If the primary coil of a transformer has 200 turns and is supplied with 120 v ac power, how many turns must the secondary coil have to provide 12 v ac power?

What are the three ways that an object can accelerate

Hydrogen and helium are both members of?

Awoman holds a book by placing it between her hands such that she presses at right angles to the front and back covers. the book has a mass of m = 1.8 kg and the coefficient of static friction between her hand and the book is μs = 0.67. no attempt 50% part (a) what is the weight of the book, fgb in newtons?