Physics, 04.03.2021 16:40 sandyyknguyen2155
A solid metal cube of sides 10cm, is heated from 10 celsius to 60 celsius. If the linear expansivity of the metal is 1.2×10^-5k calculate the increase in its volume
Answers: 2
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What is required for an electric charge to flow through a wire? zero resistance in the wire a balance of electric potential high resistance in the wire a difference in electric potential
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Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.
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Choose a synonym for the underlined homonym (a word with two or more meanings). i did not expect the boat to rock so much. a. boulder c. astound b. sway d. shock
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Two steel balls, each of mass m, are welded to a light rod of length l and negligible mass and are initially at rest on a smooth horizontal surface. a horizontal force of magnitude f is suddenly applied to the rod as shown. determine (a) the instantaneous acceleration a of the mass center g and (b) the corresponding rate at which the angular velocity of the assembly about g is changing with time.
Answers: 2
A solid metal cube of sides 10cm, is heated from 10 celsius to 60 celsius. If the linear expansivity...
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