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6. A circular pulley of radius 0.35 [m] can rotate on frictionless bearing. A massless string passes around the pulley and is attached to a block with mass 10.0 [kg]. The block is then dropped from a height of 4.00 [m] from the ground. If the speed of the block right before it hits the ground is 9.0 [m/s], what is the angular acceleration of the pulley? 0.35 m 10 kg A. 2.90 [rad/s²] C. 28.9 [rad/s²] B. 10.1 [rad/s²] D. 48.1 [rad/s³] 4.00 m

6. A circular pulley of radius 0.35 [m] can rotate on frictionless bearing. A massless string passes around the pulley and is attached to a block with mass 10.0 [kg]. The block is then dropped from a height of 4.00 [m] from the ground. If the speed of the block right before it hits the ground is 9.0 [m/s], what is the angular acceleration of the pulley? 0.35 m 10 kg A. 2.90 [rad/s²] C. 28.9 [rad/s²] B. 10.1 [rad/s²] D. 48.1 [rad/s³] 4.00 m

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6. A circular pulley of radius 0.35 [m] can rotate on frictionless bearing. A massless string passes around the pulley and is attached to a block with mass 10.0 [kg]. The block is then dropped from a height of 4.00 [m] from the ground. If the speed of the block right before it hits the ground is 9.0 [m/s], what is the angular acceleration of the pulley? 0.35 m 10 kg A. 2.90 [rad/s²] C. 28.9 [rad/s²] B. 10.1 [rad/s²] D. 48.1 [rad/s²] 4.00 m
Transcribed Image Text:6. A circular pulley of radius 0.35 [m] can rotate on frictionless bearing. A massless string passes around the pulley and is attached to a block with mass 10.0 [kg]. The block is then dropped from a height of 4.00 [m] from the ground. If the speed of the block right before it hits the ground is 9.0 [m/s], what is the angular acceleration of the pulley? 0.35 m 10 kg A. 2.90 [rad/s²] C. 28.9 [rad/s²] B. 10.1 [rad/s²] D. 48.1 [rad/s²] 4.00 m
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