1. An object is initially moving at an unknown velocity. It accelerates at a rate of 0.2 m/s2 to a new velocity of 30 m/s in 16 s. What was the initial velocity?

What is a neurotransmitter involved in mood reward, addiction, and motor behaviors?

Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents

The electric potential a distance r from a small charge is proportional to what power of the distance from the charge? a. r^-1 b. r c. r^-2 d. r^2