Researchers condition a flatworm to contract when exposed to light by repeatedly pairing the light with electric shock. The electric shock is a(n) a. primary conditioner. b. conditioned stimulus. c. secondary conditioner. d. unconditioned stimulus.

Aseries circuit consists of a resistor with r = 20 ? , a capacitor with c = 0.01 f, and a decaying battery with e = 300e? 5t. if the initial charge is 0, find the charge as a function of time t

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

The uniform slender bar rests on a smooth horizon- tal surface when a force f is applied normal to the bar at point a. point a is observed to have an initial acceleration aa of 20 m/s2, and the bar has a corre- sponding angular acceleration of 18 rad /s2. deter- mine the distance b.