A rotating flywheel can be used as a method to store energy. If it has 1.0 x 10^6 J of kinetic energy when rotating at 400 rad/s, and if a frictional torque of 4.0 N×m acts on the system, in what interval of time would the flywheel come to rest?​

What are the starting materials for nuclear fission? two small nuclei two large nuclei a neutron and a large nucleus a neutron and a small nucleus

How does an observation about an object differ from an inference about that object

Aphoton is absorbed by an electron that is in the n = 3 state of a hydrogen atom, causing the hydrogen atom to become ionized. very far away from the nucleus, the released electron has a velocity of 750,000 m/s. what was the wavelength of the absorbed photon?