1) A ball on a string is pulled 6 inches below its rest position and then releas

Question

1) A ball on a string is pulled 6 inches below its rest position and then released. The period of motion is 4 seconds. Write the equation for the ball’s simple harmonic motion.
2) An object moves in simple harmonic motion described by ?d = 12 cos (where t is measured in seconds and d in centimeters) Find: a. the maximum displacement b. the frequency c. the time required for 1 cycle 1) A ball on a string is pulled 6 inches below its rest position and then released. The period of motion is 4 seconds. Write the equation for the ball’s simple harmonic motion.
2) An object moves in simple harmonic motion described by ?d = 12 cos (where t is measured in seconds and d in centimeters) Find: a. the maximum displacement b. the frequency c. the time required for 1 cycle 1) A ball on a string is pulled 6 inches below its rest position and then released. The period of motion is 4 seconds. Write the equation for the ball’s simple harmonic motion.
2) An object moves in simple harmonic motion described by ?d = 12 cos (where t is measured in seconds and d in centimeters) Find: a. the maximum displacement b. the frequency c. the time required for 1 cycle

Explanation / Answer

1) pulled 6 inches below its rest position

period = 4 seconds

2pi/b = 4

b = 2pi/4

b = pi/2

hence, function is

y = - 6 cos ( pi/2 x )

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