Three identical coins lie on three corners of a square a = 15.0cm on a side, as
ID: 1286014 • Letter: T
Question
Three identical coins lie on three corners of a square a = 15.0cm on a side, as shown in (Figure 1) .
A.
Determine the x coordinate of the center of gravity of the three coins.
Express your answer to three significant figures and include the appropriate units.
B.
Determine the y coordinate of the center of gravity of the three coins.
Three identical coins lie on three corners of a square a = 15.0cm on a side, as shown in (Figure 1) . A. Determine the x coordinate of the center of gravity of the three coins. Express your answer to three significant figures and include the appropriate units. B. Determine the y coordinate of the center of gravity of the three coins. Express your answer to three significant figures and include the appropriate units.Explanation / Answer
Mass of each coin m1 = m2 = m3 = m
Coordinates are m1( 0,0 ) , m2( 15,0) , m3( 0,15)
X-coordinate of the center of gravity of the threecoins = [ m*0+m*15+m*0 ] / ( m+ m+ m)
= 15m/3m
= 5 cm
Y-coordinate of the center of gravity of the threecoins = [ m*0+m*0+m*15 ] / ( m+ m+ m)
= 15m/3m
= 5 cm
Coordinates of center of gravity are (5 cm, 5 cm)
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