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2. A spring measuring 4 feet long measures 6 feet when a mass of 16 pounds is attached. The mass is released from a point 2 feet above the equilibrium position with an upward velocity of 4 feet per second. a) Find the equation of motion in the form x(t)= Asin(ext+). Express A as an exact value and express the value of as a decimal value in radians such that 0≤<2. Round the value of to 4 decimal places. b) Find the time that the mass passes through the equilibrium position for the second time. Express your value in seconds and round to 2 decimal places. You must algebraically for the time.

2. A spring measuring 4 feet long measures 6 feet when a mass of 16 pounds is attached. The mass is released from a point 2 feet above the equilibrium position with an upward velocity of 4 feet per second. a) Find the equation of motion in the form x(t)= Asin(ext+). Express A as an exact value and express the value of as a decimal value in radians such that 0≤<2. Round the value of to 4 decimal places. b) Find the time that the mass passes through the equilibrium position for the second time. Express your value in seconds and round to 2 decimal places. You must algebraically for the time.

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2. A spring measuring 4 feet long measures 6 feet when a mass of 16 pounds is attached. The mass is released from a point 2 feet above the equilibrium position with an upward velocity of 4 feet per second. a) Find the equation of motion in the form x(t)= Asin(at+). Express A as an exact value and express the value of as a decimal value in radians such that 0≤<2. Round the value of to 4 decimal places. b) Find the time that the mass passes through the equilibrium position for the second time. Express your value in seconds and round to 2 decimal places. You must algebraically for the time.
Transcribed Image Text:2. A spring measuring 4 feet long measures 6 feet when a mass of 16 pounds is attached. The mass is released from a point 2 feet above the equilibrium position with an upward velocity of 4 feet per second. a) Find the equation of motion in the form x(t)= Asin(at+). Express A as an exact value and express the value of as a decimal value in radians such that 0≤<2. Round the value of to 4 decimal places. b) Find the time that the mass passes through the equilibrium position for the second time. Express your value in seconds and round to 2 decimal places. You must algebraically for the time.
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