Final answer:
To calculate the value of f, we must understand the context and specific equations involved. If f is related to forces, we use known values and equations, such as Newton's second law, to determine f. In an example with given mass and acceleration, we could find the net force and then solve for f if it is part of a larger equation.
Step-by-step explanation:
To calculate the value of f, we need more context or specific equations. However, from the information provided, it seems that f is a variable in a physics problem related to forces or possibly optics, given the mention of a product of f multiplied by λ (which could imply wavelength in the context of physics).
In examples involving Newton's second law, f appears to refer to a particular force in the system. For instance, Fnet is the net force on System 2, which equals the mass of the system (m) multiplied by its acceleration (a). If we have that the mass is 19.0 kg and the acceleration is 1.5 m/s2, then:
Fnet = ma
Fnet = 19.0 kg * 1.5 m/s2
Fnet = 28.5 N
If f is given, and we have to calculate Fprof, the equation could be Fprof = Fnet + f.