2. A 10 kg block is attached to a 20 kg pulley which is a solid disk of radius 2m. The block is released from rest causing the disk to spin. (a) What is the angular acceleration of the disk? (b) how fast is the block falling after 8 seconds?

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2. A 10 kg block is attached to a 20 kg pulley which is a solid
disk of radius 2m. The block is released from rest causing
the disk to spin. (a) What is the angular acceleration of the
disk? (b) how fast is the block falling after 8 seconds?
Transcribed Image Text:2. A 10 kg block is attached to a 20 kg pulley which is a solid disk of radius 2m. The block is released from rest causing the disk to spin. (a) What is the angular acceleration of the disk? (b) how fast is the block falling after 8 seconds?
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