An atom of hydrogen consists of one proton and one electron, which are separated by a distance of 5.3 x 10^-11 m. what is the magnitude of the electric force?

a) 8.2 x 10^-8 n
b) 2.9 x 10^-27 n
c) 3.6 x 10^-47 n
d) 7.7 n

Which statement correctly describes the relationship between frequency and wavelength?

Ametal ball with a mass of 0.028 kg is dropped from rest at a height of 1.0 meters above the ground. assuming the energy in the ball is conserved, how much kinetic energy will the ball have when it is 0.5 meters above the ground?

Which of these statements is true? a. quarks pair with leptons to form protons and neutrons. b. quarks pair with bosons to form photons. c. quarks pair with photons to form protons and neutrons. d. quarks pair with other quarks to form protons and neutrons. e. quarks pair with electrons to form protons.