Aweight with mass =250 gmw=250 g is tied to a piece of thread wrapped around a spool, which is suspended in such a way that it can rotate freely. when the weight is released, it accelerates toward the floor as the thread unwinds. assume that the spool can be treated as a uniform solid cylinder of radius =3.00 cmr=3.00 cm and mass =100 gms=100 g . find the magnitude of the acceleration of the weight as it descends. assume the thread has negligible mass and does not slip or stretch as it unwinds.

The intensity of a polarized electromagnetic wave is 12 w/m^2. part a) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=0∘ with the plane of polarization? part b) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=30∘ with the plane of polarization? part c) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=45∘ with the plane of polarization? part d) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=60∘ with the plane of polarization? part e) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=90∘ with the plane of polarization?

Which two particles are found in the center of an atom

Which of the following are appropriate acceleration units?