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Starting Thursday 3/19, all face-to-face physics classes will be converted to online, live classes. Please follow these steps to find your virtual classroom:
- Please log into Blackboard a few minutes before your regular meeting time,
- Under the Course Tools, find Blackboard Collaborate Ultra and click it,
- Find your course room and join. Make sure your full name is used as you enter the class so your instructor can take attendance.
Manuals for using Blackboard Collaborate Ultra can be located at https://openlab.citytech.cuny.edu/groups/physics-labs-coordination/files/
If you have any question you can send email to Physics@citytech.cuny.edu and cc to GKolmakov@citytech.cuny.edu
If humidity prevents you from getting meaningful data, please use the sample data below.
Please set the output voltage of the power supply to about 2-3V with the switch in open position.
To slow down the battery discharge, the switches should be closed only when reading an LCR meter; otherwise keep the switches open.
Functioning batteries should put out a minimum of 5 V for the 6-V ones and 10 V for the 12-V ones when measured in the closed circuit (with the switches closed).
Please be informed that on page 48 of the lab manual the starting resistance is changed to 400 Ohms in order to prevent damage due to overheating.
Additionally, please make sure no more than 12 volts be applied across the resistance box or the LED diode to avoid electric damage to the equipment.
Please ask questions or report issues that are related to lab activities by replying to this post.
To find out how the experimental apparatus works, please click this link: https://www.pasco.com/prodCompare/classic-dynamics-carts/index.cfm
Please follow these links for short demos.
1) Explosion: https://youtu.be/HYRyWWw57Pg
3) Inelastic collision: https://youtu.be/6eABJ5xpG0s
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