Avery thin layer of gold plating was placed on a metal tray that measures 25.22 cm by 13.22cm. the gold plating increased the mass of the plate by 0.0512 g. calculate the thickness of the plating. the density of gold is 19.31 g/cm ^3

**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z

The energy equivalent of the rest mass of an electron is

Determine the largest intensity w of the uniform loading that can be applied to the frame without causing either the average normal stress or the average shear stress at section b–b to exceed σ=19 mpa and τ=24 mpa, respectively.