A long thin rod of length L has a linear density ?(x) = A(L-x)2 where x is the distance from the left end of the rod. (a) How far is the center of mass of the rod from the left end of the rod? (b) What is the mass of the rod?
What will be an ideal response?
(a) L/4
(b) AL3/3
Physics & Space Science
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A) 85 W. B) 170 W. C) 289 W. D) 220 W. E) 145 W.
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Four equal resistors connected in series have same current and same voltage across each resistor
Indicate whether the statement is true or false
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In contrast to the photosphere's continuum, the spectrum of the chromosphere is dominated by ________ lines
Fill in the blank(s) with correct word
Physics & Space Science
If you increase the tension of a string the velocity of the wave in the string
A. increases B. decreases C. does not change
Physics & Space Science