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A solid wood door, 90.0 cm wide by 2.00 m tall has a mass of 35.0 kg. It is ajar and at rest. A ball with a mass of 500 g is thrown perpendicular to the door with a speed of 20.0 m/s and hits the door 60.0 cm from the hinged side. The ball rebounds with a speed of 16.0 m/s along the same line. What is the angular speed of the door after the collision?
Brain
The complex organ located in the skull, responsible for controlling most functions of the body and mind, including thought, memory, emotion, and motor skills.
Transitional Sleep
A phase of sleep that serves as a bridge between wakefulness and deeper stages of sleep, often characterized by light sleep.
Newborns
Infants in the very first weeks of life, characterized by rapid physical growth and development.
Half-awake State
A mental state between fully awake and fully asleep, often associated with drowsiness or the onset of sleep.
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