A girl weighing 80 kg is standing on a flat surface, the area of each foot is 175 cm ^2. find out the total force and pressure exerted by her on the ground. given g = 10 m/s^2 *

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

Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity

The pressure proportional to the area a- inversely b- directly c- increase d-decrease