Amachine that promises more energy output than input is? ?

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

If the force applied to an object remains constant, is more power needed for the object to move faster ? explain

Mga halaman/punong ornamental na di namumulaklak