Ahairdryer is plugged into a 110-volt outlet. the hairdryer draws 4 amps of current. how much power (in watts) does the hairdryer consume? how much energy will be used in 5 seconds?

An incident ray through the focal point of a spherical mirror will: reflect through the center of curvature. reflect back through the focal point. reflect parallel to the principle axis. reflect the same direction as the incident ray.

What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?

Looking at this barometer, is the air pressure high or low? what type of weather would you expect? high, bad low, bad high, good low, good