Calculating power physics
[DOC File]Energy and Power Lab
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PHYSICS: Energy and Power Lab. You have already learned how to calculate 3 electrical quantities: voltage, current, and resistance. Now you will practice calculating a fourth quantity, power. You will find the power ratings of electrical appliances and use this information to estimate electrical costs.
[DOC File]Teaching Advanced Physics
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Power in watts – rate of energy use; operating potential difference in volts, pd at which it is designed to work. 2. Bulb Power / W pd / V Current / A Resistance / Headlamp 36 12 3.0 4.0 Torch bulb 0.09 3 0.03 100 Filament bulb 100 230 0.43 530 Flashlight bulb 4.5 9 0.5 18 Energy Saving bulb 24 230 0.10 2200
[DOC File]Name
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4. If a man moves a large box that weighs 10 Newtons 20 meters in 30 seconds, how much power . was used? B. Fill-in-the-blank: 1. _____ is the rate at which work is done. When calculating power, you should use the formula P = _____ divided by
[DOC File]Calculating Work and Power by Climbing Stairs
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Work and Power Lab. Calculating Work and Power by Lifting Objective: To calculate the work you do, and power you generate, from everyday tasks. Materials: stop watch, weight of object, meter stick/metric ruler, calculator, measured vertical distance. Part I. Measure the total height of the table in . cm. and record it in . m. in table 1.
[DOC File]Calculating Work and Power by Climbing Stairs
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Calculating Work and Power by Climbing Stairs Name:_____ Introduction: In this activity, you will find out if a person does more work walking up a flight of stairs or running up the same flight of stairs by having you or someone else actually do this. You will also lean what scientists mean by the words work and power.
[DOC File]Work, Power and Energy Worksheet
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Work and Power. 1. Calculate the work done by a 47 N force pushing a pencil 0.26 m. 2. Calculate the work done by a 47 N force pushing a 0.025 kg pencil 0.25 m against a force of 23 N. ... A physics teacher exerts a force upon a 3.29-kg pile of snow to both lift it and set it into motion. The snow leaves the shovel with a speed of 2.94 m/s at a ...
[DOC File]Physics 11 - Work, Power, Energy Worksheet
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Physics 11 - Work, Power, Energy Worksheet Author: KSS Last modified by: user Created Date: 4/28/2008 6:58:00 PM Company: SD69 Other titles: Physics 11 - Work, Power, Energy Worksheet ...
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