WebHow many joules of energy are expended in 25 minutes of pedaling? a. 1,200,000 J b. 2,000 J c. 120,000 J d. 12,000 J c. 120,000 J An object moves 100 m along a frictionless horizontal table at a constant speed. The object weighs 50 N. The work done on the object by the gravitational force is ___________. a. 5000 J b. 2 J c. 0 J d. 100 J c. 0 J WebJun 29, 2024 · 1 short ton (2,000 pounds) of coal (consumed by the electric power sector) = 18,934,000 Btu 1 kilowatthour of electricity = 3,412 Btu Examples of converting energy …
Answered: A crate of fruit with a mass of 31.0 kg… bartleby
WebMultiplying by 2,000 pounds/ton, we get 714 pounds ( 325 kg) of coal. That is a pretty big pile of coal, but let's look at what else was produced to power that light bulb. A typical 500-megawatt coal power plant produces 3.5 billion kWh per year. That is enough energy for 4 million of our light bulbs to operate year round. WebScience Physics A crate of fruit with a mass of 31.0 kg and a specific heat capacity of 3600 J/ (kg K) slides 8.40 m down a ramp inclined at an angle of 39.4 degrees below the horizontal. If the crate was at rest at the top of the incline and has a speed of 2.85 m/s at the bottom, how much work Wf was done on the crate by friction? Blank 1 Joules. flashback fountain and grill
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WebNov 9, 2014 · They are all measurements in the Unit of the Joule. The prefix Kilo means 1000, and the prefix Mega means 1,000,000. So one KiloJoule is 1000 Joules, and one … WebSep 20, 2024 · For every kilogram of coal that gets burned, a total of 2.312 × 10 7 Joules of energy gets released, meaning we need to burn a total of 24 billion tonnes of coal in order to meet Earth's... WebBurning 1 kg of coal produces about 450 kWh of energy. How many kg of coal are required to meet the energy needs of the city for 1 day? For 1 yr? c. Fission of 1 gram of uranium-235 (U-235) produces about 16,000 kWh of energy. How many grams of uranium are needed to meet the energy needs of the city for 1 day? For 1 yr? d. can taking atorvastatin cause hair loss