Calculate the flux in a 4 pole dynamo with 722 armature conductors generating 500v when running at 1000 rpm. when the armature is (a)lap connected (b) wave connected

In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant

Cathy is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling. cathy and her bicycle have a mass of 75 kg. assuming her bicycle is 100% efficient, what would her speed have to be?

Aheavy piece of hanging sculpture is suspended by a90-cm-long, 5.0 g steel wire. when the wind blows hard, the wire hums at its fundamental frequency of 80hz. what is the mass of the sculpture?