MLB

A)If a freight train can accelerate at 0.050 m/sec^2, how far must it travel to increase its speed from 2.0 to 8.0 m/sec? B) how long will it take the train to accomplish this?

Which is the main role of a griot? A. to organize the family structure B. to preserve cultural traditions C. to tell stories with morals D. to spread Islamic teachings