Answer:
11.1m/s to the right
Step-by-step explanation:
Momentum before = momentum after
m₁u₁+m₂u₂=(m₁+m₂)v
1000(20)+800(0)=(1000+800)v
20000 = 1800 v
v= 11.1m/s to the right (to the right because the number is positive)
