Recent content by gRACK

Homework Statement mg sin θ/mg cos θ = μ (coefficient of friction) sinθ/cosθ = tanθThe Attempt at a Solution then does μ = tanθ/mg (which is what my teacher said, although I'm not sure i understand) OR is the above equation simplified so that μ = tanθ? :rolleyes: thanks for your help - and any...

hello, I'm doing coursework on using a thermistor as a temperature sensor. For my preliminary readings I had to choose between 3 different thermistors. Is it true that, for example, a 22k thermistor has a resistance of 22kohms at 25 degrees? (my tutor told me this) likewise, a 15k thermistor...