p06 041

background image

41. For the puck to remain at rest the magnitude of the tension force T of the cord must equal the gravita-

tional force M g on the cylinder. The tension force supplies the centripetal force that keeps the puck in
its circular orbit, so T = mv

2

/r. Thus M g = mv

2

/r. We solve for the speed: v =



M gr/m.


Document Outline


Wyszukiwarka

Podobne podstrony:
p06 027
p06 026
p37 041
P31 041
p03 041
041 Star system, czyli Filmowy Olimp
p06 016
p06 007
P18 041
p06 070
p02 041
p06 064
p06 029
p06 015
p41 041
p06 057

więcej podobnych podstron