Give one advantage of barter trade to people

Some of the advantages of Barter system are: It is a simple system free from the complex problems of the modern monetary system. The problems of international trade, like foreign exchange crisis and adverse balance of payments, do not exist in the barter system.

a. formula: f=ma or f/m=a

10,000n/1,267kg≈7.9m/

b. formula: a= and s=d/t

speed= 394.6/15

s=26.3m/s

a=

a=1.75m/

c. 7.9-1.75=difference of 6.15m/

d. the force that most likely caused this difference is friction forces

the answer is d. amendments.