b) A 5 g mass on a spring of spring constant k center point. As it passes through the middle, it is going exactly 10 m/s. What is the amplitude of the oscillation in meters? 50 N/m oscillates about a %3D

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I am completely stuck . please help. please post step-by-step solution to help me better understand . I have attached problem. Please view attachment before answering. Thank you!

a) What angular acceleration is needed to increase the angular speed of a
record player from 4 rad/s to 18 rad/s in 5 seconds?
b) A 5 g mass on a spring of spring constant k = 50 N/m oscillates about a
center point. As it passes through the middle, it is going exactly 10 m/s. What
is the amplitude of the oscillation in meters?
Transcribed Image Text:a) What angular acceleration is needed to increase the angular speed of a record player from 4 rad/s to 18 rad/s in 5 seconds? b) A 5 g mass on a spring of spring constant k = 50 N/m oscillates about a center point. As it passes through the middle, it is going exactly 10 m/s. What is the amplitude of the oscillation in meters?
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