WebThe megajoule is approximately the kinetic energy of a one megagram (tonne) vehicle moving at 161 km/h (100 mph). The energy required to heat 10 L of liquid water at constant pressure from 0 °C (32 °F) to 100 °C (212 °F) is approximately 4.2 MJ. One kilowatt-hour of electricity is 3.6 megajoules. Gigajoule WebNov 23, 2011 · If the battery supplies 1 amp, it provides 24 Joules per second. at 5 amps, it supplies 120 Joules per second. The power equals the voltage times the current, and then the energy supplied...

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WebThe unit name “joule” is in honor of the English physicist James Prescott Joule. Electron Volt : Electron volt (also written electronvolt) is a measurement unit of energy equal to 1.602176565(35)×10−19 J. It is defined as the amount of energy gained ( or lost) by the charge of a single electron moved across an electric potential ... 1 joule is equal to (approximately unless otherwise stated): 107 erg (exactly) 6.241 509 74 × 1018 eV 0.2390 cal (gram calories) 2.390 × 10−4 kcal (food calories) 9.4782 × 10−4 BTU 0.7376 ft⋅lb (foot-pound) 23.7 ft⋅pdl (foot-poundal) 2.7778 × 10−7 kW⋅h (kilowatt-hour) 2.7778 × 10−4 W⋅h (watt-hour) 9.8692 × 10−3 latm … See more The joule is the unit of energy in the International System of Units (SI). It is equal to the amount of work done when a force of 1 newton displaces a mass through a distance of 1 metre in the direction of the force applied. It is … See more One joule represents (approximately): • The amount of electricity required to run a 1 W device for 1 s. • The energy required to accelerate a 1 kg mass at 1 m/s through a distance of 1 m. • The kinetic energy of a 2 kg mass travelling at 1 m/s, or a 1 kg mass travelling at 1.41 See more 1 joule is equal to (approximately unless otherwise stated): • 10 erg (exactly) • 6.24150974×10 eV • 0.2390 cal (gram calories) See more In terms of SI base units and in terms of SI derived units with special names, the joule is defined as One joule can also … See more The cgs system had been declared official in 1881, at the first International Electrical Congress. The erg was adopted as its unit of energy in 1882. See more Zeptojoule 160 zeptojoule is about one electronvolt. The minimal energy needed to change a bit at around room temperature – … See more In mechanics, the concept of force (in some direction) has a close analogue in the concept of torque (about some angle): A result of this similarity is that the SI unit for torque is the newton-metre, which works out algebraically to have the same dimensions as … See more normandy tenant portal

How Many Volts Does a Joule Equal? - Reference.com

WebMar 31, 2024 · To find out how much energy a 60W light bulb consumes in 120 seconds, simply multiply (60 watts) x (120 seconds) = 7200 Joules. [8] This formula works for any form of power measured in watts, but electricity is the most common application. Method 3 Calculating Kinetic Energy in Joules 1 Understand kinetic energy. WebJoules (J) to watts (W) calculator. Enter the energy in joules, time period in seconds and press the Calculate button: Watts to joules calculator Joules to watts calculation The … WebMay 29, 2024 · With high-energy biphasic defibrillators, you need 360 Joules of energy to deliver the maximum current to the heart, approximately 16 Amps in a high-impedance … normandy terrace apartments west des moines