A transformer is connected to a 120 volt line with a 140 turn primary coil. If the secondary coil has 220 turns, the potential difference is volts.

Aneutron and a proton combine to form a nucleus. why does the mass of the nucleus differ from the sum of the masses of the individual nucleons?

A1000-kg weather rocket is launched straight up. the rocket motor provides a constant acceleration for 16-s, then the motor stops. the rocket altitude 20-s after launch is 510-m. you can ignore any effects of air resistance. a. what was the rocket’s acceleration during the first 16-s? b. what is the rocket’s speed as it passes through a cloud 5100-m above the ground?

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