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AP Physics 1 Videos 69 videos
AP Physics 1: 3.3 Changes and Conservation Laws. What is the difference in work done?
AP Physics 1: 3.5 Changes and Conservation Laws. Which of the following would increase the rate at which the plate spins?
AP Physics 1: 2.4 Changes and Conservation Laws. Which of the following circuits should the students use?
AP Physics 1: 3.5 Properties of Objects and Systems 316 Views
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Description:
AP Physics 1: 3.5 Properties of Objects and Systems. Which of the following are correct explanations of the electricity principles at work in this situation?
Transcript
- 00:00
Thank you We sneak And here's your shmoop du jour
- 00:06
brought to you by clowns They just want to make
- 00:08
you laugh So they probably won't eat your face while
- 00:11
you sleep All right a clown vigorously rubs his feet
- 00:17
on the carpet He then calls on a volunteer and
Full Transcript
- 00:19
offers to shake hands with that volunteer That lovely clown
- 00:23
volunteer subsequently receives a static shock Which of the following
- 00:26
are correct explanations of the electricity principles at work in
- 00:30
this situation from the evil plan i'd like to answer
- 00:33
And here the odds Sure All right First of all
- 00:38
clowns are just really creepy Yeah There we said it
- 00:42
All right Moving on Due to the law of conservation
- 00:46
of charge we know that in a closed system the
- 00:49
total charge in the system does not increase or decrease
- 00:54
So we can safely rule out option a And after
- 00:56
delivering the shock the clown's charge wouldn't be negative because
- 01:01
he's not generating extra electrons Plus by delivering shock his
- 01:06
charge reverts to neutral So option b is incorrect too
- 01:09
But what is happening Well electrons which are the charged
- 01:12
particles that make up electricity are moving from the carpet
- 01:15
to the clown Because of this process we know that
- 01:18
option c is one of our correct answers when these
- 01:21
electrons attached themselves to the clown clan has an imbalance
- 01:25
charge and while the extra electrons needs somewhere to go
- 01:28
it's saturday night now if he just stood still the
- 01:31
electrons would gradually dissipate back into the carpet But if
- 01:36
he touches something that's conductive and has a smaller negative
- 01:40
charge than him well then sat And with that zap
- 01:44
the clown discharges the extra electrons neutralizes his own charge
- 01:48
So dee is our other correct answer Maybe we'll just 00:01:52.169 --> [endTime] get a pinata for a next party clown
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