An object that is 0.5 m above the ground has the same
amount of potential energy as a spring that is stretched
0.5 m. Each distance is then doubled
How will the potential energies of the object and the
spring compare after the distances are doubled?
The gravitational potential energy of the object will
be two times greater than the elastic potential energy
of the spring
The elastic potential energy of the spring will be four
times greater than the gravitational potential energy
of the object
The elastic potential energy of the spring will be two
times greater than the gravitational potential energy
of the object
The potential energies will remain equal to one
another
Answers: 3
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In a system, when potential energy decreases, then entropy also decreases. true false
Answers: 2
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Carbon is allowed to diffuse through a steel plate 15 mm thick. the concentrations of carbon at the two faces are 0.65 and 0.30 kg c/m^3 fe, which are maintained constant. if the preexponential and activation energy are 6.2 x 10-7 m2 /s and 80,000 j/mol, respectively, compute the temperature at which the diffusion flux is 1.43 x 10^-9 kg/m^2 -s.
Answers: 3
An object that is 0.5 m above the ground has the same
amount of potential energy as a spring that i...
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