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What is magnitude of energy in erg?

What is magnitude of energy in erg?

≡ 1 erg. 1.6×10−7 J.

What are the typical units for specific energy?

The SI unit for specific energy is the joule per kilogram (J/kg).

How much energy is a million joules?

The megajoule (MJ) is equal to one million (106) joules, or 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.

Is NM a unit of energy?

One newton-metre is the torque resulting from a force of one newton applied perpendicularly to the end of a moment arm that is one metre long. The unit is also used less commonly as a unit of work, or energy, in which case it is equivalent to the more common and standard SI unit of energy, the joule.

What is erg a unit of?

The erg is a unit of energy equal to 10−7 joules (100 nJ). It originated in the centimetre–gram–second (CGS) system of units. It has the symbol erg. The erg is not an SI unit.

What is the unit of 1 joule?

joule, unit of work or energy in the International System of Units (SI); it is equal to the work done by a force of one newton acting through one metre. Named in honour of the English physicist James Prescott Joule, it equals 107 ergs, or approximately 0.7377 foot-pounds.

Is kWh a unit of energy?

The kilowatt-hour (symbolized kWh) is a unit of energy equivalent to one kilowatt (1 kW) of power expended for one hour (1 h) of time. 1 kWh = One thousand watt hours.

What are the 4 units of energy?

Common Units of energy

• Barrel of oil.
• Calorie.
• Horsepower.
• Joule (J)
• Kilowatt-hour (kWh)
• Kilowatt (kW)
• Megajoule (MJ)
• Megawatt (MW)

What is EJ unit?

(metrology) Symbol for exajoule, an SI unit of work or energy equal to 1018 joules.

What are the units of Joules?

One joule equals the work done (or energy expended) by a force of one newton (N) acting over a distance of one meter (m). One newton equals a force that produces an acceleration of one meter per second (s) per second on a one kilogram (kg) mass. Therefore, one joule equals one newton•meter.

What is the SI unit of energy density?

J/m3

Energy density
SI unit J/m3
Other units J/L, W⋅h/L
In SI base units m−1⋅kg⋅s−2
Derivations from other quantities U = E/V