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Two disks are initially at rest, each of mass M= 3.00 kg, connected by a string between their centers, as shown in the figure. The disks slide on low-friction ice as the center of the string is pulled by a string with a constant force F = 12.0N through a distance d = 2.40 m. The disks collide and stick together, having moved a distance b= 1.60 m horizontally. M String F d String

Two disks are initially at rest, each of mass M= 3.00 kg, connected by a string between their centers, as shown in the figure. The disks slide on low-friction ice as the center of the string is pulled by a string with a constant force F = 12.0N through a distance d = 2.40 m. The disks collide and stick together, having moved a distance b= 1.60 m horizontally. M String F d String

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Two disks are initially at rest, each of mass M = 3.00 kg, connected by a string between their centers, as shown in the figure. The disks slide on low-friction ice as the center of the string is pulled by a string with a constant force F= 12.0N through a distanced = 2.40 m. The disks collide and stick together, having moved a distance b= 1.60 m horizontally. M Part 1 String 0g = (a) What is the final speed of the stuck-together disks? Save for Latar d eTextbook and Media String Save for Later m/s Attempts: 0 of 10 used (b) When the disks collide and stick together, their temperature rises. Calculate the increase in internal energy of the disks, assuming that the process is so fast that there is insufficient time for there to be much transfer of energy to the ice due to a temperature difference. (Also ignore the small amount of energy radiated away as sound produced in the collisions between the disks.) Emal Submit Answer Attempts: 0 of 10 used Submit Answer
Transcribed Image Text:Two disks are initially at rest, each of mass M = 3.00 kg, connected by a string between their centers, as shown in the figure. The disks slide on low-friction ice as the center of the string is pulled by a string with a constant force F= 12.0N through a distanced = 2.40 m. The disks collide and stick together, having moved a distance b= 1.60 m horizontally. M Part 1 String 0g = (a) What is the final speed of the stuck-together disks? Save for Latar d eTextbook and Media String Save for Later m/s Attempts: 0 of 10 used (b) When the disks collide and stick together, their temperature rises. Calculate the increase in internal energy of the disks, assuming that the process is so fast that there is insufficient time for there to be much transfer of energy to the ice due to a temperature difference. (Also ignore the small amount of energy radiated away as sound produced in the collisions between the disks.) Emal Submit Answer Attempts: 0 of 10 used Submit Answer
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