An initial object of mass m is coasting with speed v on a frictionless horizontal surface. A second object of mass m/2 is dropped vertically on the first one and sticks to it. KE1 is the kinetic energy of the first object before the drop and KE1+2 is the kinetic energy of the two objects after the drop

the force required to move the cart is divided by three or 33.33 n.

dopamine..

"it was found that some people who were taking the drug l-dopa to raise their levels of dopamine were developing schizophrenic-like symptoms supporting research a strength of the dopamine hypothesis is that there are many studies which have shown support for the neurochemical explanation."

i think the answer is tomato juice? not entirely sure though