What is the force of gravity between the proton and electron…

What is the force of gravity between the proton and electron in a hydrogen atom, given that G = 6.67 × 10–11 N m2/kg2, mass of a proton = 1.67 × 10–27 kg, mass of an electron = 9.1 × 10–31 kg, and average radius of the electron’s orbit in the hydrogen atom = 0.0529 nm?

Tobias Company has 20,000 shares of $100 par, 2% cumulative…

Tobias Company has 20,000 shares of $100 par, 2% cumulative preferred stock and 100,000 shares of $50 par common The following amounts were distributed as dividends:   Year 1: $10,000 Year 2: $45,000 Year 3: $90,000 Determine Tobias’ the dividends in arrears for preferred stock for the second year.