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The x component of the velocity of an object vibrating along the x-axis obeys the equation...

The x component of the velocity of an object vibrating along the x-axis obeys the equation vx(t) = (0.445 m/s) sin[(25.4 rad/s)t + 0.223]

1) What is the object’s acceleration when its velocity has a maximum positive value?

2) What is the object’s position x when it has a velocity of -0.200 m/s and a positive acceleration value?

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