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Is Mr Firth more powerful than a light bulb?

Is Mr Firth more powerful than a light bulb? . What is Power?. Power is measured in watts (W) and tells you how much energy a device can transfer in one second. . Naomi. Mr Firth. Can lift a dumbell in 0.5 seconds, this gives the dumbell 150 J of gravitational potential energy.

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Is Mr Firth more powerful than a light bulb?

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  1. Is Mr Firth more powerful than a light bulb?

  2. What is Power? • Power is measured in watts (W) and tells you how much energy a device can transfer in one second. Naomi

  3. Mr Firth • Can lift a dumbell in 0.5 seconds, this gives the dumbell 150 J of gravitational potential energy. • What is his power? Power (W) = Energy transferred (J) / Time (s)

  4. Light Bulb • Can transfer 5000J of electrical energy into light energy in 25 seconds. • What is it’s power? Power (W) = Energy transferred (J) / Time (s)

  5. Power Calculations • Complete summary questions

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