4 Points
Which of the following describes a velocity vs. time graph that looks like this?
velocity
time
O
O
A. Decreasing velocity
B. Constant, positive acceleration
O
c. Constant velocity
O
D. Zero acceleration

a 20-cm-long, cylindrical graphite (pure carbon) rod is inserted into an oxidizing atmosphere at 1145 k and 1.013 x 105 pa pressure. the oxidizing process is limited by the diffu- sion of oxygen counterflow to the carbon monoxide that is formed on the cylindrical surface.

answer; capital earns interest; entrepreneurship receives a profit or incurs a loss;