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Which graph best represents the following situation?
A
What best represents the energy changes taking place while a pen is falling from a table to the floor?
As the pen falls, potential energy is converted into kinetic energy. At the moment of impact with the floor, some of the kinetic energy is transferred as sound and thermal energy.
What is the best synonym for potential energy?
If you refer to gravitational potential energy, you may call it "gravitational energy". However, potential energy may refer to a variety of energy types, including chemical and nuclear energy. You might informally call it "energy of position", but that is not very accurate.
Which of the following represents the best defense against dictionary attacks?
Certificates
Which of the following graphs best represents speed on a graph?
Distance and time
What best describes mechanical energy?
combined potential and kinetic energy (:mass and velocity
Which is the best synonym for potential energy?
A.Stored energyB.Energy in motionC.Energy due to its gravityD. Mechanical energy
Which is the best term to use when describing the energy of position?
Potential energy.
What is potential energy and how is it best described as a form of energy?
Potential energy is the energy that an object has due to its position or condition. It is best described as a form of energy that is stored and can be converted into other forms of energy, such as kinetic energy, when the object moves or changes position.
Which of the following is the best definition of a zero energy state?
the lowest achievable energy state; the de-energization of electrical sources that includes discharging capacitive and inductive elements (absence of voltage and current) and blocking or totally releasing mechanical energy (kinetic or potential).
What statement best describes the potential energy diagram of an endothermic reaction?
The potential energy of the products is greater than the potential energy of the reactants.
Which of the following is the best definition of a zero-energy state?
the lowest achievable energy state; the de-energization of electrical sources that includes discharging capacitive and inductive elements (absence of voltage and current) and blocking or totally releasing mechanical energy (kinetic or potential
