Two cars simultaneously collide with a telephone pole. The car moving north exerts a force of 1300 N. The car moving west exerts a force of 2500 N. What is the magnitude of the net force on the telephone pole?

Which type of circuit is becoming more common in residential electrical design and construction? a. hazardous-area circuit b. three-phase circuit c. 480-volt circuit d. communication circuit

Aplane travels 1000 miles in 5 hours .what is the planes average speed?

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples