1. A charge of +2.00 x 10-°C is placed at the origin, and another charge of C is placed at x = 1.5 m. Find the point between these two
charges where a charge of +3.00 x 10°C should be placed so that the
net electric force on it is zero.
+4.00 x 10-9

What distance does a car travel as its speed changes from 0 to 20 m/s in 17 s at constant acceleration?

Which of these has some mechanical energy? a. an atom b. heat inside earth c. a book on a shelf d. the fire from a lit match

A1500 w electric heater is plugged into the outlet of a 120 v circuit that has a 20 a circuit breaker. you plug an electric hair dryer into the same outlet. the hair dryer has power settings of 600 w, 900 w , 1200 w, and 1500 w. you start with the hair dryer on the 600 w setting and increase the power setting until the circuit breaker trips. under what setting does the circuit breaker trip.