Arock held by a person above the floor, but not dropped, is an example of which of newton's laws? i. the velocity is constant in the absence of a net force. ii. the acceleration of an object is directly proportional to and in the same direction as the net force acting on the object. iii. when one object exerts a force on a second object, the second object exerts an equal force in the opposite direction on the first object.

Which process is represented by the pv diagram? a. the isobaric process b. the isovolumetric process c. the isothermal process d. the adiabatic process

Marcella is a four-year-old girl who is a victim of emotional child abuse. based on the child and family services improvement and innovation act of 2011, which action should the government take for marcella? a. the state should arrest marcella’s abuser. b. the state should find a home for marcella as soon as possible. c. the state should enforce stricter laws in the area where marcella resides. d. the state should provide medical assistance to marcella.

What is the name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source?