A student studies how an object's mass and speed are related to its kinetic energy. The table shows the results for one part of the investigation.
? Kinetic energy (J)
1 100
2200
3 300
Which two terms are most likely to be used to label the data in the first
column?
A. Mass
O
B. (m/s)
C. (kg)
O
D. Speed

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.