A cart of weight 15.0 N is accelerated across a level surface at 0.15 m/s². What net force acts on the wagon?

Awoman stands a distance d from a loud motor that emits sound uniformly in all directions. the sound intensity at her position is an uncomfortable 2.0×10-3 w/m2. at a distance 2.6 times as far from the motor, what are (a) the sound intensity and (b) the sound intensity level relative to the threshold of hearing?

The mini-refrigerator fire was most likely caused by what type of wiring?

You can decrease the resistance of a length of wire by