What is the weight in pounds of a 7.0 kilogram bowling ball on earth surface

To convert a quantity in kilograms to pounds, you simply multiply by 2.2 lb/kg.

(7 kg)(2.2 lb/kg) = 15.4 lb.

wavelength variability is the right one

a charge 3q is at the origin, and a charge −2q is on the positive x axis at x=a. part a where on the x-axis would you place a third charge so it would experience no net electric force? enter an expression for the exact answer, which will involve a square-root sign. (do not enter an approximate decimal answer.)