A 55-kg child sits on a 1.1-m radius playground merry-go-round without holding on to the rails. a. Someone pushes tangentially, resulting in a torque of 356 N m. How fast is the merry-go round moving (in m/s)?

The dissociation energy of a molecule is the energy required tobreak apart the molecule into its separate atoms. the dissociationenergy for a particular molecule is 5.48 x 10-18 j.suppose that this energy is provided by a single photon. determinethe (a) wavelength and (b) frequency of the photon

Two polarizers are oriented at 40∘ to each other and plane-polarized light is incident on them. if only 16 percent of the light gets through both of them, what was the initial polarization direction of the incident light?

Explain what happens at the saturation point when adding salt to water at room temperature.