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[DOCX File]www.animatedscience.co.uk
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(b) To lift the weight, the weightlifter does 4500 joules of work in 3.0 seconds. Use the following equation to calculate the power developed by the weightlifter. Show clearly how you work out your answer.
how many watts in a joule

[DOC File]Physics Unit 1a Revision (higher tier)
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Power is measured in watts (W) and it is the amount of energy transferred in one second. So a 60W bulb transfers 60 Joules of energy every second. To know how much electrical energy you have used, you need to multiple the power of the device by the number of hours it has been on for.
convert joules to watts

[DOCX File]Semiconductors and the Built-In Electric Field for ...
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To create an electric field within a crystalline silicon photovoltaic (PV) cell, two silicon semiconductor layers are sandwiched together. P-type (or positive) semiconductors have an abundance of positively charged holes, and n-type (or negative) semiconductors have an …
joule watt calculator

[DOC File]Physical Science
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a. about 500 watts b. about 500 newtons c. about 4500 watts. d. about 4500 newtons. 25. The kinetic energy of an object is the energy it has because: a. of its location b. of its mass only c. of its velocity only. d. of its mass and velocity. 26. T or F: Your pencil is attracted to the giant red star Antares which is over 300. light years from ...
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[DOC File]Electrostatics Problems
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4. A light bulb with a resistance of 50 is rated at 75 Watts. Find: (a) the current in the bulb (b) the voltage across the resistor (c) the amount of thermal energy generated each minute (1.22 A, 61 V, 4500 J) 5. A 100 Watt light bulb is connected to a 12 V battery. Find: (a) current through the bulb (b) the resistance of …
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[DOCX File]Energy, power and climate change
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The following graphs show what percentages of the different energy sources are used worldwide. They take into account all use of fuel, including transport. The amount of energy used depends on how much time you measure the consumption for, and for that reason the units used are watts (joules/second).
joule and watt

[DOC File]Physical Science
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a. about 500 watts b. about 500 newtons c. about 50 watts. d. about 4500 newtons. 25. The gravitational potential energy of an object is the energy it has because: a. of its location and mass b. of its mass only c. of its velocity only. of its mass and velocity 26. An absentminded astronaut leaves a monkey wrench 10 feet from a satellite
225 watts to joules

[DOC File]Commercial Thunder and Lightning
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Diversitronics makes a wide array of strobes, including this DMX "strobe cannon" that advertises "High output 30 Joules/flash, 600,000 candela, 4500 Watts peak flash." Wow! Most of their strobes also offer "Hyperflash", a feature that allows long flashes. This should be very helpful to the lightning-lovers, because it provides the color and ...
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[DOCX File]Fiendishlyclever – Rob Butler – Fiendishlyclever Science ...
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Watts (2) (Total 5 marks) * ** *** State the formula and units for calculating work. Extract information from questions to calculate work. Calculate work using real examples. ... To lift the weight, the weightlifter does 4500 joules of work in 3.0 seconds.
how many watts in a joule

4500 joules to watts