Communication is the transmission of messages to large audiences. interpersonal, public, formal, intrapersonal, or mass

MASS is your answer because mass media is for large groups of people to receive the current trends and news they are following

mass communication is for people to communicate with others on a larger scale

ek = (m.v2) / 2

v - velocity of system after the collision

m = m1 + m2

ek = (m1 + m2) v2/2

ek = (200 + 250) 2,32/2 = 450*5,29/2 = 1190,25 j

by: nicholas dooley