 Joules of work in 10 seconds, what is its power output?

Practice Questions

Q1
If a machine does 500 Joules of work in 10 seconds, what is its power output?
  1. 50 Watts
  2. 100 Watts
  3. 200 Watts
  4. 500 Watts

Questions & Step-by-Step Solutions

If a machine does 500 Joules of work in 10 seconds, what is its power output?
  • Step 1: Understand that power is the rate at which work is done.
  • Step 2: Know the formula for power, which is Power = Work / Time.
  • Step 3: Identify the work done, which is 500 Joules.
  • Step 4: Identify the time taken, which is 10 seconds.
  • Step 5: Plug the values into the formula: Power = 500 J / 10 s.
  • Step 6: Calculate the result: 500 divided by 10 equals 50.
  • Step 7: Conclude that the power output is 50 Watts.
  • Power Calculation – Power is defined as the rate at which work is done, calculated by dividing the total work done by the time taken.
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