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dezzy
Questions (1)
A roll of carpet is 4 meters long.
How many pieces of carpet can be cut from the roll if each piece is to be 2/5 meter long?
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Answers (1)
Initial moment of inertia = (2/5)mass*R^2=(2/5)mass*10^16 initial angular velocity wi = 2pi /(30*60*60*24) initial angular momentum =[(2/5)mass*10^16]*(2pi /(30*60*60*24)) final moment of inertia = (2/5)mass*R^2=(2/5)mass*10^8 final angular momentum=
