Consider two point charges located on the x axis: one charge, q1 = -11.5nc , is located at x1 = -1.685m ; the second charge, q2 = 40.0nc , is at the origin (x=0.).what is the net force exerted by these two charges on a third charge q3 = 55.0nc placed between q1 and q2 at x3 = -1.195m ?

What is the conversion factor between kg/m^3 and g/m^3. express your experimental values for the densities in kg/m^3.

Asuppose a suitcase has a mass of (m) 30 kg and a net force (n) of 10 kg*m/s. what is the acceleration rate of the suitcasein m/s? show your work to support your answer.

Modern physics a photon emitted from an excited hydrogen atom has an energy of 3.02 electron volts. which electron energy-level transition would produce this photon? a. n=1 to n=6 b. n=2 to n=6 c. n=6 to n=1 d. n=6 to n=2 i chose b but the correct answer is d can someone tell me why? and what's the difference?