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the energy transferred by a...
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the energy transferred by a force to a moving object.
energy created by the flow of electrons through a conductor.
energy stored in chemical bonds of molecules.
energy in the form of electromagnetic radiation. most often associated with a wavelength that is visible to the eye.
random kinetic energy possessed by objects in a material at finite temperature. an object that feels hot has a lot of this.
process of changing from one form of energy to another.
the transfer of thermal energy between two bodies which are at different temperatures. the si unit for this is the joule. generally considered the raising of temperature due to thermal energy.
the spontaneous emission of energy and/or matter from the nucleus of an unstable atom. as a result of this emission, the atom may be converted into an atom of a different element.
the capacity for doing work. it may be transformed from one form to another.
this law states that, in any process, energy is neither created nor destroyed. it can only be converted from one form to another.
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chemical energy
conservation of energy
electrical energy
energy
heat
light energy
mechanical energy
radioactivity
thermal energy
transformation
Answers: 3
Physics, 21.06.2019 16:00
As shown in fig. p3.64, a closed, rigid tank fitted with a fine-wire electric resistor is filled with refrigerant 22, initially at 2108c, a quality of 80%, and a volume of 0.01 m3. a 12-volt battery provides a 5-amp current to the resistor for 5 minutes. if the final temperature of the refrigerant is 408c, determine the heat transfer, in kj, from the refrigerant.
Answers: 1
Physics, 21.06.2019 22:10
Agas is contained in a vertical, frictionless piston–cylinder device. the piston has a mass of 3.2 kg and a cross-sectional area of 35 cm2. a compressed spring above the piston exerts a force of 190 n on the piston. if the atmospheric pressure is 95 kpa, determine the pressure inside the cylinder.
Answers: 3
Physics, 22.06.2019 01:10
The x-coordinate of a particle in curvilinear motion is given by x = 3.1t3 - 4.9t where x is in feet and t is in seconds. the y-component of acceleration in feet per second squared is given by ay = 2.3t. if the particle has y-components y = 0 and vy = 5.0 ft/sec when t = 0, find the magnitudes of the velocity v and acceleration a when t = 1.8 sec. sketch the path for the first 1.8 seconds of motion, and show the velocity and acceleration vectors for t = 1.8 sec. answers: v = ft/sec a = ft/sec2
Answers: 2
Physics, 22.06.2019 15:20
What component of earth’s atmosphere exists entirely as a result of photosynthesis?
Answers: 2
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