It takes 2.70s for a small ball with a mass of 0.10 kg released from rest from a tall building to reach the ground. Ignoring air resistance, calculate the height from which the ball is released. What formula is used for this?

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

The plum pudding model of the atom states that ?

Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.