Answers to last night's practice w/s:
1. 130 km/h
2. 2 m/s
3. 24,000,000km or 24 million km 2.4x10^7 km, or 24 Gm
4. 0.085s
5. 18.5m
6. 34,545s (9.6h)
Announcement - Time Vault from 1998 to be opened tomorrow in room 314 at 7:10am. Read the (uncensored and previously unread) comments from 1998 teens after school in Science & Discovery Club. 2:30-3:30
Lab today: BB in a glass tube - analyzing its motion and how slope affects it.
Finish graphing on your own; we will discuss the post-lab analysis portion tomorrow in class and I will work a couple of examples.
Get a copy of the lab instruction sheet here.
Were you absent? Here's the makeup version of the lab.
Physics students: Labs will be collected tomorrow. You should have five; BB, calculating g, wheel and axle, human R/T, and the lab practical from today: finding time that a falling object interrupts a sensor beam.
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