Mathematics, 08.04.2020 04:36 meghan0123
A mass weighing 20 pounds stretches a spring 6 inches. The mass is initially released from rest from a point 4 inches below the equilibrium position.
(a) Find the position x of the mass at the times t = Ο/12, Ο/8, Ο/6, Ο/4, and 9Ο/32 s. (Use g = 32 ft/s2 for the acceleration due to gravity.) x(Ο/12) = ft x(Ο/8) = ft x(Ο/6) = ft x(Ο/4) = ft x(9Ο/32) = ft
(b) What is the velocity of the mass when t = 3Ο/16 s? ft/s In which direction is the mass heading at this instant? upward downward
(c) At what times does the mass pass through the equilibrium position? , n = 0, 1, 2,
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