1. The problem statement, all variables and given/known data Please see attached image. I'm trying to do part (d), then (e) afterwards. For (d) I can sketch the graph okay, just trying to calculate T now. 2. Relevant equations T= 4k1k2/(k1+k2)2 k = ((2m/ћ)2(E-V))½ 3. The attempt at a solution I tried substituting in k into the equation for T. But k depends on the mass of the particle, which isn't given in the question. So what can I do here? I guess one option is just finding the point on the graph, but that's not really a calculation.