The power output of a runner using 1100 kJ in an hour would be 0.31 kW (310 watts). Power is calculated by dividing the energy used (in joules or kilojoules) by the time taken (in seconds or hours).
We pay for the electricity by the kilowatt hour. An energy-efficient lightbulb has a low kilowatt usage rating.
The Huntley power station uses coal and gas to produce electricity.
Solar power uses photovoltaic cells to convert sunlight into electricity, while wind power uses turbines to convert the kinetic energy of wind into electricity. Solar power is dependent on sunlight, whereas wind power is dependent on wind speed and consistency. Both are renewable sources of energy, but they rely on different natural elements for generation.
The energy consumption of a blender can vary depending on its size and power rating. On average, a typical household blender uses around 300 to 1000 watts of power when in use. This translates to approximately 0.3 to 1 kWh of energy consumption per hour of operation.
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Sprinter uses high power and short time, while a marathoner uses low power over a long time.
The heater uses 1000 watts of power at every instant it is running. If it runs for 1 hour, it uses 1000 watt-hours of energy. That is called a kilowatt-hour or a Unit. So it it uses 1 kilowatt-hour per hour.
Hybrid cars get their power from the engine. When you went pass 30 miles per hour, it uses gasoline that is stored in the car. When it is going less than 30 miles per hour, it uses electricity from the engine to power the car.
The bulb's power, 75 watts, is the power it uses continuously all the time it is switched on. The energy it uses can be measured in watt-seconds (Joules) or in watt-hours. A 75 watt bulb uses 75 watt-hours each hour, which is 0.075 kilowatt-hour.
A 100 w light bulb uses one tenth of a kilowatt of power, therefore in 1 hour it uses one tenth of a kilowatt-hour of energy, that is 0.1 units, or 1.5 p.
Anything that uses 40 kilowatts would use 40 kilowatt-hours for each and every hour.
When a pitcher uses their strength to force out a runner on base in baseball, it means that the pitcher throws the ball quickly and accurately to a fielder who then tags or throws the ball to a base to get the runner out before they reach the base safely.
look at the panel on the back near the line cord. or the manual. But time is not a factor. If it uses 50 watts, it uses that power for 5 minutes, an hour, a week.
not much but it needs to charge ........................................................................................................................................................................................................................................................................ not much but it needs to charge ........................................................................................................................................................................................................................................................................
Power = energy / time Energy = power x time If you operate an electrical appliance for a while, then the amount of energy it used is (power it uses when it's turned on) times (length of time it's turned on). (power) x (time) is the amount of energy used. That's what you're billed for, and what you pay your local utility. Turn on a 1-KW appliance, and run it for 1 hour, it uses 1 kilowatt-hour of energy, and that's what you'll pay for.
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No it uses little power