Object A undergoes a head-on collision with Object B. Object A was traveling at 15 m/s and has a mass of 25 kg. Object B has a mass of 20 kg and was also traveling at 15 m/s. If the two objects become locked together, how fast are they moving after the collision?

Afixed electric space heater wired by a cable with an ampacity of 30 a should draw a maximum current of a. 30 a. b. 24 a. c. 15 a. d. 27 a.

Ahowler monkey is the loudest land animal and, under some circumstances, can be heard up to a distance of 4.6 km. assume the acoustic output of a howler to be uniform in all directions and that the threshold of hearing is 1.0 × 10-12 w/m2. what is the acoustic power emitted by the howler

Avoltaic cell converts chemical energy to