Barrons AP Calculus - David Bock

(D)

(E) none of these

ARC LENGTH

55. The length of one arch of the cycloid equals

(A)

(B)

(C)

(D)

(E)

BC ONLY

56. The length of the arc of the parabola 4x = y^2 cut off by the line x = 2 is given by the integral

(A)

(B)

(C)

(D)

(E) none of these

BC ONLY

57. The length of x = et cos t, y = et sin t from t = 2 to t = 3 is equal to
    (A)
    (B)
    (C) 2(e^3 − e^2 )
    (D) e^3 (cos 3 + sin 3) − e^2 (cos 2 + sin 2)
    (E) none of these