Posted by nikki on Thursday, March 17, 2011 at 6:06pm.
momentum is conserved
Io*wo=In*wn
wn/wo=Io/Inew
but angular velocity=2PI/period
then
Periodorig/periodnwe=Io/In
period new= periodold*(..331/.332)
=24hrs*3600sec/hr*(.332/.331)
change in period
period new-period old
change in period=24*3600(.332-.331)/.331
I get about 260 seconds. check all that.
Related Questions
physics - The polar ice caps contain about 2.76E+19 kg of ice. This mass ...
physics - an ice skater spins about a vertical axis at an angular speed of 15 ...
physics - An ice skater spins about a vertical axis at an angular speed of 15 ...
environmental science - What are some possible effects of climate change ...
Physics - An ice skater, hasa rotational inertia of I = 4 kg m2, and spins at 2 ...
physics - Suppose that you measured the moment of inertia of the system as I = 5...
physics - A uniform brass disk of radius R and mass M with a moment of inertia I...
physics - A diver in midair has an angular velocity of 6.0 rad/s and a moment of...
physics - Assume the Earth is a sphere with its mass evenly distributed ...
chemistry - an 8.5g ice cube is placed into 255g of water. Calculate the temp ...
For Further Reading
