Recent content by Jar9284

I have the similar problem as you are except my mass is .6 M_{sun} now when pluggin mine in I get the following equation: R_{2} = \sqrt{\frac{1.99x10^{30}}{(.60 * 1.99x10^{30})} * \frac{131}{2160000} * 6.96x10^{8}} = 70351.8 = 70000 if you do 2 sig figs, but according to mastering physics is...

Homework Statement A turntable of radius 25 cm and rotational inertia 0.0154 kg * m^{2} is spinning freely at 22.0 rpm about its central axis, with a 19.5-g mouse on its outer edge. The mouse walks from the edge to the center. Find (a) the new rotation speed and (b) the work done by the...

Homework Statement You switch a food blender from its high to its low setting; the blade speed drops from 3100 rpm to 1300 rpm in 2.1 s. How many revolutions does it make during this time? Homework Equations \omegai = \frac{3100 rpm * (2 * pi)}{60} = 324.6 rad/sec \omegaf = \frac{1300 rpm...