What is the mass of an object accelerating at 1.8 m/sec2 to which an unbalanced force of 42 Newtons has been applied?

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

Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle

The plum pudding model of the atom states that ?