Ask your own question, for FREE!
Physics 79 Online
OpenStudy (anonymous):

In one of the physics I lectures, Lewin was able to make a top spin for half an hour and more... what's the trick?

OpenStudy (anonymous):

The trick is an outside power source. One of my professors did this...with an electromagnet hidden under the desk.

OpenStudy (anonymous):

any videos?, cause i did not understand this

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Latest Questions
PureSoulless: Are these bots (except for Aeon) new?
31 minutes ago 2 Replies 0 Medals
heartbrokfirstone: What is the meaning of the word "ambivalent"
5 hours ago 0 Replies 0 Medals
heartbrokfirstone: What does the word varies mean?
5 hours ago 5 Replies 1 Medal
Wolf95: Would you rather be a famous singer or the next Einstein? Why?
6 hours ago 24 Replies 4 Medals
jayfrmdAO: what 100 to the power of 8
8 hours ago 6 Replies 2 Medals
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!