Given: the voltage ratings of branch circuits that supply luminaires or receptacles for cord-and-plug-connected loads of up to 1400 volt-amperes or of less than 1/4 horsepower shall be limited to a maximum rating of 120 volts, nominal, between conductors. what is the maximum current calculated by this limitation

Aboxcar traveling at 12 m/s approaches a string of 5 identical boxcars sitting stationary on the track. the moving boxcar collides and links with the stationary cars and they all move off together along the track. what is the final speed of the cars immediately after the collision? (you may take the mass of each boxcar to be 18,537 kg.)

What is the primary force that suspension bridges use cables to hold their spans up? a. tension force b. resistance force c. normal force d. elastic force e. applied force

How to tell if a molecule is polar or nonpolar with electronegativity