Suppose a wire of density ρ(x, y) = 15( x + 2 )^1/2 lies along the curve c given by x = (y /2) ^2 − 1 , and between −2 ≤ y ≤ 2
find the center of mass of the wire

total distance travelled = 60 miles

total time taken =1.5 hours

average speed = total distance / total time

60 / 1.5

= 40

therefore, average speed = 40 m/h

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d. violin, clarinet, french horn, and tuba

a 2,000 calorie based diet.