Candela was chosen so that the new definition would precisely match the old definition. Although the candela is now defined in terms of the second (an SI base unit) and the watt (a derived SI unit), the candela remains a base unit of the SI system, by definition. If a source emits a known luminous intensity "I" (in candelas) in a well-defined cone, the total luminous flux "Φ" in lumens is given by where "A" is the "radiation angle" of the lamp—the full vertex angle of the emission cone. For example, a lamp that emits 590 cd with a radiation angle
What Does It Take (To Keep a Man Like You Satisfied) Jarvis. The song was released as a single officially in June 1967. "What Does It Take (To Keep a Man Like You Satisfied)" reached a peak of number five on the "Billboard Magazine" Hot Country Singles chart later that year. The single became Davis' first top-ten country hit in three years since 1964's "Gonna Get Along Without You Now" reached number eight. Additionally, "What Does It Take" was Davis' first entry onto the "Billboard" Bubbling Under Hot 100 since 1965, reaching a peak of twenty-one. The song was eventually released onto a studio album of the same name. What Does