This version of einstein’s equation is often used directly to find what value?
e = ∆mc2
a. the energy that is released in a nuclear reaction b. the mass defect
c. the mass that is lost in a fusion reaction
d. the potential energy of an object raised to a certain height e. the speed of light

Aproduction line at v. j. sugumaran's machine shop has three stations. the first station can process a unit in 7 minutes. the second station has two identical machines, each of which can process a unit in 16 minutes (each unit only needs to be processed on one of the two machines). the third station can process a unit in 10 minutes. ▼ is the bottleneck station, with a bottleneck time of nothing minutes per unit (enter your response as a whole number).