Physics, 16.12.2019 23:31, glamourgirlno1foev
The moment of inertia of a thin ring of mass m and radius r about its symmetry axis is icm = mr2.
what is the moment of inertia of a large ring if you twirl it around your finger, so that in essence it rotates about a point on the ring, about an axis parallel to the symmetry axis?
a)2mr^2
b).5mr^2
c)1.5mr^2
d)5mr^2
e)mr^2
Answers: 1
Physics, 21.06.2019 16:30, fatback7063
In which scenario is the least amount of work done on a crate? a force of 120 n moves it 25 m. a force of 115 n moves it 26 m. a force of 130 n moves it 22 m. a force of 125 n moves it 27 m.
Answers: 1
Physics, 22.06.2019 16:50, boopiee2349
Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.
Answers: 1
The moment of inertia of a thin ring of mass m and radius r about its symmetry axis is icm = mr2.
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