You place a 50-mH inductor across an AC generator that has a maximum EMF of 120 V. The inductive reactance () when the frequency is 60 Hz is approximately

Abookcase has a mass of 38 kg and the coefficient of friction between it and the floor is 0.82 what is the maximum force of friction between the bookcase and the floor a 372n b 305n c 412n d 449n

Where is the potential energy throughout the loading, cocking, and releasing of the trebuchet?

If you place a magnet under a clear dish, and sprinkle iron fillings over it, above what part of the magnet will most of the fillings gather