Angela is an Olympic figure skater. At the end of her performance, she spun. Her weight is 53 kg, and her initial moment of inertia and angular velocity are 3.0 kg m? and 0.5 revis, respectively. a. Find her angular acceleration as she pulls her arms in to her stomach if her final moment of inertia is 2.2 kg m2 after 1.1 s.
Angela is an Olympic figure skater. At the end of her performance, she spun. Her weight is 53 kg, and her initial moment of inertia and angular velocity are 3.0 kg m? and 0.5 revis, respectively. a. Find her angular acceleration as she pulls her arms in to her stomach if her final moment of inertia is 2.2 kg m2 after 1.1 s.
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Part a and b
Transcribed Image Text:Angela is an Olympic figure skater. At the end of her performance, she spun. Her weight is 53 kg, and her initial moment of
inertia and angular velocity are 3.0 kg m? and 0.5 rev/s, respectively.
a. Find her angular acceleration as she pulls her arms in to her stomach if her final moment of inertia is 2.2 kg m² after 1.1
s.
Transcribed Image Text:Before
After
b. Find Angela's initial and final kinetic energy
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