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1. Dictionary

   en·er·gy

   /ˈenərjē/

   noun

   • 1. the strength and vitality required for sustained physical or mental activity: "changes in the levels of vitamins can affect energy and well-being" Similar vitalityvigorlifelivelinessanimationvivacityspiritspiritednessfirepassionardorzealverveenthusiasmzestvibrancysparksparkleeffervescenceexuberancebuoyancyperkinesssprightlinessstrengthstaminaforcefulnesspowermightpotencydynamismdrivepushinformal:zipzingpeppizzazzpunchbouncefizzoomphgoget-up-and-govim and vigorfeistiness
   • ▪ a person's physical and mental powers, typically as applied to a particular task or activity: "an alternative is to devote your energies to voluntary work"
   • 2. power derived from the utilization of physical or chemical resources, especially to provide light and heat or to work machines: "nuclear energy" Similar power
   • 3. the property of matter and radiation which is manifest as a capacity to perform work (such as causing motion or the interaction of molecules): "a collision in which no energy is transferred"
   • ▪ a degree or level of energy possessed by something or required by a process: "gamma rays at different energies"

   Word Origin mid 16th century (denoting force or vigor of expression): from French énergie, or via late Latin from Greek energeia, from en- ‘in, within’ + ergon ‘work’.

   Scrabble Points: 10

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   Heat and energy are both measured in joules, yet are not quite the same thing. Explain what is the distinction between the two In a calorimetry experiment in a Chemistry for Engineers Laboratory class, a 12.9 - g sample of aluminum is heated in a water bath until its temperature is 93 degrees Celsius.

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   Answer – Mechanical energy is the sum of kinetic energy and potential energy associated with the motion and position of an object. Explanation: Mechanical energy is a form of energy that results from the physical movement or position of an object in a system.

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